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561 HVAC Infrared & Contact Thermometer

561 HVAC Infrared & Contact Thermometer is rated 4.9 out of 5 by 12.
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  • Fluke 561 Infrared and Contact Thermometer
  • Fluke 561 Infrared and Contact Thermometer

Key features

  • Contact and non-contact IR thermometer for measuring up close or at a distance, without a ladder
  • Measures temperature from -40°C to 550° C (-40°F to 1022°F)
  • Works with all standard mini-connector type K thermocouples
  • Provides single-point laser sighting
  • Allows easy emissivity adjustment for measuring pipes and other shiny surfaces more accurately

Product overview: 561 HVAC Infrared & Contact Thermometer

Fluke 561 IR and contact thermometer meets the needs of most industrial and residential temperature applications

The Fluke 561 IR contact thermometer combines the temperature measurement functions that industrial, electrical, and HVAC/R professionals need in one tool. It is an IR thermometer for non-contact measurements, with K-type thermocouple capability for contact temperature measurement. It's fast, efficient, and easy to use, saving you valuable time and effort.

Use the 561 IR capabilities to scan large areas or small objects quickly and efficiently, without having to shut down equipment. 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, and other hard-to-reach objects from the floor and leave your ladder in the truck.

You can also use the Fluke 561's handy flexible pipe probe (included) to take super-heat or internal temperatures. Or plug in any industry standard type K mini connector thermocouple probe to take those measurements and preserve your investment in thermocouples you already own.

Other useful features:

  • Features fabric hook-and-loop fastener pipe probe for superheat, sub-cooling, and other contact and ambient measurements
  • Provides MIN, MAX, and DIF functions to help you quickly identify problems
  • Weighs only 12 ounces/340 grams) and is extremely easy to use

Specifications: 561 HVAC Infrared & Contact Thermometer

General Specifications
Temperature-40 to 550°C (-40 to 1022°F)
Display resolution0.1°C (0.1°F) of reading
D:S (distance to spot size)12:1
Easy emissivity selectorAdjustable 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 time500 mSec (95% of reading)
Repeatability±0.5% of reading or ±1°C (±2°F), whichever is greater
Spectral response8 µm to 14 µm
Laser sightingSingle point laser
Laser shutoffLaser turns off above ambient temperature of 40°C (104°F)
Laser powerClass 2(II) operation; Output < 1 mW, wavelength 630-670 nm
Relative humidity10% to 90% RH non-condensing, at < 30°C (86°F)
Power, battery life2 AA batteries (alkaline or NiCD)
Battery life12 hours
Display hold7 seconds
Backlit displayYes, LCD with dual temperatures (current and MAX/MIN/DIF/KTC), low battery, F/C indicator, and Scan/Hold options
Warranty2 years
Operating temperature0°C to 50°C (32°F to 120°F)
Storage temperature-20°C to 65°C (-25°F to 150°F)
MAX, MIN, DIF temperaturesYes
Thermocouple Type K mini adapter inputYes, compatible with industry standard K type probes with mini-connector. Displays to the thermometer temperature range.
Thermocouple Type K fabric hook-and-loop fastener pipe probeYes, 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 guideYes

Models: 561 HVAC Infrared & Contact Thermometer

Fluke 561
Fluke 561 Infrared and Contact Thermometer
Buy it

Includes:

  • K-Type thermocouple
  • Fabric hook-and-loop fastener pipe probe
  • Hard carrying case
  • 2 AA batteries
  • Users manual

Please explain the accuracy &plusmn;1.0% of reading &plusmn;1% of reading or &plusmn;1&deg;C (&plusmn;2&deg;F), whichever is greater below 0&deg;C / 32&deg;F, &plusmn;1&deg;C (&plusmn;2&deg;F) &plusmn;0.1&deg;/1&deg;. Our requirement is &plusmn;1&deg;C accuracy for the range of -40 to +20 &deg;C, will it comply our required accuracy?

Asked by: Nasir
&lt;0 1 &deg;c: &plusmn;(1.0 &deg;c + 0.1 &deg;/1&deg;c means less then 0 degrees C it is + or - 1 degree C then add 0.1 degree C per 1 degree C. Then greater than 0 degrees C it is + or - 1% of the reading or 1 degree C, which ever is greater ( the % or the 1 degree C). The Fluke-561 does not have the accuracy required.
Answered by: FlukeCorporation
Date published: 2024-05-01

This 561 model can be used for measuring children &amp; adult body temperature. thru non contact measurement

Asked by: santhosh
Fluke does not recommend any of our IR thermometers for measuring human body temperature.
Answered by: FlukeCorporation
Date published: 2023-12-07

Does this infrared thermometer come with a calibration certificate?

Asked by: DA11
The 561 HVAC Infrared &amp; Contact Thermometer does not come standard with a Certificate of Calibration, but one can be special ordered if needed
Answered by: FlukeCorp
Date published: 2023-03-07
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Rated 5 out of 5 by from simple to use and envinomnentally tough. Using them for 2 decades and will use no other. The environment that they are used in is very demanding.Fluke hold up to the tasks.
Date published: 2023-01-18
Rated 5 out of 5 by from Rugged, Reliable Was looking for an IR thermometer capable of a wide temperature range - one that would also be able to stand the test of time. I should note, I'm also going back and replacing a number of meters/testers that I've used for a number of years and have landed on Fluke as my replacement brand.
Date published: 2020-07-04
Rated 5 out of 5 by from We needed accurate and you came through We having issues with our welding rod oven's thermometers not being accurate. We have to throw welding rod away if it gets overheated. The factory thermostats we inconsistent and varied from oven to oven. We bought (2) 561 infrared thermometers to monitor our ovens. We were able to get our ovens all adjusted accurately and test them daily. We have not wasted a single weld rod in over a year since we purchased 561's. This has saved us $3000+ a year we were losing because of inaccurate rod ovens. Thank-You Fluke!
Date published: 2016-12-07
Rated 5 out of 5 by from Don't settle for less I have been using my 561 Thermometer for years now. After comparing it to many other models on the market I have to say that is the most accurate IR thermometer I have used. It is a must-have tool in my kit as a refrigeration technician. I've been able to increase the speed of my diagnostics and confirmation of work performed.
Date published: 2016-12-07
Rated 5 out of 5 by from Easy to use and good to read I am using this on different conditions and works very good. Easy to use and read in dark.
Date published: 2016-12-07
Rated 5 out of 5 by from Love it never do a job without using it. very easy to use just point and shoot
Date published: 2012-10-29
Rated 5 out of 5 by from thermometer accurate good for solar panels ,combiner boxes,inverter
Date published: 2012-07-11
Rated 5 out of 5 by from Absolutley accurate I have use this particular product for a year,and it has been dead on target each,and every time. It is the of the finest quality,we cover a combined 13 buildings and we have purchased three after the initial purchase. We have an establishe bac-net protocol and we use matasys from Johnson Controls,Ice from York,and Trane chillers you can check anything with it ,and you'll have a correct reading warranty,great product
Date published: 2012-06-14
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