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Datasheet Installation guide More Info

CWE2M | Sensor, CO2, Economy, Wall,Temp,20K | Veris

Sensor, CO2, Economy, Wall,Temp,20K

Brand: VerisSKU: CWE2M

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Overview Details for CWE2M

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 CWE2M 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.

NDIR CO2 sensor
20K Ohm NTC Thermistor Temperature Sensor
Lower Installation costs: 2 wire current outputs
Competitively priced sensors
Easy installation: large wiring terminals on baseplate screw simplify installation and service
Flexibility: field selectable outputs
Easy to maintain: self calibrating

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, and is available with optional temperature output.

Specifications

Item Number	CWE2M
Brand	Veris
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 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 @ 25°C (77 °F)
Input Specifications	Class 2; 20 to 30 Vdc; 24 Vac; 50 to 60 Hz
IP Protection	IP20
Measurement Type	CO2 / Temperature
Measurement Type	CO2; Temp
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
Temperature Measurement Range	0 to 50 °C (32 to 122 °F)
Temperature Measurement Resolution	0.1 °C (0.1 °F)
Temperature Sensor Type	20K Ohm NTC Thermistor
Warranty	3 Years