Model 5646A Humidity/Temperature/Dew Point Indicator
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The Model 5646A is a low-cost humidity, temperature and dew point indicator designed for fast, accurate measurement. The Model 5646A operates from a single lithium battery with a typical operating life of 100 hours.
Measurement Range:
Humidity 5-95% RH (±3%)
Temperature 32-122ºF(0-50 ºC) (±1%)