Model 42525A Version 4.0 5/05
4
Meter Description
1. LCD
Display
2. Function
buttons
•
C/F Button (also the UP button): Used to select temperature units. Also used as an UP arrow button
for setting the emissivity value
•
Emissivity button: Enter the emissivity adjustment mode
•
Relative button (also the DOWN button): Used to access the RELATIVE mode of operation. Also
used as the DOWN arrow button for setting the emissivity.
•
Record button: Used when viewing the MAX and MIN readings
•
Data Hold button: Used to freeze the displayed reading
3.
POWER button: Turns meter ON or OFF
4.
IR/Type K button: Selects IR (non-contact) or Type K (contact) operation
5.
RS-232 PC Interface jack
6. IR
Sensor
7. Laser
pointer
8.
Type K input jack
9.
Laser pointer trigger
10. Handle
grip
11. Battery
Compartment