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 64 Max
561 HVAC Infrared & Contact ThermometerFluke 64 MAX IR Thermometer
Recommended usesPlant / general maintenance, HVACShort-range troubleshooting, electrical, HVAC, industrial 
Probe typeThermocouple K 
Number of inputs1 
Temperature range-40 °C to +550 °C (-40 °F to +1022 °F) 
What temperature range do you need to measure?500 °C (+932 °F)-30 °C to +650 °C (-22 °F to +1202 °F) 
Will you be measuring objects 200 °C (400 °F), moving, uncontaminatable, energized objects or difficult to reach objects?  
Non-contact temperature range500 °C (+932 °F)-30 °C to +650 °C (-22 °F to +1202 °F) 
SightingLaser pointLaser point 
Typical distance to targetUp to 2.5 m (7 ft) 
Accuracy± 1.0 °C or ± 1.0 % of reading, whichever is greater, ± 2.0 °C or -10 °C to 0 °C, ± 3.0 °C at -30 °C to -10 °C 
Distance to spot (D:S)20:1 
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)175 x 85 x 75 mm (6.88 x 3.34 x 2.95 in) 
CaseHard case (except 561/R& 561/P) 
Warranty2 years3 years 
BatterySingle AA Battery; 8 hours typical with lasers and backlight on 
Temperature areaInternal, ambient and non-contact surface temperatureInternal, ambient and non-contact surface temperature 
Do you want to use industry standard thermocouples?  
Min-Max-Avg-DifMin-Max-Avg-DifMin-Max-Avg-Dif 
Material type adjustment (emissivity)HI/MED/LOPreset to 0.95, adjustable by user 
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