Fluke FLUKE-561

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 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 Humitity 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