Extech EXTRH300 Digital Psychrometer Rh300

Extech RH300 humidity meter with dew point Simultaneous display of %RH, temperature and dew point or wet bulb or probe temperature Wet bulb measurements without slinging Calculates T1-T2 differential (air temperature minus external probe temperature) using optional probe (TP890) and T-2 dew point Unique sensor cap design twists to closed position for protection during storage