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Vaisala HMW82 transmitter is designed for use in energy management systems in buildings. HMW82 has two 4-20 mA loop-powered outputs corresponding to 0-100% RH and -5+55 °C (+23+131 °F) temperature.
The 2-wire HMW82 transmitter is designed for use in energy management systems in buildings. It combines excellent stability with reliable operation. It is easy to install: wire it to the terminal block at the transmitter bottom and close the housing with a snap-on lid to cover the electronics. The HMW82 is designed to fit standard 2x4" junction boxes. The HMW82 uses the interchangeable Vaisala INTERCAP® sensor which requires no recalibration when the sensor is replaced. The sensor is also insensitive to dust as well as to most chemicals.
| Measurement parameter(s) | Relative humidity Temperature |
| Measurement range | 0 ... 100 % RH -5 ... +55 °C (+23 ... +131 °F) T |
| Measurement accuracy | ±3.0 % RH (30 ... 70 % RH) ±5.0 % RH (0 ... 30 % RH, 70 ... 100 % RH) ±0.5 °C T |
| Operating temperature | -5 ... +55 °C (+23 ... +131 °F) |
| Operating voltage | 10 ... 28 VDC |
| Analog outputs | 4 ... 20 mA |
| Housing classification | IP30 |
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