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The Fluke 68 Infrared Thermometer 

The professional’s diagnostic tool 
 

The Fluke 68 non-contact thermometer is the ideal professional diagnostic tool for HVAC technicians 
performing room balance checks, electricians evaluating electrical connections and auto mechanics 
diagnosing catalytic converters. This handheld portable tool enables professionals to research heating and 
ventilation problems, monitor the status of electrical motors and electrical panels and diagnose car 
malfunctions with ease. It measures surface temperatures, helping to quickly locate potential blockages or 
malfunctioning systems reducing work time and improving performance. 

  Backlit display for poorly lit areas 

  Holds temperature readings 

  Logs temperature measurements to memory 

  Enhanced optics (distance to spot ratio up to 50:1) allow you to measure smaller 

objects from farther away 

  Displays minimum, maximum and average measurements  

  Adjustable emissivity setting for more accurate measurements 

  Rugged rubber overmolding 

  Durable plastic storage case 

  Spot:  Determine the absolute surface temperature of an object 

  Temperature differential:  Compare two spot measurements against each other 

 

Scanning:  Detect changes along a wide or continuous region target

 

Specifications 

 

Temperature range: 

-32 °C to 760 °C (-25 °F to 1400 °F) 

 

Distance to Spot size: 

50:1 

 

Laser sighting: 

 

Single point, offset 

 Emissivity: 

 

Adjustable 

 Accuracy: 

 

1% of reading or +1 °C (+2 °F), whichever is greater 

 

Response time: 

 

500 mSec 

 

MAX, MIN, DIF, AVG temperatures 

 

Recall last reading 

 HI/LO 

Alarm 

 

Protective Hard Case 

 

Weight/Dimensions: 

320g (11 oz) 200 x 160 x 55mm (8 x 6 x 2 in.) 

 

Power: 

 

9V Alkaline Battery 

 

Battery Life (Alkaline): 

10 hrs. w/laser & backlight on 20 hrs. w/laser and backlight off 

 Display 

Hold:   

seconds 

 Warranty: 

 

year 

 

Fluke 68 includes: 9 V alkaline battery, operator’s guide, CD with user manuals, durable 
hard case 
 
Optional accessories:  RTD temperature probe, Nylon holster, NIST Traceable 
Calibration Certificate (includes 1 yr warranty) 
 
Model  

Description 

Fluke 68  

Infrared Thermometer 

 

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