Development and Performance Testing for PRT 2.5 Ohm

Dwi Larassati


The Temperature Metrology Laboratory of Puslit KIM-LIPI has been able to develop a platinum resistance thermometer Pt 2.5. This thermometer can be used in a temperature range (0 ~ 100)°C. It is calibrated using Pt-25 standard platinum resistance thermometer. The calibration result shows that the thermometer has uncertainty 0.22°C with a confidence level 95% and coverage factor k = 2. It meets resistance thermometer accuracy for class B, in a temperature range of use (0~70)°C based on standard DIN EN 60751:2009.

Keywords: platinum resistance thermometer, performance test

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