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Digital Light Meter
The meter is fully cosine corrected for the angular incidence of light, meaning that if you are not holding the sensor perfectly perpendicular to the light source, the sensor will still read the light correctly. The sensor is stable and made of a long-life silicon photo diode. The digital light meter accurately measures to 432,000 Lux. The meter’s built-in low battery indicator means you’ll never be caught by surprise by a low-power product. It measures g..
£52.95
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Analogue Light Meter
The ActiveEye Analogue Light Meter is a simple to use, no fuss, no frills meter that helps you to ensure that your crop is getting the required light levels. It needs no batteries and will never require calibrating. It has a three stage measurement range in order to deliver reliable readings. As a general rule, the three settings are suitable for the following: X1 = low light or shade loving plants/fluorescent lighting systems, X10 = general sunlight and X..
£23.95
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Light Meter
This light meter is ideal for both the professional and hobbyist. The unit allows the user to monitor light intensity and levels in a variety of applications... The best way to use a tester is to measure the light levels when installing new lamps or lighting and then measure the light intensity thereafter on a regular basis until the lamps require replacing. The light meter measures both Lux or foot-candles (FC) over the range of 0 to 30000 Lux. The corr..
£71.95
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Horti LITECheck Meter
Lack of adequate light is a common cause of plants turning yellow and having poor growth. Supplementary electrical lighting is the easiest way to provide enough light for your plants. As artificial lighting will degrade in intensity with time, it is essential to measure with a LiteCheck meter at regular intervals to tell if replacement is required. • Check for dark spots • Check for lumen drop off from old bulbs..
£71.95
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Trident pH-EC-CF-Temp Meter
Essential Trident - pH, EC/CF and Temp Meter - Highly accurate, professional all-in-one meter for easy nutrient control The all-in-one conductivity, pH and temperature meter is designed to make nutrient measurement quick and easy. It can be used as a stirrer and makes it easier to take readings in deep tanks. Accurate and rapid conductivity, pH and temperature measurement - Nutrient strength in EC, CF or PPM - Easy push button calibration - Auto turn-off..
£4.95
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EC-Shake
No batteries means a 100% moisture proof design which stops liquid getting into the circuitry and allows for a greater overall lifespan. A couple of shakes and you're away! • No Calibration Required • No Batteries Required • Auto Temperature Calibration • Fully Waterproof • Provided with EC Scale • 5 Years Warranty..
£66.95
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NutraWand CF Truncheon
Give the NZ CF Truncheon a run for its money! Reliable, accurate and waterproof...
£66.95
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Bluelab Truncheon Nutrient Meter
It is essential when growing with a hydroponic solution to KNOW what the strength of the solution is before feeding your plants AND while they are growing. This is easy if you use the Bluelab Truncheon® Nutrient Meter! To take a reading of your solution -simply place the probe head into the solution for 1-2 minutes to reach the same temperature of your nutrient. The reading is indicated by the flashing lights. Calibration of the Meter is not required. ..
£96.95
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HortiStick Nutrient Tester - 3in1 pH EC & Temperature
The new HortiStick is a three-in-one instrument that combines the measurement of pH, conductivity (mS) and temperature. The unit simultaneously displays nutrient concentration along with either pH or temperature. This simple, easy to use meter is ideal for the testing of hydroponic solutions and water treatment processes. The instrument features two clear LCD displays and indicates pH and temperature over the range of 0 to 14 pH and 0 to 49.9 °C. The Hor..
£148.95
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Water Proof pH Meter
Fully water proof meters shown above, definitely worth the extra initial outlay...
£66.95
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Water Proof CF Meter
Fully water proof meters shown above, definitely worth the extra initial outlay...
£66.95
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pH PAL Plus pH Tester
The pH PAL Plus tester is a user-friendly and simple to use pH meter that incorporates an automatic calibration feature. At the touch of a button, the instrument will automatically re-calibrate itself when used in conjunction with a 7.00 pH buffer solution. The pH PAL Plus is housed in a water resistant case and features an easy to read 8 mm LCD display indicating pH over the range of 0 to 14 pH with a resolution of 0.1 pH and an accuracy of ±0.2 pH. Thi..
£66.95
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HortiCare Nutrient Tester
The HortiCare nutrient tester is designed to test the levels of nutrient concentrations in solutions that feed plant roots. The unit will test the levels of other essential mineral elements in soluble form. This simple to use instrument is housed in a water resistant case, suitable for everyday use and features an easy to read 8mm LCD display. The unit measures EC (mS), cF or TDS (ppm) at the switch of a button. The HortiCare nutrient tester incorporates..
£77.95
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pH Water and Drop Resistent Meter
The Essentials pH meter is truly the most rugged glass type pH tester around. It is water and drop resistant. Easy to use, just dip the sensor into test solution, stir and wait. The unit will deliver a stable reading in about 20 seconds...
