Temperature, humidity, CO2 level sensor with two output relays.
Green LED shines - CO2 concentration 0 to 1000 ppm
Yellow LED shines - CO2 concentration 1001 to 1200 ppm
Red LED shines - CO2 concentration 1201 ppm and more
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CodeH6420
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Warranty3 years
TECHNICAL DATA
MEASURED VALUE
TemperatureRelative humidityCounted values (dew point…)CO2TEMPERATURE SENSOR
Measuring range -30 to +80 °CAccuracy ±0.4 °CResolution 0.1 °CHUMIDITY SENSOR
Measuring range 0 to 100 % RHAccuracy ±2.5 % RH from 5 to 95 % at 23 °CResolution 0.1% RHDEW POINT
Measuring range -60 to +80 °CAccuracy ±1.5 °C at ambient temperature T <25 °C and RH >30 %Resolution 0.1 °CCO2 SENSOR
Measuring range 0 to 2000 ppmAccuracy ±(50ppm +2% from reading) at 25°C and 1013hPaResolution 1 ppmRELAY OUTPUTS
Quantity 2Maximal voltage 50 VMaximal current 2 AMaximal power 60 VAGENERAL TECHNICAL DATA
Operating temperature -30 to +60 °CChannels internal temperature, humidity and CO2 sensorCounted values dew point, absolute humidity, specific humidity, mixing ratio, specific enthalpyAcoustic alarm from built-in beeper - switchableOutput RS485Range of humidity sensor temperature compensation all temperature rangeAvailable temperature units degrees Celsius, degrees FahrenheitCommunication protocol ModBus RTU and Advantech ADAM compatible protocolPower 9-30 VdcProtection class IP30 electronics; IP40 sensorsDimensions 136 x 213 x 45 mm; stem length 75mmWeight approx. 360 gWarranty 3 years
US 7510 
GB 7091 
AU 6596 
CA 6588 
IE 4734 
NZ 3940 
BR 1124 
CN 961 
