Not available for next day delivery, as certified at time of order
For any quantity greater than 50 pieces, we invite you to contact us by e-mail or via our form.
Thermistor test plugs to check the accuracy of Therma 20, Therma 22 or any thermometer with an equivalent thermistor.
Simply plug in the desired test cap and the display on the thermometer should show the same temperature as the certified value, so you can rest assured that your instrument is calibrated and properly illuminated.
Each test cap comes with a UKAS calibration certificate with a guaranteed uncertainty of ± 0,1 ° C.