We have 2 in stock.
Accepts a plug in thermocouple (with included socket) or a humidity probe head sensor (0636 9736) and beams sensor data to a testo wireless module (which is installed in a compatible testo meter).
*THIS ITEM IS A HANDLE ONLY, PROBE HEADS MUST BE ORDERED SEPARATELY or look for combo kits
0554 0190 - Wireless Module
Inserts inside a compatible testo meter to enable reception of wireless data from a testo wireless probe handle.