Maximum value during a datalogging session is displayed MIN: Minimum value during a datalogging session is displayed REC: Recording in progress indicator FULL: Memory is full indicator %RH: Humidity value is displayed °C: Celsius temperature units °F: Fahrenheit temperature units RHT20-en-US_V1.6 5/21...
To change the code: Press the release to open the lock (1) Using a pointed object, press IN and HOLD the locking pin on the bottom of the lock (2). Set the new code (3) and release the locking pin RHT20-en-US_V1.6 5/21...
Re-assemble the meter before use. Safety: Please dispose of batteries responsibly; never dispose of batteries in a fire, batteries may explode or leak. If the meter is not to be used for 60 days or more, remove the battery and store separately. RHT20-en-US_V1.6 5/21...
40 to 60% ±3.0% Temperature 14 to 104°F ±1.8°F -13 to 14°F and 104 to 158°F ±3.6°F -40 to -13F ±8°F typical -10 to 40°C ±1°C -25 to -10°C and 40 to 70°C ±2°C -40 to -25C ±4°C typical RHT20-en-US_V1.6 5/21...