£48.95
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EC Water and Drop Resistent Meter
The Essentials EC meter gives direct accurate readings of nutrient solution and is very helpful in mixing nutrient concentrate with water. All readings are automatically temperature compensated. Easy to use, just dip the sensor into test solution, stir and wait. The unit will deliver a stable reading in about 20 seconds...
£49.95
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EC Pro Waterproof and Drop Proof Meter
The ESSENTIALS pH Pro & EC Pro meters are professional quality, reliable and available with replacement probes. They have a large screen to view results and are very easy to use. They have screw calibration and come with a built in small screw driver. A feature that many customers have been asking us for. The meters have a lifespan of about 1 to 3 years depending on rate of sampling. (Units are good for 365 accurate tests.) These meters are some of t..
£4.95
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EC-3 Value EC and Temperature Meter
Advanced microprocessor for fast efficient readings. Hold Function: saves measurements for convenient reading and recording. Built-in digital thermometer. Fantastic value! Advanced microprocessor for fast efficient readings Hold Function: saves measurements for convenient reading and recording Auto-off function: the meter shuts off after 10 minutes of non-use to conserve batteries Built-in digital thermometer Comes with carry case 3 ..
£31.95
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EP-2 Upscale EC and Temperature Meter
Advanced microprocessor for fast efficient readings. Hold Function: saves measurements for convenient reading and recording. Built-in digital thermometer. Fantastic value! Advanced microprocessor for fast efficient readings Hold Function: saves measurements for convenient reading and recording Auto-off function: the meter shuts off after 10 minutes of non-use to conserve batteries Built-in digital thermometer Comes with carry case 3 ..
£50.95
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COM-80 EC Meter
A reliable, long lasting EC meter purposely designed for the UK hydroponics market. Reads in mS, ppt, as well as uS and ppm. A reliable, long lasting EC meter purposely designed for the UK hydroponics market Reads in mS, ppt, as well as uS and ppm Best value in its class Accurately measures Electrical Conductivity (EC), TDS and temperature Water resistant housing Hold button and auto shut-off Digital calibration (push button)..
£58.95
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COM-100 High End Combo EC and Temperature Meter
Measures EC, TDS and temperature. Three different non-linear EC-to-TDS conversion factors (KCl, 442TM, NaCl). Automatic temperature control (ATC) using three temperature co-efficiencies. High-end EC meter Three different non-linear EC-to-TDS conversion factors (KCl, 442TM, NaCl) Automatic temperature control (ATC) using three temperature co-efficiencies Digital calibration (push button) to any point within the meter’s range Auto-off functi..
£82.95
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PH-80 PH/Temp Meter - Value pH Meter
Measures EC, TDS and temperature. Three different non-linear EC-to-TDS conversion factors (KCl, 442TM, NaCl). Automatic temperature control (ATC) using three temperature co-efficiencies. High-end EC meter Three different non-linear EC-to-TDS conversion factors (KCl, 442TM, NaCl) Automatic temperature control (ATC) using three temperature co-efficiencies Digital calibration (push button) to any point within the meter’s range Auto-off functi..
£63.95
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PH-200 - High End Waterproof pH/ Temp Meter
Automatic Calibration: Auto-ranging to 4, 7 or 10 pH by push button digital calibration.Includes a 7.0 pH buffer powder packet and a dropper of KCI electrode storage solution. High-end PH meter Resolution: pH: 0.01 pH, 0.00 – 14.0 pH Accurate to +/- 0.02 pH Automatic Calibration: Auto-ranging to 4, 7 or 10 pH by push button digital calibration Low battery indicator Replaceable probe Clear cap to notice moisture(or lack of) on probe Glass encased ..
£111.95
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Bluelab pH Pen
The ultimate handy solution for measuring pH! Plants get their nutrition from minerals but they can only get all the right minerals they need if certain conditions are right. A key factor that affects food uptake is whether your solution is acid or alkaline. We measure this in pH. The Bluelab pH Pen is the latest innovation for hand held meters. It provides a compact quick and handy way to manage the success of your crops to ensure maximum uptake of nut..
£92.95
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Bluelab EC Pen
The ultimate handy solution for measuring conductivity! The Bluelab EC Pen is the latest innovation for hand held conductivity meters. It provides a compact, quick and handy way to manage the success of your crops. The Bluelab EC Pen simply tells you that your plants have the right amount of nutrient in your solution and lets you know if adjustments are needed. Display options available in °C, °F, EC, CF, ppm 500 and ppm 700. Teamed with our Bluelab pH ..
£71.95
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8000 pH Meter & Interchangable Electrode
The 8000 pH meter features an easy to read, LCD display and is supplied with a general purpose combination glass electrode. The 8000 pH meter indicates pH over the range of 0 to 14 pH with a resolution of 0.01 pH and an accuracy of ±0.05 pH. The pH readings are manually temperature compensated over the range of 0 to 60 °C (default 25 °C). The unit will power off automatically after ten minutes, maximising battery life. At the touch of a button, the inst..
