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Fluke 574CF


Precision Infrared Thermometer

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The maintenance professional’s precision diagnostic tools

Fluke 574 Precision Infrared Thermometer includes 572 features and the following:

  • DIF/AVG measurement calculations instantly computed
  • 100 temperature data logging capability for easy route review
  • 30 pre-set common material emissivity values for most accurate temperature readings
  • Audible and visible HI and LO temperature alarm for instant recognition
  • Thermocouple K probe input for contact temperature measurements with same unit
  • Customizable log names, alarms, and emissivity values for more efficient, less error-prone predictive maintenance routes

Unique to the 574 Model

  • Windows-based (Windows NT/ 2000/XP) software for data storage and analysis
  • Software to log, graph, and analyze temperature data via RS232 connection



Technical Specifications
Temperature range-30 to 900°C
(-25 to 1600 °F)
Display Resolution0.1°C of reading up to 900°C
0.2°F of reading up to 999.8°F
Distance to spot size60:1 Standard focus
50:1 Close focus
Minimum measurement diameter19mm (0.76 in) Standard focus
6mm (0.24 in) Close focus
Laser sightingThree point coaxial laser
EmissivityDigitally adjustable from 0.10 to 1.0 by 0.01
Display Accuracy[Assumes ambient operating temperature of 23°C(73°F) to 25°C(77°F)]
±0.75% of reading
±1% of reading or ±0.75°C (±1.5°F), whichever is greater
Response time250 mSec (95% of reading)
Repeatability±0.5% of reading or ±1°C (±2°F), whichever is greater
Spectral response8 μm to 14 μm
Laser SightingLaser turns off above ambient temperature of 40°C (104°F)
Laser PowerClass 2(II) operation; Output <1mW, wavelength 630-670 nm
Relative humidity10% to 90% RH non-condensing, at <30°C (86°F)
Tripod mount1/4 in. 20 UNC threading
PowerFluke 574: 2 AA batteries
Fluke 574: 2 AA batteries/ AC adapter
Fluke 576: 2 AA batteries/ USB
Battery life (alkaline)Fluke 574: 13 hours with laser and backlight on 50%
Fluke 574: 13 hours with laser and backlight on 50%
Fluke 576: 8 hours (13 hours with photographic mode off) 50 photos with flash; 200 photos w/o flash
Display hold7 seconds
LCD backlitYes
Warranty2 years
Operating temperature0°C to 50°C
32°F to 120°F
Storage temperature-20°C to 50°C
-25°F to 120°F
MAX, MIN temperaturesYes
DIF, AVG temperaturesFluke 574: No
Fluke 574: Yes
Fluke 576: Yes
Audible and visible alarmsFluke 574: Low
Fluke 574: High and low
Fluke 576: High and low
Bar graph displayYes
Up to 100 points data loggingFluke 574: No
Fluke 574: Data only
Fluke 576: Data plus photos
Data graphing and storage software (Windows compatible)Fluke 574: No
Fluke 574: Data only
Fluke 576: Data plus photos



Fluke 574CF Precision Infrared Thermometer Close Focus

  • Standard Fluke 574 accessories
  • Close Focus Option available for specialized applications, such as electrical components, features minimum measurement diameter 6mm (0.24") and Distance to Spot (D:S): 50:1.

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Fluke 574CF

Fluke 574CF

Precision Infrared Thermometer

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