Page 2
Introduction Congratulations on your purchase of the Extech RH350 SuperHeat Psychrometer. This device measures Differential Temperature (T1-T2, Air-T1, T1-DP), Humidity, Air Temperature, Dew Point and Wet Bulb. Advanced features include built-in memory and recall of up to 99 data points, Min/MAX/Average readings from the captured data, Data Hold, selectable Auto Power Off, and an RS-232 interface for capturing readings to a PC using optional 407752 software.
Page 3
(AVG) readings in memory. To exit the MIN/MAX/AVG mode, press the [M ] button. To clear the current min/max/avg readings in memory, press and hold the [M ] button for more than two seconds. RH350/355 V2.1 8/08...
Page 4
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). If it should become necessary to return the instrument for service during or beyond the warranty period, contact the Customer Service Department at (781) 890-7440 ext.
Page 5
For more information or specific operating instructions, refer to the User Guide included with the 407752 kit or contact Extech Instruments. RH350/355 V2.1 8/08...
Need help?
Do you have a question about the RH350 and is the answer not in the manual?
Questions and answers