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User’s Guide 

 
 
 
 
 

Mini IR Thermometer 
with Type K Input 

 

Model 42535 

 

 
 
 
 
 
 
 

Introduction 

Congratulations on your purchase of Extech’s 42535 IR Thermometer. This device offers 
non-contact infrared temperature measurement capability. The built-in laser pointer 
increases target accuracy. Type K thermocouple functionality is also built-in. Proper use 
and care of this meter will provide years of reliable service. 

Safety 

1. 

Use extreme caution when the laser beam is ON 

2. 

Do not point the beam toward anyone's eyes 

3. 

Be careful not to let the beam strike the eye from a reflective surface 

4. 

Do not use the laser near explosive gases or in other potentially 
explosive areas

 

Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176

FAX 781.665.0780 - TestEquipmentDepot.com 

Содержание 42535

Страница 1: ...mocouple functionality is also built in Proper use and care of this meter will provide years of reliable service Safety 1 Use extreme caution when the laser beam is ON 2 Do not point the beam toward anyone s eyes 3 Be careful not to let the beam strike the eye from a reflective surface 4 Do not use the laser near explosive gases or in other potentially explosive areas Test Equipment Depot 800 517 ...

Страница 2: ...tton 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 Wh...

Страница 3: ...erature measurements will be To calculate the emissivity of an object Measure an object s temperature using a Type K Thermocouple and note the reading Measure the object again using the IR sensor Now press the Mode button until the E symbol emissivity appears on the screen Using a small screwdriver or paper clip press and hold down the Emissivity button Use the UP and Down arrow buttons to set the...

Страница 4: ...ions Display 0 31 7 87mm 4 digit LCD display Sample rate 1 sec approx Laser power Laser power less than 1mW red 645 660nm Operating Temperature 32 F to 122 F 0 C to 50 C Operating Humidity Max 80 RH Power Supply 2 AAA batteries Battery Life 180 hrs typical without Laser and Back Light Weight 6 3oz 179g Size 6 9 x 1 5 x 2 8 175 x 39 x 72 mm Infrared Thermometer Specifications Range Resolution 76 to...

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