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Thermal Validation Hardware

Series 275 Thermometer

For thermocouple sensor calibration of the complete EaziVal system the actual temperature of the calibration source must be accurately known. EaziVal provides multi-point calibration at "high", "low" and "check-point" temperatures with the scale and offset values automatically calculated for each sensor. Using a Series 275 digital thermometer as the UKAS calibrated temperature reference this information can be entered into EaziVal. The calibration results are then stored for reporting.

Series 275 reference thermometer with min/max value storage


The Series 275 is a single channel, hand held temperature measuring system consisting of a high accuracy platinum resistance sensor coupled with a high accuracy digital thermometer. The combination of sensor and thermometer is calibrated by a UKAS accredited test house at five temperatures.


Digital thermometerDigital thermometer

Range -199.00°C to 199.99°C Accuracy ±0.03°C

Range -200.0°C to 850.0°C Accuracy ±0.1°C

Resolution 0.01°C to 199.99°C then 0.1°C at 200°C and above

Dimensions 71mm wide x 142mm high x 26mm deep

Power supply 9V battery

Operating ambient 0°C to 40°C

PT100 sensor The 275 is supplied with a single 1/10 DIN 100O sensor in a stainless steel sheath 6mm diameter x 150mm length with 2m PTFE lead. Operating range: -80°C to 250°C.

UKAS calibration points 0°C, 100°C, 121°C, 134°C and 150°C, other points to special order.

Annual re-calibration


Anville offer service and UKAS certified re-calibration for the 275 temperature reference thermometer.