FLUKE 561

General Specifications

Temperature

-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

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 < 1 mW, wavelength 630-670 nm

Relative humidity

10% to 90% RH non-condensing, at < 30°C (86°F)

Power, battery life

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. Displays to the thermometer temperature range.

Thermocouple Type K fabric hook-and-loop fastener 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