Thermistor Test Caps 0°C

Ensure your thermistor thermometer remains accurate and compliant with the ETI 0 °C Thermistor Test Cap. Designed for the Therma 20, Therma 22, and other equivalent thermistor-based instruments, this plug-in cap verifies performance quickly and efficiently.

Each cap is UKAS‑certified, calibrated to 0 °C with a guaranteed uncertainty of ±0.1 °C. To use, simply plug the cap into the thermometer socket and check that the reading matches the certified value, confirming that your instrument is within specification.

These test caps are custom‑calibrated at the time of order, with delivery within 10–14 working days, and come with a two‑year manufacturer’s guarantee.

Key Features:

• UKAS Certified Accuracy – Calibrated to 0 °C with ±0.1 °C uncertainty.

• Instant Plug‑and‑Check Use – No extra equipment required: simply plug into your thermometer.

• Fast Verification – Immediate confirmation of thermometer accuracy.

• Designed for Therma 20/22 & Equivalent Devices – Fully compatible with ETI thermistor thermometers.

• Made in the UK with QA Guarantee – Includes calibration certificate and two‑year warranty.