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Model 42530 Version 2.4  11/05 

Meter Description 

 

1. LCD 

Display 

2. Function 

Buttons 

3. Handle 

Grip 

4. Laser 

Pointer 

5. IR 

Sensor 

6. Measurement 

Trigger 

7. Battery 

Compartment 

 

 

 

 

 

Operating Instructions 

1. 

Hold the meter by its 

Handle Grip

 and point it toward the surface to be measured. 

2. 

Pull and hold the red 

Trigger

 to turn the meter on and begin testing. The display 

will light if the battery is good. Replace the battery if the display does not light. 

3. 

While measuring, the SCAN display icon will appear in the upper left hand corner 
of the LCD. 

4. 

While continuing to pull the Trigger:  

a.  Push the red 

Laser

 button to turn on the laser pointer. When the laser is on the 

laser icon       will appear on the LCD over the temperature. Aim the red beam 
approximately a half inch above the point of test (pressing the Laser button 
again turns the laser off). 

b.  Select the temperature units (

o

C or 

o

F) using the blue 

o

C

 and 

o

F

 buttons. 

c. Push 

the 

yellow 

Backlight

 key to turn on the LCD backlighting function. 

5. 

Release the Trigger and the HOLD display icon will appear on the LCD indicating 
that the reading is being held. 

6. 

The meter will automatically power down after approximately 7 seconds after the 
trigger is released. 

 

Overrange Indicator 

If the temperature being measured exceeds 1000°F (538°C), the thermometer will emit an 
audible warning and the OVER icon will be displayed on the LCD. 

 

 

 

 
 
 
 
 
 


 

 
 
 
 

 
 
 
 
 
 
 
 

Summary of Contents for 42530

Page 1: ...e Model 42530 IR Thermometer This thermometer makes non contact infrared temperature measurements at the touch of a button The built in laser pointer increases target accuracy while the backlit LCD and handy push buttons combine for convenient ergonomic operation Proper use and care of this meter will provide years of reliable service ...

Page 2: ... not be liable for any direct indirect incidental or consequential damages Extech s total liability is limited to repair or replacement of the product The warranty set forth above is inclusive and no other warranty whether written or oral is expressed or implied Safety Use extreme caution when the laser pointer beam is on Do not point the beam toward anyone s eye or allow the beam to strike the ey...

Page 3: ...d Laser button to turn on the laser pointer When the laser is on the laser icon will appear on the LCD over the temperature Aim the red beam approximately a half inch above the point of test pressing the Laser button again turns the laser off b Select the temperature units o C or o F using the blue o C and o F buttons c Push the yellow Backlight key to turn on the LCD backlighting function 5 Relea...

Page 4: ...s 6 The meter compensates for deviations in ambient temperature It can however take up to 30 minutes for the meter to adjust to extremely wide ambient temperature changes 7 To find a hot spot aim the meter outside the area of interest then scan across in an up and down motion until the hot spot is located Battery Replacement When the low battery symbol appears on the LCD replace the meter s 9V bat...

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