This is a high quality dual-input digital thermometer with temperature difference capability. It is able to measure input and output temperature and temperature differentials through boilers, radiators etc. and can accept a wide range of K type probe accessories.

The meter comes with a protective rubberised holster and is switchable between °C and °F and between 1° and 0.1° resolution. Hold and maximum buttons allow the current value to be frozen or the maximum reading to be stored.