Dual infrared and thermocouple thermometer for noncontact or contact temperature measurement in HVAC/R systems and manufacturing, electrical, and industrial environmentsMeasures temperature from 40 to Plus-550 degrees C ( 40 to Plus-1022 degrees F) with an accuracy of plus or 1 degree C (plus or 2 degrees F) for the infrared sensor and an accuracy of plus or 2 degrees C (plus or 4 degrees F) or 1 percent of the reading, whichever is greater, for type K thermocouple input12:1 infrared distance to spot ratio with laser sighting for pinpointing the measurement areaIncluded type K thermocouple pipe probe wrapped in flexible hook and loop fastener with a 20 inch cable takes contact measurements from 0 to 100 degrees C (32 to 212 degrees F)CE mark indicates compliance with applicable EU directives
The Fluke 561 infrared thermometer is easy to use: just aim, pull the trigger, and read the display. The large backlit display shows the temperature readings in °F or °C, and has a low battery indicator. The thermometer has a unique emissivity selector, which allows you to select from three preset settings. This feature makes it easy to choose the correct emissivity setting for a given application. Other features include Min/Max, scan/hold, display hold, temperature differential, Type K thermocouple input, and dual temperature readout. The meter comes standard with a pipe wrap probe ideal for use in HVAC applications; however, any Type K probe with a mini connector can be used. Available for sale in the United States and Canada only. Designed for the HVAC market, with features that can be used in any IR application Single point laser targets the measurement area. Unique emissivity selector makes it easy for anyone to use. Advanced Superheat feature calculates temperature differential.
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| Fluke 568 | Fluke 566 | Fluke 561 |
| Infrared temperature rang | -40°C to 800°C (-40°F to 1472°F) | -40°C to 650°C (-40°F to 1202°F) | -40 to 550°C (-40 to 1022°F) |
| Infrared accuracy | < 0°C (32°F): ±(1.0°C (±2.0°F) + 0.1°/1°C or°F); whichever is greater | < 0°C (32°F): ±(1.0°C (±2.0°F) + 0.1°/1°C or°F); whichever is greater | |
| Thermocouple Type-K input temperature range | -270°C to 1372°C (-454°F to 2501°F) | -270°C to 1372°C (-454°F to 2501°F) | |
| D:S (distance to measurement spot size) | 50:1 | 30:1 | 12:1 |
| Data storage with date/time stamp | 99 points | 20 points | |
| Hi/Low alarms | Audible and two-color visual | Audible and two-color visual | |
| Min/Max/Avg/Dif | Yes | Yes | Yes |
| Backlight | Two levels, normal and extra bright for darker environments | Two levels, normal and extra bright for darker environments | Yes, LCD with dual temperatures (current and MAX/MIN/DIF/KTC), low battery, F/C indicator, and Scan/Hold options |
| Power | 2 AA/LR6 Batteries and USB when used with a PC | 2 AA/LR6 Batteries | 2 AA batteries (alkaline or NiCD) |