£88.95
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8100 pH and Temperature Meter Kit
The 8100 pH and temperature meter features an easy to read, LCD display and is supplied as a kit which includes a 8100 pH meter, general purpose combination glass electrode, temperature probe, 4.01 and 7.00 pH buffer solutions and carrying case. The 8100 pH meter indicates pH over the range of 0 to 14 pH with a resolution of 0.01 pH and temperature over the range of 0 to 99.9 °C with a resolution of 0.1 °C. The pH readings are automatically temperature co..
£178.95
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Bluelab pH Meter
When measuring the pH of a solution is important… reach for the Bluelab pH Meter. The Bluelab pH Meter is used to accurately measure the pH value of a solution. Simply place the Bluelab pH probe into the solution and the reading will be displayed on the screen. As the meter is portable and does not need a power supply to operate, it can be used anywhere and anytime to help you manage your crops’ daily nutrient requirements. Calibrati..
£247.95
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Bluelab Combo Meter
It’s all you need for simple and reliable crop management and it’s all within arm’s reach! The Bluelab Combo Meter is a pH, conductivity and temperature meter all in one. The Bluelab pH Probe and the Bluelab Conductivity/Temperature Probe are simply placed into the solution and the selected reading is displayed on screen. As the Bluelab Combo Meter is portable and does not require a power supply to operate, it can be used anytime and..
£250.95
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Soil pH Meter
If you need to measure the pH level of soil, media or substrates, then the Bluelab Soil pH Meter is just what you need. This hand-held meter comes with a Soil pH Probe, Dibber/Auger, pH4.0 and pH 7.0 calibration solutions, plus a helpful Quick Start guide. Make a hole in the media using the dibber to ensure it is free from coarse particles. Place the soil pH probe into the hole for a direct pH measurement. Soil pH can also be measured by taking soil solut..
£175.95
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Infra Red Thermometer
This outrageous product measure the surface temperate of anything you point it. This gizmo will tell you the temperatures of the differing parts of you grow room i.e., the canopy of your plants, the roots and even the water temperature allowing fine tuning of your room like never before...
£48.95
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Digital Min Max Thermometer
Digital Min Max Thermometer / Hygrometer And Water Temperature Probe With Clock This instrument digitally monitors the min / max temperature and humidity of the growroom. It has an external probe that can measure the min/max temperature of the water tank and has a built in clock...
£49.95
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Soil Thermometer
This soil thermometer or soil probe thermometer is suitable for measuring the temperature of soil, compost or similar, ideal for the horticulturist or keen gardener. The ETI soil probe thermometer measures temperature over the range of 0 to 80°C in 1°C increments. The soil thermometer is housed in a strong plastic case with a pointed tip, the dimensions of the case are 13mm x 320mm...
£11.95
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Spirit-Filled Room Thermometer
Room Thermometer - This wall-mounted room thermometer is spirit filled and is ideal for the home, conservatory, office or factory. The room thermometer displays temperature over the range of -30 to 50°C with an accuracy of ±1°C. Housed in a white ABS plastic case, with a clear, easy to read scale it provides a simple and cost-effective means of measuring temperature in any room. The thermometer's dimensions are 45 x 195mm...
£4.95
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Large Max/Min Thermometer
Max min bi-metal dial thermometer that indicates the actual, max and min temperatures over the range of -50 to 50°C with an accuracy of ±1°C. The easy to read dial on the max min thermometer can be reset by rotating the central knob. This max min thermometer is ideal as a garden thermometer or conservatory thermometer. It is housed in a wite ABS case and the dimensions are 25 x 95 x 122mm. It can be shelf mounted or wall mounted via the keyhole slot pro..
£7.95
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Digital Max/Min Thermometer
This therma-hygrometer simultaneously displays both the humidity and temperature in addition to indicating and recording the maximum and minimum readings. Utilising the internal sensor the instrument measures temperature over the range of 0 to 49.9 °C. The external remote probe with integrated three meter lead measures both temperature and humidity over the range of -49.9 to 69.9 °C and 20 to 98 %rh. The unit features a temperature alert alarm that will s..
£16.95
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Max/Min Thermometer with Internal Sensor
This max/min, classic design thermometer simultaneously displays the actual temperature whilst displaying the max and min temperatures on a digital LCD bar graph. The thermometer measures temperature over the range of -40 to 40 °C with a resolution of 0.1 °C/°F and an accuracy of ±1 °C. To switch the current reading between °C and °F simply press the button on the side of the unit. To reset the recorded max and min temperatures simply press the red 'cle..
£9.95
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Budget Therma-Hygrometer
This Therma-Hygrometer simultaneously displays both the humidity and temperature in addition to indicating and recording the maximum and minimum temperature and humidity readings. The hygrometer measures both humidity and temperature over the range of 0 to 50 °C and 10 to 99%rh utilising the internal sensors. This thermo-hygrometer is ideal for monitoring both temperature and humidity in rooms, offices, factories and similar to ensure optimum working con..
