The “Reference” thermometer is a high precision device supplied with a five point UKAS certification. (United Kingdom Accreditation Service).
The “Reference” Thermometer is designed to control the accuracy of other instruments or probes when used together with a stable temperature source . It has a ±0.05ºC accuracy for a -199.9 to +199.9ºC range with a 0.01ºC resolution.
This thermometer includes a highly precise fixed probe which incorporates a 1/10th DIN PT100.The probe measures Ø3.3x130mm and has a 1m wire.
The "Reference Plus" model incorporates the additional features of a Max/Min and Hold function.
Comparator
The comparator is an effective way of measuring the calibration of infrared thermometers, it is used together with the “Reference” thermometer. (Comparator not included with thermometer)