Product selection guide: IR thermometers | Fluke
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Product selection guide: IR thermometers

Use our product selection guide to find the thermometer that fits your needs best.
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Fluke 561 Infrared and Contact Thermometer
Fluke 568 Ex Intrinsically Safe Infrared Thermometer
561 HVAC Infrared & Contact ThermometerFluke 568 Ex Intrinsically Safe Infrared Thermometer
Recommended usesPlant / general maintenance, HVACElectrical, refining, pharmaceutical, process industries, mechanical, plant, diesel, HVAC 
Probe typeThermocouple KThermocouple K 
Number of inputs11 
Temperature range-40 °C to +550 °C (-40 °F to +1022 °F)-270 °C to +1372 °C (-454 °F to +2501 °F) 
What temperature range do you need to measure?500 °C (+932 °F)-40 °C to +800 °C (-40 °F to +1472 °F) 
Will you be measuring objects 200 °C (400 °F), moving, uncontaminatable, energized objects or difficult to reach objects?   
Will you be working from greater than 5 m (15 ft)?  
Non-contact temperature range500 °C (+932 °F)-40 °C to +800 °C (-40 °F to +1472 °F) 
SightingLaser pointLaser point 
Typical distance to targetUp to 2.5 m (7 ft)Up to 7.5 m (25 ft) 
AccuracyGreater of ± 1 % or ± 1.0 °C (± 2.0 °F) 
Distance to spot (D:S)50:1 
Form factorPistolPistol 
Dimensions, approximate (H x W x D)17.5 x 15.5 x 4 cm (7 x 6.5 x 1.7 in)17.69 x 5.18 x 16.36 cm (6.965 x 2.039 x 6.441 in) 
CaseHard case (except 561/R& 561/P)Hard case 
Warranty2 years2 years 
Battery3 AAA 
Temperature areaInternal, ambient and non-contact surface temperatureInternal, ambient and non-contact surface temperature 
Do you want to use industry standard thermocouples?   
Will you use the thermometer in a hazardous location where there might be explosive gases?  
Min-Max-Avg-DifMin-Max-Avg-DifMin-Max-Avg-Dif 
Material type adjustment (emissivity)HI/MED/LOMaterial table or 0.1 to 1.00 by 0.01 
Soft-key feature menu navigation  
Multiple language interface  
English, French, Chinese, Spanish, Portuguese, German user interface  
High and low alarmsHigh and low alarms 
Hazardous location approval  
Hands-free logging  
Number of on-board memory locations99 
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