Operating Instructions - Extech Instruments 42535 User Manual

Meter Description
1. LCD Display
2. Emissivity button
3. Down button/°F°C
4. Mode button
5. Up button/Lock
6. Battery cover
7. Infrared lens
8. Laser pointer
9. Measuring trigger
10. Thermocouple input

Operating Instructions

Infrared Temperature
1. Point the meter toward the surface to be measured.
2. Pull and hold the trigger to turn the meter on and begin testing. "SCAN" and a blinking
icon will appear in the display while the trigger is held.
3. Release the trigger and "HOLD" will appear. The last reading will remain in the display
for 60 seconds and then the meter will shut off.
4. While measuring, press the ºC/ºF button to turn the laser pointer on or off. When the
laser is on, the icon will appear on the top left of the display.
5. While in the HOLD mode, press the ºC/ºF button to change the temperature units.
6. Momentarily press the Mode button to step through and view the MAX (maximum), MIN
(minimum), dIF (difference between the max and min), AVG (average), HAL (high
alarm), LAL (low alarm), PRB (type k probe) or E (emissivity).
7. While in the HOLD mode, momentarily press the LOCK button to allow the meter to run
continuously for 60 minutes without holding the trigger. The "LOCK" and "SCAN" icons
will appear in the display. Press the LOCK button again to exit Lock mode.
Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176
Distance to Object (inches)
11
5.5
0.5
1.0
Diameter of Spot (inches)
2
FAX 781.665.0780 - TestEquipmentDepot.com
22
Laser Pointer
2.0
42535 Version 4.0 01/05