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Veris CW2TA2A Wall Air Quality Sensor

Brand: Veris Industries

The Veris CW2 Series of air quality sensors for living space is a flexible multi-sensor platform for use with various brands of BAS controllers designed to accept 4 to 20mA, 0 to 5Vdc, 0 to 10Vdc, and various thermistor outputs. 

CW2 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 Series air quality sensors. 

Models with VOC sensors and relative humidity sensors are also available.

Specifications

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

Display Resolution

  • 240 x 300 px

Display Size

  • 2.4 in (61 mm)

Display Type

  • LCD, Color, Backlit, Capacititve Touchscreen

Electrical Wiring Size

  • Screw terminals, 18-24 AWG

Enclosure Material

  • High impact ABS plastic

Humidity Calibration Certificate

  • Replaceable RH element available in 1 % & 2 % with NISTcalibration certificate

Humidity Measurement Accuracy

  • ± 2 % from 10 to 80 % Relative Humidity @ 25° C (77° F)

Humidity Measurement Linearity

  • Included in accuracy specification

Humidity Measurement Range

  • 0 to 100 % Relative Humidity

Humidity Measurement Resolution

  • 0.1 % Relative Humidity

Humidity Sensor Type

  • Thin-film capacitive, replaceable

IP Protection

  • IP20

Input Specifications

  • Class 2, 20 to 30 Vdc, 24 Vac, 50 to 60 Hz

Measurement Type

  • CO₂ / RH / Temperature

Operating Humidity

  • 0 to 95 % Relative Humidity Non-Condensing

Operating Temperature

  • 0° to 50° C (32° to 122° F)

Output Specifications

  • Selectable 4-20 mA, 0 to 5 V, 0 to 10 V

Outputs

  • Analog

Override

  • Yes

Setpoint Range

  • Temperature: 0 to 50° C (32 to 122° F) / 10 to 35° C (50 to 95° F), selectable Humidity: 0 to 100 % Relative Humidity. Fan Speed: Off, Low, Med., High.

Setpoint Specifications

  • 0-10 Vdc. Temperature, humidity or fan speed (one setpoint type is selectable via dip switch)

Setpoint

  • Yes

Standards EMC

  • EN 61000 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

Warranty

  • 5 Years

Documentation

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