Model RH101 is a hygrothermometer that has a noncontact infrared (IR) thermometer built into it. The IR thermometer takes measurements ranging from -58 degrees to 932 degrees F (-50 degrees to 500 degrees C). On the main display, the user selects whether to show the percentage of relative humidity or infrared temperature. The secondary display always shows ambient temperature. Both humidity and air temperature are measured by the remote sensor. The unit features a large, backlit LCD. It comes with a built-in stand, protective holster, probe, 9-V battery, and carrying case.

Extech Instruments Corp., 285 Bear Hill Rd., Waltham, MA 02451-1064; 781-890-7440; 781-890-7864 (fax);;

eProduct #183