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Extech Instruments IR250 User Manual

Extech Instruments IR250
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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”)

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