RH350 Datasheet, PDF (6/6 Pages) Extech Instruments Corporation. – SuperHeat Psychrometer

Specifications
Function
Humidity
Temperature (air)
Temperature (external K)
Display
Sensor Type
Response Time
Dew Point
Wet Bulb
Low Battery Indicator
Overrange Indicator
Underrange Indicator
Operating Conditions
Storage Conditions
Power Supply
Battery Life
Dimensions / Weight
Range and Resolution
Accuracy
0.0 to 100.0% RH
-4.0 to 122.0^oF (-20 to 50^oC)
-40 to 1832^oF (-40 to 1000^oC)
±3% RH (10 to 90%)
@ 23°C
±1.8^oF (±1^oC)
±(0.3% rdg + 1.8^oF (1^oC))
Triple LCD
Humidity: Precision capacitance sensor
Internal Temperature: Thermistor
External Temperature: K-Type Thermocouple
60 seconds typical
-90.4 to 122.0^oF (-68 to 50^oC) (calculated from RH and Air
temperature measurements)
-6.88 to 122.0^oF (-21.6 to 50^oC) (calculated from RH and Air
temperature measurements)
Yes
E2 (air) E5 (T1), E8 (T2)
E3 (air), E6 (T1), E9 (T2)
-4 to 122^oF (-20 to 50^oC); < 99% RH non-condensing
-40 to 185^oF (-40 to 85^oC); <99% RH non-condensing
4 x 1.5V ‘AAA’ batteries
Approx. 300 hours
9 x 2.2 x 1.7” (230 x 57 x 44mm); 5.3 oz. (153g)
Maintenance
Cleaning and storage
1. The meter should be cleaned with a damp cloth and mild detergent when necessary.
Do not use solvents or abrasives.
2. Store the meter in an area with moderate temperature and humidity (refer to the
operating and storage range in the specifications chart earlier in this manual).
Battery Replacement
When the battery power falls low, the symbol will appear on the LCD. Replace the four (4)
1.5 ‘AAA’ batteries by removing the rear battery compartment cover and accessing the
battery compartment. Observe polarity when placing the batteries in the compartment.
Ensure that the compartment cover is securely fastened when finished.
Support line [phone]
Technical support: Extension 200; E-mail: [e-mail]
Repair & Returns: Extension 210; E-mail: [e-mail]
Product specifications subject to change without notice
For the latest version of this User’s Guide, Software updates, and other
up-to-the-minute product information, visit our website: www.extech.com
Copyright © 2008 Extech Instruments Corporation (a FLIR company)
All rights reserved including the right of reproduction in whole or in part in any form.
6
RH350/355 V2.1 8/08