£16.95
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Therma-Hygrometer - Internal & External
This Therma-Hygrometer simultaneously displays both the humidity and temperature in addition to indicating and recording the maximum and minimum readings. Utilising the internal sensor the instrument measures temperature over the range of 0 to 50 °C. The external remote probe with integrated three metre lead measures both temperature and humidity over the range of -20 to 70 °C and 10 to 99 %rh. This therma-hygrometer is ideal for monitoring both tempera..
£22.95
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Therma-Hygrometer with Max/Min & Alarm by ETI
This therma-hygrometer simultaneously displays both the humidity and temperature in addition to indicating and recording the maximum and minimum readings. Utilising the internal sensor the instrument measures temperature over the range of 0 to 49.9 °C. The external remote probe with integrated three meter lead measures both temperature and humidity over the range of -49.9 to 69.9 °C and 20 to 98 %rh. The unit features a temperature alert alarm that will s..
£27.95
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Therma-Hygrometer Thermometer
The British Made low cost 6500 therma-hygrometer measures both relative humidity and air temperature. The instrument displays %rh over the range of 0 to 100%rh with a resolution of 0.1 %rh and temperature over the range of -20 to 70 °C with a resolution of 0.1 °C. The therma-hygrometer incorporates a clear custom LCD with °C, %rh, max/min, hold and dew point indication. An auto power-off facility turns the instrument off after 10 minutes non-use. The 650..
£88.95
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Therma-Hygrometer Thermometer
Pocket Hygrometer thermometer - The Hygro-Thermo hygrometer thermometer is pen-shaped and incorporates a large, clear LCD that simultaneously displays both humidity and temperature over the range of 20 to 95% RH and 0 to 49.9°C. This pocket hygrometer is ideal for monitoring the humidity and temperature in a wide range of applications. Unlike many hygrometers that are large and heavy to carry around, this compact hygrometer and thermometer is truly pocket..
£22.95
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Moisture Alert Thermo-Hygrometer
The Moisture Alert therma-hygrometer incorporates a custom LCD display that indicates either humidity (20 to 95% RH) or temperature (0 to 49.9°C). The MoistureAlert hygrometer thermometer is ideal for monitoring the humidity in buildings and housing or anywhere where humidity, moisture or dampness is a problem. The Moisture Alert incorporates a pre-set audible max/ min alarm for both humidity and temperature. The alert will automatically sound if the humi..
£22.95
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Thermo-Hygrometer Max/Min & Alarm Function
Hygrometer & thermometer combined or thermo hygrometer, the thermo hygrometer simultaneously displays both the humidity and temperature in addition to indicating and recording the maximum and minimum readings. This thermo hygrometer measures both humidity and temperature over the range of 0 to 49.9°C and 20 to 99%rh utilising the internal sensors. Utilising the external temperature sensor the temperature range is extended to -49.9 to 69.9°C. The..
£22.95
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Thermo-Hygrometer for Panel Mounting
Thermo hygrometer for panel mounting displays simultaneously both humidity over the range of 20 to 99%rh and temperature over the range of 0 to 49.9°C with a resolution of 1%rh and 0.1°C. This thermo hygrometer is ideal for OEMs for installing into equipment, i.e. vivariums, egg hatcheries and similar. The thermo hygrometer is easily installed into a panel via a Ø33mm mounting hole. The thermo hygrometer incorporates a screw clamp with a maximum panel t..
£17.95
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CO2 Combined Regulator/Flowmeter - CO2 Kit
The CO2 Combined Regulator/Flowmeter - CO2 Kit is a high quality CO2 spare part...
£98.95
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Waterproof pH55 Pen
Easy to use entry level pH pen. Reads both pH & temperature. The 'easy read' large display and reading hold button make this a great product for beginners. Complete with battery...
£79.95
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Portable pH Meter MW100
Entry level pH meter, with large easy read digital display. Complete with manual temperature adjustment and 9V battery...
£172.95
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Waterproof EC60 Pen
Easy to use entry level EC pen. Reads both EC and temperature. The 'easy read' large display and reading hold button make this a great product for beginners. Complete with battery...
£79.95
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Portable EC Meter MW302
Entry level EC meter, with large easy read digital display. Complete with automatic temperature adjustment and 9V battery...
£172.95
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Light Meter (Luxometer)
Easy to use light meter to check the effectiveness of lighting. Measures up to 200,000 lux. High precision and quality at an affordable price. Product features: Spectral response in line with international standards CIE Lighting Association. Measure range: 0,1 to 50.000 Lux. Reference lecture up to 200.000 Lux. Resolution up to 0,1 Lux. High accuracy, fast response. 10 minutes automatic power off. Large LCD screen. High precision and quality at..
£108.95
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Digital 2 Way Thermometer/Min Max Meter
Nutrient temperature measurement is via a thin waterproof probe. The Min/Max memory records the highest and lowest temperature values. Can display in °F or °C...
£9.95
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Digital Min-Max Thermo Hygrometer
At the push of a button, it will display the highest and lowest values recorded since the unit was last reset. Can display in °F or °C...
