Get exclusive volume discounts, bulk pricing updates, and new product alerts delivered directly to your inbox.
By subscribing, you agree to our Terms of Service and Privacy Policy.
Direct access to our certified experts
Get exclusive volume discounts, bulk pricing updates, and new product alerts delivered directly to your inbox.
By subscribing, you agree to our Terms of Service and Privacy Policy.
Direct access to our certified experts

Measurement ranges:
+ CO2: 0–2000 ppm / 400–2000 ppm (selectable via jumper)
Communication: RS-485 Modbus (RTU)
Accuracy:
+ CO₂: ±40 ppm + 3 % of reading (typical), additional ±60 ppm for first weeks
Measuring elements:
+ CO2: Non-dispersive infrared (NDIR)
Measuring units:
+ CO2: ppm
Calibration (CO2): Automatic self-calibration, ABC LogicTM
Supply voltage: 24 VDC/VAC ±10 %
Output signal 1–4: 0...10 V (optional 2...10 V / 0...5 V, display or configuration tool required); Optional 4...20 mA
Linear to selected measurement (CO2, VOC, PM, rH or Temp)
Operating temperature: 0...50 °C
Protection standard: IP20
Noted:
CO2 = Carbon dioxide sensor
A = mA output