Vaisala TMW82 Wall-Mount Temperature Transmitter

Wall-Mount Temperature-Only Transmitters
IP65-classified wall-mount humidity and temperature transmitters HMW88/89(D) with and without display, for humid areas
Standard Wall-Mount Humidity and Temperature Transmitters
Duct-mount humidity and temperature transmitters HMD82/83(D) with and without display

The 2-wire TMW82 transmitter is designed for use in energy management systems in buildings. 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 TMW82 is designed to fit standard 2x4" junction boxes.

The TMW82 has a 4…20 mA loop-powered output corresponding to -5…+55 °C (+23…+131°F) temperature.

Wiring for TMW82

4 ... 20 mAoutput, scaling -40... +60 °C
(-40 ... +140°F).

Leave terminals 3 and 4 unconnected.

Parts of Wall Mounted Models (TMW82/83)

1. Opening tab: push down to open the transmitter
2. Direction arrow. Must point up after mounting base has been installed on the wall.
3. Wiring label.
4. Screw terminals.
5. Mounting base.
6. Transmitter cover with component board.