The HS-2 is ideal to measure the CO2 value, temperature and humidity in an area.

The TechGrow HS-2 Portable CO2 Meter uses NDIR (Non-Dispersive Infra Red) technology to ensure reliable measurements, similar to the CO2 sensor that TechGrow uses for years for all monitoring- and controlling instruments.

The HS-2 features a clear audible alarm that warns when the CO2 value exceeds the set alarm value. Also, the HS-2 features a calibration function to calibrate the CO2 sensor against outdoor air.

Special features:

• Useable in any room.
• Extremely accurate CO2 sensor, produced by SenseAir® Sweden, the leading manufacturer in CO2 measurement.
• The HS-2 measures the CO2 value, temperature and humidity.
• Takes a measurement every second.
• Backlight for working in dark areas.
• CO2 warning alarm.
• Calibration function for CO2.
• Powered by 4 x AA batteries.
• Includes batteries and instruction manual.
• Includes a convenient storage case.