Datasheet

Wireless probes offer many advantages over
traditional cable or integrated probes.
Measurements up to 65 ft. are possible. There
is no risk of damaging or tangling wires or
cables. With the testo 635, up to three wireless
probes can be read and displayed at once for
temperature and humidity measurements. The
optional, easily installed wireless module can be
retrofitted at any time in either 635 model.
Wireless probes offer versatility