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Fluke 561 HVACPro Infrared Thermometer

Fluke 561
Catalog #: 2558118
5 of 5
Free Gift From Fluke With Purchase


  • IR thermometer for quick measurements up close or at a distance, without a ladder
  • Compatible with all standard mini-connector K-type thermocouples
  • Velcro pipe probe for superheat, sub-cooling or other contact and ambient measurements
  • Single-point laser sighting
  • Temperature range optimized for HVAC/R applications
  • Easy emissivity adjustment for measuring pipes and ducts more accurately
  • Lightweight (only 340 grams (12 ounces)) and portable
  • Very easy to use
  • Efficient – no need to shut down equipment when making IR measurements
  • MIN, MAX and DIF temperature readings help you quickly identify problems
  • Scan large areas or small objects quickly and efficiently
  • HVAC/R measurement guide included to maximize your productivity
  • In the IR mode, you can take temperatures within two meters of the target and scan ducts from further away without a ladder. The laser sighting system guides measurements. The single laser dot indicates the approximate center of the measurement area. The measured area becomes larger with distance.
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List Price: $199.99
Sale: $160.87
  + Free shipping over $99

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Product Information

Lighten up your toolbox. The Fluke 561 HVACPro combines the temperature measurement functions that professionals need for most HVAC jobs, all in one tool. It measures both IR and contact temperature, replacing several other test tools. It’s fast, efficient and easy to use, saving you valuable time and effort.

With the Fluke 561, you can take contact and ambient temperatures in the way that’s best for you. Use the IR thermometer to measure hot, moving, electrically energized and hard-to-reach objects instantly. Check motors, insulation, breakers, radiant heating, pipes, corroded connections and wires. Plus, scan ducts from the floor—leave your ladder in the truck. You can use the Fluke 561’s handy Velcro® pipe probe or, to get the most out of your tool investments, plug in any industry-standard K-type mini-connector thermocouple probes you already own.

What's In The Box

  • K-type thermocouple Velcro Pipe Probe
  • Durable Hard Case
  • 2 AA Batteries
  • User’s Manual (available in English, Spanish, French, Italian, German, Portuguese, and Simplified Chinese)
  • 2-year Warranty


Temperature Range -40 to 550 °C (-40 to 1022 ° F)
Display Resolution 0.1°C (0.1 °F) of reading
D S (Distance to spot size) : 12:1
Easy Emissivity Selector Adjustable with three settings: Low (0.3), Medium (0.7). High (0.95)
Display Accuracy
[Assumes ambient operating temperature of 23°C(73°F) to 25°C(77°F)]
±1.0 % of reading ±1 % of reading or ±1 °C (±2 °F), whichever is greater below 0 °C/32 °F, ±1 °C (±2 °F) ± 0.1°/1°
Response Time 500 mSec (95 % of reading)
Repeatability ±0.5 % of reading or ±1 °C (±2 °F), whichever is greater
Spectral Response 8 μm to 14 μm
Laser Sighting Single point laser
Laser Shutoff Laser turns off above ambient temperature of 40 °C (104 °F)
Laser Power Class 2(II) operation; Output <1mW, wavelength 630-670 nm
Relative Humidity 10 % to 90 % RH non-condensing, at <30 °C (86 °F)
Power 2 AA batteries (alkaline or NiCD)
Battery Life 12 hours
Display Hold 7 seconds
Backlit Display Yes, LCD with dual temperatures (current and MAX/MIN/DIF/KTC), low battery, F/C indicator, and Scan/Hold options
Warranty 2 years
Operating Temperature 0 °C to 50 °C (32 °F to 120 °F)
Storage Temperature -20 °C to 65 °C (-25 °F to 150 °F)
MAX, MIN, DIF Temperatures Yes
Thermocouple Type K Mini Adapter Input Yes, compatible with industry standard K type probes with mini-connector.
Thermocouple Type K Velcro Pipe Probe Yes, with a temperature range of 0 °C to 100 °C (32 °F to 212 °F) and accuracy of ±2.2 °C (±4 °F)
HVAC Measurement Guide Yes

Fluke 561 Product Specifications Summary:
(for full specs please see the full specs tab or the data sheet)

Thermometers/IR Thermometers Template

IR Temperature Max1022 F
IR Temperature Min-40 F
Field View Ratio (Spot Ratio) What's This?12:1
Accuracy± 1.0 % of reading or ± 1 °C (± 2 °F), whichever is greater;
below 0 °C (32 °F), ± 1 °C (± 2 °F) ± 0.1°/1°
Laser Pointer What's This?Yes
Emissivity Adjustable What's This?Yes 
Data Hold What's This?Yes
Max./Min. What's This?Yes 
Memory Recall What's This?No
Thermocouple Input What's This?Yes

Test Equipment General Attributes

Unique FeaturesIR thermometer for quick measurements up close, or at a distance, without a ladder.
Contact thermometry capability, compatible with all standard mini-connector type K thermocouples, preserves your investment in thermocouples.
Fabric hook-and-loop fastener pipe probe for superheat and sub-cooling and other contact and ambient measurements.
Single-point laser sighting.
Temperature range of -40 °C to 550 ° C (-40 °F to 1022 °F) covers most industrial and residential applications.
Easy emissivity adjustment (Lo, Med, Hi) for measuring pipes and other shiny materials more accurately.
Lightweight (just 12 ounces/340 grams) and portable.
Efficient – no need to shut down equipment when making IR measurements.
MIN, MAX, and DIF functions help you quickly identify problems.
Scan large areas or small objects quickly and efficiently.
Warranty2 YEARS
Calibration IncludedNone
Power Supply VoltageBattery Powered
Safety ApprovalCE
Data Logging What's This?No
Product Weight1.59 LBS
Battery TypeAA 
Product Height11.42 IN
Product Length7.64 IN
Product Width2.87 IN
Shipping Weight2.48 LBS
Country of OriginChina
Shipping Height11.42 IN
Shipping Length7.64 IN
Shipping Width2.87 IN


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