£9.95
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Meter Store - 30ml (including meter sponge)
It's difficult to exaggerate the importance of maintenance and storage solutions. Expensive equipment is often utilised well below its full capabilities due to lack of proper maintenance of sensors. pH probes should always remain in Meter Store when not in use to prevent the probe from drying out. With Essentials Meter Store, keeping pH probes in tip top condition is no longer a problem. Includes probe foam to cut to the size of your meter cap to assist in..
£4.95
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Replacement Probe for ESSENTIALS EC Pro Meter
Probes are replaceable so when your pH probe starts to go and your readings become erratic, don't go to the expense of buying a new meter, simply buy a replacement probe!..
£43.95
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Soil pH & Temperature Pen
The ultimate handy solution for measuring soil pH and temperature! The Bluelab Soil pH Pen provides a pH and temperature reading of soils and media, so you know that the right nutrients will be made available to your plants. In soils or growing media, pH strongly influences the availability of the microorganisms to plants in the soil. Now you can closely monitor and adjust the pH levels to optimize plant health and performance. It will also ..
£149.95
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Mini RayTemp Infrared Thermometer
The Mini RayTemp® infrared thermometer is a compact, lightweight and low cost infrared thermometer. Simply aim and pull the trigger to display the temperature of the item being measured. The Mini RayTemp® measures temperature over the range of -50 to 330°C with an assured accuracy of ±2°C over the range of 0 to 330°C, outside of this range (-50 to 0°C) accuracy is ±4°C. This infrared thermometer has a clear, easy to read, LCD display with low battery, an..
£49.95
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ETI Raytemp 6 - Infrared Thermometer with 9 Dot Laser
The new RayTemp 6 infrared thermometer is a compact, durable and easy to use instrument, simply aim and pull the trigger to display the temperature of the item being measured. Each thermometer incorporates an eight dot circle laser indicator, which allows you to precisely target the diameter of the area to be measured. As you move closer or further from the target the laser circle changes diameter. The unit incorporates an 12:1 optic ratio (target distanc..
£77.95
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MW802 pH & Conductivity Combination Meter
3 meters in 1! This meter allows you to measure pH, EC (conductivity) and TDS with just one instrument and one single probe! The MW802, with a conductivity range that goes up to 6.00 mS/cm and the TDS up to 4000 ppm is ideal for testing in crop production. Soil and well water pH that is too acidic or alkaline can have an adverse effect on plant nutrient and water uptake and directly effect the efficiency of fertilizer, herbicides and pesticides. Soil Cond..
£363.95
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Lux Meter MW700
The MW700 is a portable Lux meter designed to perform light measurements. The MW700 is supplied with a light sensor connected to the meter that measures from 0 to 50000 Lux. Average indoor lighting ranges from 100 to 1000 Lux and average outdoor sun lights about 50000 Lux. Lux is a unit that indicates the density of light that falls on a surface. Range 0.000 to 1999 Lux 2000 to 19999 Lux 20000 to 50000 Lux Range..
£198.95
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Budget EC Meter
Budget EC meter for measuring the conductivity in the nutrient solution. A Budget pH meter is also available here...
£38.95
Ex Tax:-1-228x228.jpg "Hanna Groline pH/EC/TDS/Temperature Meter HI-9814")
Hanna Groline pH/EC/TDS/Temperature Meter HI-9814
The HI-9814 is a lightweight, waterproof portable pH, conductivity, TDS and temperature meter supplied with a specialist multiparameter probe designed for hydroponics, greenhouse and agricultural applications. Key features Compact, robust casing Simultaneous readout of pH, EC or TDS and °C Simple two button keyboard Waterproof design to withstand the humidity of a growing environment Specialist multi-parameter electrode Optional green protective r..
£321.95
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Bluelab Multimedia Meter & Leap pH Probe
The pH level of solutions, soils, substrates, media and nutrient solutions strongly influences crop performance. Do you know what the pH of your root zone is? Fast, accurate pH measurement in nutrient solution and root-zone from the palm of your hand. Combine the Bluelab® Multimedia pH Meter and Bluelab® LeapTM pH Probe to take fast accurate measurements in nutrient solution, soil, coco coir, rockwool, potting mix and many other media types. Calibration..
£110.95
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SmartBee Handheld Water Content Meter
The SmartBee Handheld Water Content Meter (WCM) is an independently operated device to spot check the water content of various mediums to develop the most effective irrigation strategy. This assists the hydroponics grower to control their dry-down. The handheld WCM is not wireless, it delivers immediate data to the grower. The SmartBee Handheld Water Content Meter has a versatile readout and delivers 1% resolution and 2% accuracy. The SmartBee Handheld W..
£518.95
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Bluelab Pulse Meter
Direct to Mobile 3 in 1 root zone measurements: Moisture, Nutrient & Temperature Quickly and consistently measure moisture, nutrient (measured in conductivity) and temperature directly in the root zone without the need for pour-throughs, slurries or extractions. Pulse connects directly to your smartphone via the Pulse app for automated data collection, measurement comparison, storage and exporting. Works across a wide range of growing media includin..
