Extech Instruments 45320 User Manual

User's Guide
Hygro-Thermometer
Model 45320
Introduction
Congratulations on your purchase of the Extech 45320 Hygro-Thermometer. The backlit
LCD displays temperature (in
Maximum and minimum temperature and relative humidity readings can be stored and
recalled. Careful use of this meter will provide years of reliable service.

Specifications

Display
Measurement ranges
Accuracy
Sensor types
Max/Min mode
Over range indication
Low battery indication
Power supply
Battery life
Dimensions
Sensor cable length
Weight
o o
C or F) and relative humidity (%) simultaneously.
Backlit E.L. (Electro-Luminance) LCD
o
Temperature: 5.0 F to 122.0
Relative Humidity: 25% to 95%
o
Temperature: ±1.8 F (1
Relative Humidity: ±5%
Temperature: Thermistor
Relative Humidity: Resistive
Record/Recall highest and lowest temperature & relative
humidity readings
Dashes '------' will appear on the LCD for temperature or
relative humidity if a measurement is out of range
Displayed battery symbol superimposed with an 'X'
Two (2) 'AA' 1.5V Batteries
1 year (typical)
Meter: 5.25 x 2.75 x 1.00" (133 x 70 x 25mm)
Probe: 7" (178mm) length; 1" (25mm) width
39" (1m)
6.7 oz. (190g) with battery
o o
F (-15.0 C to 49.9
o
C)
o
C)