Description
Accuracy: | CO2: ±40 ppm + 2 % of reading, DC model: 75 ppm or 10 % of reading (whichever is greater) Temperature: <0.5 °C Relative humidity: ±2…3 % rH at 0…50 °C and 10…90 % rH Total error band includes accuracy, hysteresis and temperature effect over 5…50 °C and 10–90 % rH |
Measurement elements: | Pt1000 temperature sensor, Non Dispersive Infrared (NDIR) CO2 sensor, thermoset polymer capacitive sensing element for humidity |
Measuring units: | ppm, °C, % rH |
Calibration: | Automatic self-calibration, ABC LogicTM or continuous comparison (DC) |
Supply voltage: | 24 VDC/VAC ±10 % |
Current consumption: | max 90 mA (at 24 V) + 10 mA for each voltage output or 20 mA for each current output |
Output signal 1: | 0/2…10 V (linear to CO2), L min 1 kΩ or 4…20 mA (linear to CO2), L max 500 Ω |
Output signal 2: | 0/2…10 V (linear to rH), L min 1 kΩ or 4…20 mA (linear to rH), L max 500 Ω |
Output signal 3: | 0/2…10 V (linear to Temp), L min 1 kΩ or 4…20 mA (linear to Temp), L max 500 Ω |
Optional relay output: | Potential free SPDT 250 VAC, 6 A / 30 VDC, 6 A with adjustable switching point and hysteresis |
Operating temperature: | 0…+50°C |
Protection standard: | IP20 |