GMW94 CO2 and Temperature Sensor for demanding HVAC, with Certificate, Current Loop, Display - Vaisala Online Store

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GMW94 CO2 and Temperature Sensor for demanding HVAC, with Certificate, Current Loop, Display

The Vaisala GMW94 and GMW94D Carbon Dioxide and Temperature Transmitters are intended for demand controlled ventilation and green buildings. Both transmitters have a 3-wire, current output.

The GMW90 Series Carbon Dioxide and Temperature Transmitters use advanced Micro-Electro-Mechanical System (MEMS) technology for measuring carbon dioxide. The sensor’s continuous reference measurement enables reliable and accurate readings, outstanding long-term stability, extended lifetime, and minimal maintenance.

These wall-mounted transmitters are easy to install and have very low maintenance requirements. Both models feature a display for easy calibration, but in model GMW94 the display is hidden behind a solid front enclosure.

See all GMW90-series CO2 transmitters

The transmitter has user exchangeable measurement modules, which can be ordered as spare parts. The module is delivered with a calibration certificate.

Models

  • GMW94: Hidden display
  • GMW94D: Visible display

The package includes:

  • Transmitter
  • Quick guide
  • Traceable calibration certificate

GMW94 CO2 and Temperature Sensor for demanding HVAC, with Certificate, Current Loop, Display
GMW94 with a solid cover and GMW94D with a display opening.
Standard delivery time for single unit: 1 week
About delivery times »
Warranty: 24 months
About warranty »
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Detailed information

Measurement parameter(s)Carbon dioxide
Temperature
Measurement range0 ... 2000 ppm CO2
-5 ... +55 °C (+23 ... +131°F) T
Measurement accuracyat +20 … +30 °C (+ 68 … + 86 °F) ± (30 ppm + 2 % of reading) CO2
at +20 ... +30 °C (+68 ... +86 °F) ±0.5 °C (± 0.9 °F) T
Operating temperature-5 ... +55 °C (+23 ... +131 °F)
Operating voltage18 … 35 VDC, 24 VAC ± 20% 50/60 Hz
Analog outputs0/4 ... 20 mA, 2 and 3 channel models available
Housing classificationIP30
Links See full specifications on Vaisala.com
Download user guides and other product documents on Vaisala.com


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