Fluke 561 Catalog Page

561 Multipurpose Thermometer

Combined Infrared and Contact Thermometer

The Fluke 561 combines the temperature measurement functions that industrial, electrical, and HVAC/R professionals need, 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, and other hard-to-reach objects from the floor—leave your ladder in the truck. You can use the Fluke 561’s

Fluke 561 handy Velcro® pipe probe or, plug in any industry standard, K-type mini-connector

thermocouple probe you already own.

•IR thermometer for quick measurements up close or at a distance

•Single-point laser sighting

•Easy emissivity adjustment for measuring pipes and ducts more accurately

•Includes a Velcro pipe probe for superheat and sub-cooling as well as other surface contact measurements

•Also compatible with all standard miniconnector K-type thermocouples

•MIN, MAX and DIF temperature readings

•Lightweight (only 340 grams) and portable

•Includes measurement guide

The Fluke 561 includes everything you need for immediate inspections.

Included accessories

Thermocouple K-type Velcro pipe probe, hand carrying case, 2 AA batteries and user manual with measurement guide.

Ordering information

Fluke 561 HVACPro Thermometer

	Specifications



Temperature range	-40° to 550°C
Display resolution	0.1° 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	± 1.0% of reading or ± 1°C, whichever is greater; below 0°C, ± 1°C, ± 1°/1°
temperature of 23° to 25°C)
Response time	500 mSec (95% or reading)
Repeatability	± 0.5% of reading or ± 1°C, whichever is greater
Spectral focus	8 μm to 14 μm
Laser sighting	Single-point laser
Laser shutoff	Laser turns off above ambient temperature of 40°C
Laser power	Class 2 (II) operation; output ‹ 1 mW, wavelength 630 nm to 670 nm
Relative humidity	10% to 90% RH non-condensing, at < 30°C
Power	2 AA batteries (alkaline or NiCD)
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
Operating temperature	0° to 50°C
Storage temperature	-20 to 65°C
MAX, MIN, DIF temperatures	Yes
Thermocouple type K mini-adapter input	Yes, compatible with industry standard type K probes with mini-connector
Thermocouple type K Velcro pipe probe	Yes, with a temperature range of 0° to 100°C and accuracy of ± 2.2°C
Measurement guide	Yes
Battery Life (alkaline): 12 hours	Weight: 0.34 kg
Size (HxLxW): 176,9 x 163,6 x 51,8 mm	Two years warranty

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