£337.95
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UPRtek PAR200 Par Meter
The ideal tool for measurements of light which stimulates plant growth is our PAR200 Quantum Spectrometer which works in the PAR spectra and expresses PPFD values in μmol/m2/s and PPF in μmol/s. The PAR200 is enriched with a high resolution and extended spectral range. To be able to analyze, compare and report all the data straight from your smartphone or uSpectrum laboratory grade PC software. The Spectrometer: Compact design that fits in your pocket ..
£2,187.95
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Trolmaster (MBS-PAR) Full Spectrum Quantum Sensor
PAR Sensor for Your Grow Environment Used in conjunction with Hydro-X the Full Spectrum Quantum Sensor (MBS-PAR) provides accurate and cost-effective measurement of photosynthetically active radiation (PAR) from all light sources used to grow plants. The full-spectrum quantum sensor has a spectral range of 389 to 692 nm ± 5 nm. The improved spectral response increases the accuracy of LED measurements. Used in conjunction with the Hydro-X controller, the ..
£714.95
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Digital Series Min Max Thermometer & Hygrometer
Monitor growing environments with the Digital Series Min/Max Thermometer Hygrometer. Large display shows both temperature and humidity, with Min/Max memory at the touch of a button...
£11.95
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Sun System® PAR Meter with Remote Sensor
Sun System® PAR Meter with remote sensor measures photosynthetically active radiation (PAR). For use with indoor grow lights or outdoors. Simple and easy to use. Compact size with remote sensor. 1 year warranty. Browser not supported: Download PDF..
£769.95
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Triminator Moisture Meter
Get factual moisture content to improve the quality of your trim prior to trimming and monitor moisture loss or gain in your drying and curing process. With Triminator's Moisture Meter, you can take the guess work out of the equation. Ideal moisture content of your flowers when machine trimming with Triminator Dry machines is between 9-10%. Moisture content above 10% will result in a lower trim quality and a smeared, sticky drum. Moisture content below 9%..
£148.95
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Aqua Master Replacement pH Electrode for P700 Pro2 Combo Meter
The Aqua master tools replaceable pH electrode is easy to connect using the BNC connector. Due to the long pH double junction electrode, it has a longer life. Over time, pH electrodes age, even with good care and regular cleaning, the lifespan will be extended. However, over time, reference fluid will become contaminated and the electrode will continue to respond slowly. The gel-filled electrode will then have to be replaced...
£62.95
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Aqua Master Replacement EC, CF, PPM Electrode for P700 Pro2 Combo Meter
The Aqua master tools replaceable EC, CF, PPM electrode is easy to connect using the connector. The electrode cannot be replaced with most conductivity meters because they generally do not break if properly maintained. However, due to aging, lime scale, leakage in the electrode, or cable breakage due to hardened plastic, the electrode can break. That is why the electrode is replaceable with our meter...
£62.95
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Aqua Master P100 pH EC Temp Meter
The updated Combo Pen P100 Pro features a modern and robust housing. The improved software now ensures quicker readings of accurate measurements. You can easily replace the electrode should it be worn or damaged. The Combo Pen P100 Pro is ideal for measuring the EC, pH and temperature of liquid plant nutrition and water in swimming pools, Jacuzzis and ponds. The user-friendly buttons can be used to effortlessly switch between the parameters. The meter is ..
£91.95
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Bluelab Combo Meter Plus
Our best-selling meter paired with the Leap pH Probe for quicker measurements in any substrate. Take care of the fundamentals - Three-in-one portable solution The fundamental parameters of pH, conductivity and temperature all play a pivotal role in driving optimal nutrient uptake. With Bluelab’s Combo Meter Plus, you can measure all these fundamentals in one convenient, portable device. While conductivity indicates the total amount of nutrients in your ..
£306.95
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RayTemp 3 Infrared Thermometer
The RayTemp 3 Infrared Thermometer is compact, lightweight and easy to use. Simply aim and pull the trigger to display the temperature of the item being measured. In addition the LCD will display the maximum temperature. The RayTemp®3 infrared thermometer measures temperature over the range of -60 to 500°C with an assured accuracy of ±1°C over the critical food range of 0 to 65°C, outside of this range ±2% of reading or whichever is greater in an ambient ..
£79.95
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ETI RayTemp 8 Infrared Thermometer
The RayTemp 8 Infrared Thermometer is compact, gun-shaped, lightweight and easy to use. Simply aim, then pull the trigger to display the temperature of the item being measured. The LCD display gives a digital read-out of temperature over the range of -60 to 500°C. This infra-red thermometer has a clear, easy to read, LCD display with low battery indication and incorporates an auto power off facility that turns the instrument off after 60 seconds, maximisi..
