1.5 metre probe extension cable for use with the HDT-318 Thermo-Hygrometer with Data Logger (Air Humidity/Temperature).

Enables readings to be taken up to 1.5 metres away from the hand-held unit.

Unscrew the probe attached to the unit, connect it to the extension cable, and connect the extension cable back to the unit.

This product can be supplied with a calibration certificate.