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Model 42530 Version 2.4  11/05 

Warranty 

EXTECH INSTRUMENTS CORPORATION warrants this instrument to be free of defects in parts and 
workmanship for three (3) years from date of shipment (a six month limited warranty applies on sensors and 
cables). If it should become necessary to return the instrument for service during or beyond the warranty 
period, contact the Customer Service Department at (781) 890-7440 ext. 210 for authorization or visit our 
website at www.extech.com  (click on ‘Contact Extech’ and go to ‘Service Department’ to request an RA 
number). A Return Authorization (RA) number must be issued before any product is returned to Extech. The 
sender is responsible for shipping charges, freight, insurance and proper packaging to prevent damage in 
transit. This warranty does not apply to defects resulting from action of the user such as misuse, improper 
wiring, operation outside of specification, improper maintenance or repair, or unauthorized modification. Extech 
specifically disclaims any implied warranties or merchantability or fitness for a specific purpose and will 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 eye from a reflective surface 

 

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

 

 

Specifications 

Infrared Thermometer Specifications 

Range / Resolution 

-58 to 1000

o

F (-50 to 538

o

C) 

0.1°C/F<200 / 1

o

C/F> 200 

Accuracy 

± 2% of reading or ± 4

o

F (2

o

C) whichever is greater. 

Note: Accuracy is specified for the following ambient 
temperature range: 64 to 82°F (18 to 28°C) 

Emissivity 

0.95 fixed value 

Field of View 

D/S = Approx. 8:1 ratio (D = distance, S = spot) 

Laser power 

Less than 1mW 

Spectral response 

6 to 14 

µ

m (wavelength) 

General Specifications 

Display  

3

½ 

digit backlit LCD display with function indicators

 

Display rate 

1 second approx. 

Operating Temperature  

32°F to 122°F (0°C to 50°C) 

Operating Humidity 

Max. 80% RH 

Power Supply 

9V battery 

Automatic Power Off 

Meter shuts off automatically after 7 seconds 

Weight       

6.35 oz. / 180g 

Size        

8.3 x 3.5 x 1.5” (211 x 89 x 38mm) 

 

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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