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Vaisala GMW95R Digital Carbon Dioxide, Temperature and Humidity Transmitter for Ventilation Control
Manufacturer: Vaisala
Part Number: GMW95R
Product Options
| Vaisala GMW95R Model: |
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* Whole number only
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 Vaisala GMW90 Series Digital CO2, Temperature & Humidity Transmitter Vaisala GMW95R Digital CO2, Temperature & Humidity Transmitter Vaisala GMW95RD Digital CO2, Temperature & Humidity Transmitter |
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Vaisala GMW95R Digital Carbon Dioxide, Temperature and Humidity Transmitter for Ventilation Control
The Vaisala digital Carbon Dioxide, Temperature, and Humidity Transmitter GMW95R is intended for demand controlled ventilation applications. It features both BACnet MS/TP and Modbus RTU output options.
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.
This wall-mounted transmitter is easy to install and it has very low maintenance requirements. The model features a display for easy calibration; the display is hidden behind a solid front enclosure.
Features
- Measured parameters: carbon dioxide, temperature, and humidity (optional)
- Superior long-term stability with the next generation Vaisala CARBOCAP® sensor
- Accurate temperature and humidity measurements in a three-parameter instrument due to the low-power microglow infrared source
- Quick and easy installation and maintenance
- Calibrated, user-exchangeable modules for carbon dioxide, temperature and humidity
- Traceable calibration (certification included)
- Digital communication with BACnet/Modbus
- Decorative cover available to match your building’s interior design
Technical Specifications
| Models |
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| GMW95 |
CO2+T |
Digital (BACnet/Modbus) model |
| GMW95D |
CO2+T |
Digital (BACnet/Modbus) model with display |
| GMW95R |
CO2+T+RH |
Digital (BACnet/Modbus) model |
| GMW95RD |
CO2+T+RH |
Digital (BACnet/Modbus)model with display |
Performance
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| CARBON DIOXIDE |
| Measurement range |
0 … 5000 ppm |
| Accuracy |
+20 … +30 °C
(+ 68 … + 86 °F) |
± (30 ppm + 2 % of reading) |
+10 ... +20 °C, +30 ... +40 °C
(+50 ... +68 °F, +86 ... +104 °F) |
± (35 ppm + 2.7 % of reading) |
-5 ... +10 °C, +40...+55 °C
(+23 ... +50 °F, +104 ... +131 °F) |
± (45 ppm + 3.8 % of reading) |
Stability in typical
HVAC applications |
Total accuracy at room temperature
±75 ppm at 600 and
1000 ppm incl. 5 years drift* |
| Carbon dioxide sensor |
Vaisala CARBOCAP® GM10 |
| TEMPERATURE |
| Measurement range |
-5 ... +55 °C (+23 ... +131 °F) |
| Accuracy |
+20 ... +30 °C
(+68 ... +86 °F) |
±0.5 °C (± 0.9 °F) |
+10 ... +20 °C, +30 ... +40 °C
(+50 ... +68 °F, +86 ... +104 °F) |
±0.6 °C (± 1.08 °F) |
-5 ... +10 °C, +40...+55 °C
(+23 ... +50 °F, +104 ... +131 °F) |
±0.8 °C (± 1.44 °F) |
| Temperature sensor |
Digital temperature sensor |
| RELATIVE HUMIDITY |
| Measurement range |
0 ... 95 %RH |
| Accuracy |
| Temperature range |
+10 ... +40 °C (+50 ... +104 °F) |
| 0 ... 60 %RH |
±2.5 %RH |
| 60 … 80 %RH |
±3.0 %RH |
| 80 ... 95 %RH |
±4.0 %RH |
| Temperature range |
-5 ... +10 °C, +40 ... + 55 °C
(+23 ... +50 °F, +104 ... +131 °F) |
| 0 ... 60 %RH |
±3.5 %RH |
| 60 … 80 %RH |
±4.0 %RH |
| 80 ... 95 %RH |
±5.0 %RH |
| Stability in typical HVAC applications |
±0.5 %RH/year |
| Humidity sensor |
Vaisala HUMICAP® 180R |
| *Complies with CEC-400-2008-001-CMF |
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Vaisala GMW95 Digital Carbon Dioxide and Temperature Transmitter features both BACnet MS/TP and Modbus RTU output options.
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