£85.95
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RayTemp 28 High Temperature Infrared Thermometer
The RayTemp 28 is a professional infrared, non-contact thermometer with dual laser dot alignment. The thermometer incorporates a 30:1 optic ratio (target distance/diameter ratio), which enables users to measure small targets from a distance or any item that is difficult to reach. The thermometer features a three-button keypad, allowing the user to select the mode required, i.e. max, min, differential or average temperatures, view the max/min and configura..
£171.95
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RayTemp 38 Infrared Thermometer
The RayTemp 38 is a professional infrared, gun-shaped, non-contact thermometer with dual laser dot alignment. The thermometer incorporates a 50:1 optic ratio (target distance/diameter ratio), this enables users to measure small targets from a distance. The user stands a safe and comfortable distance from the target, points the thermometer at the surface to be measured, pulls the trigger and instantly reads the temperature. Ideal for measuring the temperatu..
£244.95
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IR-Pocket Thermometer
The IR-Pocket thermometer is a non-contact infrared thermometer that has an easy to read, LCD display with low battery indication. Simply aim at the target and press the measure button to display the surface temperature instantly. The IR-Pocket indicates temperature over the range of -9.9 to 199.9 °C with an assured accuracy of ±2% of reading or ±2°C whichever is greater. The IR-Pocket thermometer features a two-button keypad, pressing the mode button all..
£25.95
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Grow Gadgets Laser Thermometer
Capable of measuring temperatures between the range of -50°C to 330°C, Grow Gadgets Laser Thermometer is easy to read with its built-in LCD display with low battery and backlight indication. Designed to preserve battery life, the Laser Thermometer also features an auto power-off facility, which turns the tool off after 10 seconds of use...
£21.95
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Garden HighPro Thermo/hygrometer Medium 1.5m Lead
Indoor Thermometer with hygrometer Accuracy 1º C RH 5% Indoor-hygro range 25% RH to 90% Temperature range: 0º - 50º / 32º - 122º F..
£10.95
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Apogee MQ-500: Full-Spectrum Quantum Meter
The MQ-500 quantum meter is the tool of choice for scientists all over the world to accurately measure photosynthetically active radiation from all light sources. It has a hand-held meter, attached via cable, that displays and stores measurements. The sensor incorporates a blue-enhanced silicon photodiode and custom optical filters with a rugged, self-cleaning sensor housing design, anodized aluminum body with acrylic diffuser. Typical applications includ..
£649.95
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VitaLink Meter Store 30ml
Prolong the accuracy and lifespan of the pH probe on your pH meter with VitaLink ESSENTIALS Meter Store. pH meters are expensive. They will all degrade over time, but often degrade faster due to a lack of proper maintenance. With VitaLink ESSENTIALS Meter Store, keeping your pH probe in good condition and prolonging its useful lifespan is no longer a problem. The pH probe on your pH meter should always be stored in VitaLink ESSENTIALS Meter Store when not..
£5.95
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pH Temp meter P50 Pro
The P50 Pro pH temp meter is the latest tool in Aqua Master Tools’ wide range of high quality products. Ideal for measuring pH and temperature of liquid plant nutrition and water in swimming pools, Jacuzzi’s, and ponds. Effortlessly switch between the parameters with the user-friendly buttons. The meter is delivered fully calibrated and includes batteries. How does the meter work? Prior first usage - soak your pH meter in tap water for..
£65.95
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EC Temp meter E50 Pro
The E50 Pro EC temp meter is the latest tool in Aqua Master Tools’ wide range of high quality products. Ideal for measuring EC and temperature of liquid plant nutrition and water in swimming pools, Jacuzzi’s, and ponds. Effortlessly switch between the parameters with the user-friendly buttons. The meter is delivered fully calibrated and includes batteries. How does the meter work? Remove the protective cover. Gently clean the electrod..
£61.95
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Soil/Substrate pH meter S300 Pro 2
The updated Soil/Substrate meter S300 Pro 2 features a modern and robust housing. This digital soil pH/temperature meter can be used to measure the pH and temperature of coconut soil and other moist, soft substrates or liquids. The user-friendly buttons ensure that the meter is extremely easy to operate. The meter is delivered fully calibrated and includes batteries. How does the meter work? Connect the BNC connector of..
£220.95
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Growbitz Truncheon PH Meter
PH Meter / Tester for Fertilizers Nutra-Wand / Truncheon (pH-3385) This pH measuring bar is very quick and easy to use. All the readings can be seen in the meter. You do not need to consult books or manuals. Just enter it into the solution and read the pH value. The 16 LED lamps have a high luminosity and are easy to visualize. How to Use Place the head of the test tube in the solution for 1 or 2 minutes so that the liquid in the bar an..
£64.95
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Essentials Moisture METER - Digital
The Essentials Moisture METER is a necessity for the perfect grow! It allows you to easily measure the level of moisture in the ANY of the consumables you are drying, indicating whether the dried product is ready for storage. It is ideal for testing herbs that are drying, or plants such as tobacco or tea. Avoid Crop Wastage 9V Battery Included..
