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Extech Instruments Manuals
Thermometer
42509
User manual
Table Of Contents - Extech Instruments 42509 User Manual
Dual laser infrared (ir) thermometer with color alert
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Table of Contents
Introduction
2
Safety
2
Meter Description
3
Display
3
Operating Instructions
4
Temperature Measurements
4
Dual Laser Pointer
4
Max (Maximum) Temperature Display
5
Backlight
5
The Mode Button Options
5
Color Alert High And Low Alarm Feature
6
Temperature Units
6
Lock Feature
6
Battery Replacement
6
Ir Measurement Notes
7
Field Of View
7
Calibration And Repair Services
7
Emissivity And Ir Measurement Theory
8
Emissivity Factors For Common Materials
8
Specifications
9
General Specifications
9
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