http://kskimball.com/product/RH300 2010-01-08 monthly 0.5 http://kskimb">
 

 
ExTech Digital Psychrometer
ExTech Digital Psychrometer
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Extech RH300 Digital Psychrometer features simultaneous display of %RH, temperature and dew point or web bulb or probe temperature. The RH300 will caluclate wet bulb measurements without slinging and calculates T1-T12 differential. The unique sensor cap design twist to closed position for protection during storage. Switchable F/C temerature units. Data hold freezes current reading on display. Displays maximun/minimun reading and has auto power off to save battery life. The RH300 comes complete with 2 AAA batteries