£33.95
Ex Tax:-228x228.jpg "Digi Min Max Thermometer Hygrometer (With Probe)")
Digi Min Max Thermometer Hygrometer (With Probe)
Monitors temperature & humidity Easy to read digital display Records minimum and maximum Comes with or without probe..
£10.95
Ex Tax:-228x228.jpg "Digi Min Max Thermometer Hygrometer (Without Probe)")
Digi Min Max Thermometer Hygrometer (Without Probe)
Monitors temperature & humidity Easy to read digital display Records minimum and maximum Comes without probe..
£8.95
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Apogee MQ-510 Par Meter
The MQ-510 quantum meter is designed for underwater PAR measurements and already applies the sensor's immersion effect correction factor to the meter readings through firmware. The meter provides excellent measurements under all light sources, including LEDs. The meter consists of a waterproof quantum sensor attached via waterproof cable to a handheld meter. The waterproof sensor incorporates a blue-enhanced silicon photodiode and custom optical filters wi..
£693.95
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Apogee DLI-600 PAR Meter
Apogee's new DLI-600 meter is designed to measure photosynthetically active radiation (PAR) beyond the traditional 400–700 nm range. The DLI-600 measures the newly defined 400-750 nm ePAR radiation range, which has been shown to have extended photosynthetically active properties. In addition to measuring ePAR, the DLI-600 meter calculates daily light integral (DLI) and photoperiod. DLI refers to the total amount of PAR or ePAR incident on a plane in a 24-h..
£682.95
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Apogee DLI-500 PAR Meter
Apogee's new DLI-500 meter is designed to measure photosynthetically active radiation (PAR) 400–700 nm and is accurate under all light sources. If you are looking for a low-cost option that is accurate under sunlight and some broadband light sources see our DLI-400 model. In addition to measuring PAR, the DLI-500 meter calculates daily light integral (DLI) and photoperiod. DLI refers to the total amount of PAR or extended PAR (ePAR) incident on a plane in ..
£649.95
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Garden HighPro Thermo/Hygrometer Premium with Probe
Indoor Thermometer with hygrometer Accuracy 1º C RH 5% Indoor-hygro range 25% RH to 90% Temperature range: 0º - 50º / 32º - 122º F..
£13.95
Ex Tax:-228x228.jpg "Trolmaster (DFM-1) Digital Flow Meter to the Controller for Aqua-X Pro Only")
Trolmaster (DFM-1) Digital Flow Meter to the Controller for Aqua-X Pro Only
The DFM-1 is a 1" digital inline flow meter provides accurate measurements of water or a nutrient solution flowing through a fluid pipe. It is specially designed for the Aqua-X Pro system. When it’s used with the Aqua-X Pro, users can set the irrigation schedule to be controlled “By volume”, and the DFM-1 will measure and allow the desired and precise amount of nutrient solution to be used. The DFM-1 sensor can also be used for future functions and may inc..
£172.95
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Milwaukee Smart Portable pH Meter
The Milwaukee MW100 PRO pH meter features manual calibration and fast operation in a rugged design. The Milwaukee MW100 PRO pH Meter is ideal for users in pools, and hydroponic applications. This meter is also ideal for educators that want their students to learn the basics of pH meter calibration before going fully automatic. Speed The MW100 delivers fast results to ±0.2 pH accuracy with two-point, manual calibration. Toughness This rugged m..
£127.95
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Milwaukee Smart Portable LUX Meter
The MW700 is a portable Lux meter designed to perform light measurements from 0 to 50000 Lux. This handy and ergonomically designed Lux meter is ideal for anyone looking for fast and reliable light measurements. This meter is suitable for a wide range of applications, such as Aquarium and Aquaculture, Hydroponic, Agriculture, Horticulture, and Environmental analysis. The waterproof light sensor is attached to a 1.3 m (4.4′) cable and is suitable to verify..
£131.95
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Milwaukee Smart Portable EC HR Meter with ATC
MW302 is a Portable Conductivity High Range (EC) Meter with Automatic Temperature Compensation. This instrument has been designed to meet the Grower’s need for equipment suited to the aggressive environments found in agricultural and hydroponics applications. It is also a great meter for food, labs, and water treatment applications. EC testing provides a method to optimize chemical applications and minimize operational cost. In agricultural applicat..
£131.95
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Moisture Meter
Get accurate soil moisture readings and confidence when watering your plants. No more overwatering or dry plants – simply check the meter and water when needed. Ideal for houseplants, no batteries required...
£10.95
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Quantum Par Meter
Fully portable handheld PAR meter features our highly accurate, integrated Quantum Sensor that measures PAR (Photosynthetically Active Radiation) flux in wavelengths ranging from 400 to 700 nm. It measures up to 10,000 μmol compared with 2,000 μmol for other meters on the market. Data logging capability using standard mini-USB cable and proprietary data logging software available at hydrofarm.com Low power consumption with built-in low battery power in..
£214.95
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