Measurement ranges:
CO2: 400–2000 ppm
Temperature: 0…50 °C
Relative humidity: 0–90 %
Accuracy:
CO2: ±40 ppm + 2 % of reading, DC model: 75 ppm or 10 % of reading (whichever is greater)
Temperature: <0.5 ºC
Relative humidity: ±4 % max @0…50 °C and 0–90 % rH
Total error band includes accuracy, hysteresis and temperature effect over 5…50 °C and 10–90% rH.
Media compatibility:
Dry air or non-aggressive gases
Measuring units:
ppm, °C and % rH
Measuring element:
CO2: Non-dispersive infrared (NDIR)
Temperature: Pt1000
Relative humidity: Thermoset polymer capacitive sensing element
Environment:
Operating temperature: 0…50 °C
Storage temperature: -20…70 °C
Humidity: 0 to 95 % rH, non condensing
Dimensions:
Case: 99 x 90 x 32 mm
Weight:
150 g
Mounting:
3 screw holes slotted, 3.8 mm
Materials:
Case: ABS
Protection standard:
IP20
Display (Optional):
Touchscreen
Size: 77.4 x 52.4 mm
Electrical connections:
Power supply: 5-screw terminal block, (24 V, GND, CO2, rH, T), 12–24 AWG (0.2–1.5 mm2)
Relay out: 3-screw terminal block, (NC, COM, NO), 12–24 AWG (0.2–1.5 mm2)
Input:
24 VAC or VDC, ±10 %
Current consumption:
max 90 mA (at 24 V) + 10 mA for each voltage output or 20 mA for each current output
CO2 output signal:
0–10 V, R>1 kΩ
2–10 V, R>1 kΩ
4–20 mA, R<500 Ω
Temperature output signal:
0–10 V, R>1 kΩ
2–10 V, R>1 kΩ
4–20 mA, R<500 Ω
Relative humidity output signal:
0–10 V, R>1 kΩ
2–10 V, R>1 kΩ
4–20 mA, R<500 Ω
Relay out:
SPDT Relay, 250 VAC / 30 VDC / 6 A
Conformance:
Meets requirements for CE marking:
EMC Directive: 2014/30/EU
RoHS Directive: 2002/95/EC
WEEE Directive: 2012/19/EU