Fluke 561 Infrared and Contact Thermometer

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 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 µ m to 14 µ m 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, 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