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Documents: U021-0004

Datasheet Installation guide More Info

U021-0004 | Flow | Gas | Quicksert | Magnetic Pickup | SS | Veris

Sensor, CO2, Wall, Humidity w/2% Accuracy, Temp Transmitter, VOC, BACnet/Modbus

Brand: VerisSKU: U021-0004

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Overview Details for U021-0004

Flow | Gas | Quicksert | Magnetic Pickup | SS

The CW2 Protocol Series of air quality sensors for living space is a flexible multi-sensor platform for use with BAS controllers designed to accept BACnet or Modbus outputs. CW2 Protocol Series sensors feature no-logo on the faceplate and are available with three user interface options: touchscreen, LCD with three buttons and blank. CO2 and temperature sensors are included with all CW2 Protocol Series air quality sensors. Models with VOC sensors and relative humidity sensors are also available.

Specifications

Item Number	U021-0004
Brand	Veris
CO2 Measurement Accuracy	±30 ppm ±3% of measured value
CO2 Measurement Range	0 to 2000/5000 ppm (selectable)
CO2 Measurement Repeatability	±20 ppm ±1% of measured value
CO2 Measurement Resolution	1 ppm
CO2 Response Time	<60 seconds for 90% step change
CO2 Sensor Type	Non-dispersive infrared (NDIR); diffusion sampling
Color	Matte White
Communication Specifications	BACnet MSTP or Modbus via RS-485; selectable
Communication	Protocol
Electrical Wiring Size	Screw terminals; 18-24 AWG
Enclosure Material	High impact ABS plastic
Input Specifications	Class 2; 20 to 30 Vdc; 24 Vac; 50 to 60 Hz
IP Protection	IP20
Measurement Type	CO2 / VOC / RH / Temperature
Meter Type	Gas
Operating Humidity	0 to 95% RH non-condensing
Operating Temperature	0 to 50 °C (32 to 122 °F)
Standards EMC	EN61000 Series - industrial immunity
Standards	CE; UL 916; RCM; ICES-003. REACH; RoHS
Temperature Measurement Accuracy	±0.2 °C (±0.4 °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	Solid state; integrated circuit
VOC Measurement Accuracy	±15% of measured value
VOC Measurement Range	0 to 100% AQI for VOC
VOC Output Scale	0 to 1;000 ppb of total VOC (TVOC)
VOC Sensor Type	Solid state