The Fluke 1523 is a reference thermometer used for obtaining reliable and stable temperature measurements that can be used for field calibration. The supplied platinum resistance thermometer can be used for immersion in liquids or insertion to a duct or similar space. The measurement range is -200 to 500 °C (-328 to 932 °F). The accuracy is ±0.026 °C (±0.05 °F) at -200 °C ; ±0.066 °C (±0.12 °F) at 0 °C ; and ±0.219 °C (±0.39 °F) at 500 °C. The reference thermometer can also measure, graph, and record temperatures which is useful for trending.
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