Thermistor Test Cap | AJ Stuart

Thermistor Test Cap

Product code: UTAJSFOOD69
(£50.38 inc. VAT)
Out of Stock - Available to order 5-7 Days Delivery
The Thermistor Test Cap is suitable for checking the temperature of the Therm 20, Therm 22 or any equivalent thermistor thermometer. This test cap is available with a temperature point of -18C or 100C.

The test cap can simply be plugged in and the display on the thermometer should show the same temperature as the certified value. You are therefore assured that your thermometer is calibrated and working as it should do.

Both of these test caps is supplied with a UKAS Certificate of Calibration with a guaranteed uncertainty of ±0.1C.

Temperature point: -18C or 100C


Check the availability of our products in the options above under the ‘Availability’ column. If your goods are in stock, you can choose from our ‘Next Day’ or ‘2-5 Days’ delivery option at the checkout, depending how quickly you need your goods delivered.

If your goods are currently out of stock, the ‘Availability’ column will give you an idea of how long it will take for these goods to be delivered, for example- ‘3-5 Days Delivery’. Please note that this only an estimate and goods may be available sooner or later than expected.

If you have any specific delivery instructions, please add these to the notes field in the checkout and we’ll be sure to let our couriers know of any special instructions you have regarding your delivery.


Normal Lead Time​

Cost over £75

Cost under £75

Royal Mail

(under 2kg, NI & GB Only)

2-4 Days




(NI, GB, ROI, excl. Highlands & Islands)

GB: 2-5 working days NI/ROI: next day



Next Day Delivery

(GB excl. Highlands & Islands)

Next Day



Highlands & Islands (over 2kg)

2-5 working Days



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