| CO2 Measurement Accuracy | : | ±30 ppm ±3% of measured value |
| CO2 Measurement Range | : | 0 to 2000ppm |
| CO2 Measurement Repeatability | : | ±20 ppm ±1% of measured value |
| CO2 Measurement Resolution | : | 1 ppm |
| CO2 Response Time | : | =75 seconds for 90 degree step change |
| CO2 Sensor Type | : | Dual beam on-dispersive infrared (NDIR), diffusion sampling |
| Color | : | Matte White |
| Electrical Wiring Size | : | Screw terminals, 18-24 AWG |
| Enclosure Material | : | High impact ABS plastic |
| Humidity Measurement Accuracy | : | ±2% from 10 to 80% RH @ 25°C (77 °F) |
| IP Protection | : | IP20 |
| Input Specifications | : | Class 2; 20 to 30 Vdc, 24 Vac, 50 to 60 Hz |
| Measurement Type | : | CO2 |
| Operating Current | : | 20mA |
| Operating Humidity | : | 0 to 95% RH non-condensing |
| Operating Temperature | : | 0 to 50 °C (32 to 122 °F) |
| Output Specifications | : | Selectable 4 to 20 mA (2-wire), 0 to 5 V (3-wire), 0 to 10 V (3-wire) |
| Outputs | : | Analog |
| Standards EMC | : | EN61000 Series - industrial immunity |
| Standards | : | CE, UL 916, RCM, ICES-003. REACH, RoHS |
| Warranty | : | 3 Years |
The CWE2 Series of air quality sensors for living space are for use with BAS controllers designed to accept 4 to 20mA, 0 to 5 Vdc or 0 to 10 Vdc outputs. These sensors measure CO2 levels using a dual-beam, non-dispersive infrared (NDIR) technology. The CWE2 Series Economy sensor has an accuracy of ±30 ppm ±3% of measured value, features 2-wire 4 to 20mA and 3-wire voltage outputs.