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User's Guide Humidity & Temperature Datalogger Model RHT20...
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Maximum value during adatalogging 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 V1.0 8/09...
Battery life can be extended by leaving the datalogger connected to a pc. 10. Disabling the REC and ALM LED’s will extend battery life. RHT20 V1.0 8/09...
Set the new code (3) and release the locking pin Warranty EXTECH INSTRUMENTS CORPORATION (A FLIR COMPANY) warrants this instrument to be free of defects in parts and workmanship for one year from date of shipment (a six month limited warranty applies to sensors and cables).
Repair & Returns: Extension 210; E-mail: repair@extech.com Product specifications subject to change without notice For the latest version of this User Guide, Software updates, and other up-to-the-minute product information, visit our website: www.extech.com Extech Instruments Corporation, 285 Bear Hill Road, Waltham, MA 02451 RHT20 V1.0 8/09...
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