GMW84 HVAC Temperature and CO2 Sensor for DCV. Wall Model, Current outputs, Relay - Vaisala Online Store

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GMW84 HVAC Temperature and CO2 Sensor for DCV. Wall Model, Current outputs, Relay

The Vaisala GMW80 series CARBOCAP® carbon dioxide and temperature transmitters are wall-mount transmitters designed to fulfill the needs for CO2 measurements in standard demand controlled ventilation (DCV) applications. The CO2 measurement is based on a second generation CARBOCAP® sensor, which uses a novel, silicon-based microchip emitter.

The internal reference in the CO2 sensor guarantees the best stability and operation also in constantly occupied buildings without frequent readjustments.

The CARBOCAP® sensors give correct CO2 measurements immediately when powered on. Proper operation can be verified immediately after snapping on the device cover.

See all GMW80-series CO2 transmitters

The package includes:

  • GMW84 transmitter

GMW84 HVAC Temperature and CO2 Sensor for DCV. Wall Model, Current outputs, Relay
Models:
  • GMW84: CO2 and Temperature outputs.
  • GMW84S: CO2 and Temperature outputs, Relay. Relay setpoint can be easily set by a rotary switch to: 600, 700, 800, 900, 1000, 1200, 1400, 1600, 1800 or 2000 ppm
Standard delivery time for single unit: 1 week
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Warranty: 24 months
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Detailed information

Measurement parameter(s)Carbon dioxide
Temperature
Measurement range0 ... 2000 ppm CO2
0 ... +50 °C (+32 ... +122 °F) T
Measurement accuracy± (30 ppm + 3 % of reading)
±0.5 °C T
Operating temperature0 ... +50 °C (+32 ... +122 °F)
Operating voltage18 … 35 VDC, 24 VAC ± 20% 50/60 Hz
Analog outputs4 … 20 mA, Optional Relay 50 VDC/50 VAC 500 mA max
Housing classificationIP30
Links See full specifications on Vaisala.com
Download user guides and other product documents on Vaisala.com


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