Extech 42542 Data Sheet
Specifications subject to change without notice.
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4/24/08 R1
Measures up to 1832ºF
With 30 to 1 distance to target ratio
High Temperature IR Thermometer
Ordering Information:
42542..................High Temperature IR Thermometer
42542-NIST ........42542 with NIST Certificate
Features:
High Temperature range from -58° to 1832°F (-50 to 1000˚C)
30 to 1 distance to target ratio measures
smaller surface areas at greater distances
Adjustable high/low alarm alerts user visually and audibly when
temperature exceeds programmed limits
Adjustable emissivity for better accuracy on different surfaces
MIN/MAX/AVG/DIF features display highest, lowest, average,
and MAX minus MIN values
• Large backlit display allows for taking measurements
at night or in areas with low background light
• Laser pointer identifies target area
• High resolution of 0.1º up to 199.9º
• Automatic Data Hold when trigger released
• Auto power off
• Complete with 9V battery and hard carrying case
Specifications
Range -58 to 1832°F (-50 to 1000°C)
Basic Accuracy ±2% of rdg or 4°F/ 2°C whichever is greater <932°F (500°C);
±(2.5%rdg + 5°)>932°F (500°C)
Max. Resolution 0.1°F/°C
Emissivity 0.1 to 1.00 Adjustable
Field of View (Distance to Target) 30:1
Dimensions 3.9 x 2.2 x 9" (100 x 56 x 230mm)
Weight 10.2oz (290g)
200" distance
4" target
(500cm:10cm)
100" distance
2" target
(250cm:5cm)
50" distance
1" target
(125cm:2.5cm)
Measure non-contact surface temperature
on automotive applications
Thermometer
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