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Extech Instruments IR250 User Manual

Extech Instruments IR250
6 pages
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User Guide
InfraRed (IR) Thermometer
MODEL IR250

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Extech Instruments IR250 Specifications

Temperature Measurement IconTemperature Measurement
temperature range-20 to 260°C (-4 to 500°F)
temperature resolution0.1°
temperature accuracy-20°C to -7°C (-4 to 20°F): ±4°C (7.5°F); -7°C to 260°C (20 to 500°F): ±3% of reading or ±2.5°C /5°F (whichever is greater)
emissivityFixed 0.95
Display IconDisplay
display typeBacklit LCD display with function indicators
display update rateLess than 1 second
Operating Environment IconOperating Environment
operating temperature0°C to 50°C (32°F to 122°F)
operating humidity80% Relative Humidity max.
Power IconPower
power supply9V battery
automatic power offMeter shuts off automatically after 8 seconds
Weight and Dimensions IconWeight and Dimensions
weight125g (4.4 oz)
dimensions80x31.7x137mm (3.15 x 1.25 x 5.4”)

Summary

Introduction

Warranty

Details the one-year warranty on the instrument, including limitations and return procedures.

Safety

Outlines crucial safety precautions for using the laser pointer and the device.

Descriptions

Meter Description

Identifies and labels the key physical components of the IR thermometer.

Function Buttons

Explains the purpose and operation of the device's function buttons.

Display Description

Details the various indicators and readings shown on the LCD display.

Operating Instructions

Power

Describes how the device is powered by a 9V battery and its replacement.

IR Measurements

Guides users on how to perform infrared temperature measurements.

Temperature units

Explains how to select between Celsius and Fahrenheit temperature units.

Backlight/Laser Pointer

Instructions for activating/deactivating the LCD backlight and laser pointer.

IR Measurement Notes

Provides important tips and considerations for accurate IR measurements.

Battery Replacement

Details the process for replacing the 9V battery when the low battery indicator appears.

Field of View

Specifications

Calibration and Repair Services

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