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This cost-effective sensor monitors Carbon Dioxide and temperature using stable dual-beam NDIR technology. It is designed for standard commercial applications where reliability and budget are both priorities.
This cost-effective sensor monitors Carbon Dioxide and temperature using stable dual-beam NDIR technology. It is designed for standard commercial applications where reliability and budget are both priorities.
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 CWE2D measures temperature as well. 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.
Features
| 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 Sensor Type | Dual beam non-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 at 25°C (77°F) |
| IP Protection | IP20 |
| Input Specifications | Class 2; 20 to 30 Vdc, 24 Vac, 50 to 60 Hz |
| Measurement Type | CO2 / Temperature |
| 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 to industrial immunity |
| Standards | CE, UL 916, RCM, ICES-003. REACH, RoHS |
| Temperature Measurement Accuracy | ±1.0°C (±1.8°F) typical |
| Temperature Measurement Range | 0 to 50°C (32 to 122°F) |
| Temperature Measurement Resolution | 0.1°C (0.1°F) |
| Temperature Sensor Type | 10K Ohm Type 2 Thermistor |
| Warranty | 3 Years |
| 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 Sensor Type | Dual beam non-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 at 25°C (77°F) |
| IP Protection | IP20 |
| Input Specifications | Class 2; 20 to 30 Vdc, 24 Vac, 50 to 60 Hz |
| Measurement Type | CO2 / Temperature |
| 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 to industrial immunity |
| Standards | CE, UL 916, RCM, ICES-003. REACH, RoHS |
| Temperature Measurement Accuracy | ±1.0°C (±1.8°F) typical |
| Temperature Measurement Range | 0 to 50°C (32 to 122°F) |
| Temperature Measurement Resolution | 0.1°C (0.1°F) |
| Temperature Sensor Type | 10K Ohm Type 2 Thermistor |
| Warranty | 3 Years |
