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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.
| Models | ||
 | | |
| 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 | ||
| 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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