Key features
• Powerful, easy-to-use, high-accuracy temperature calibrator
• Test and calibrate temperature sensors and transmitters
• Measures 4 to 20 mA loops and can provide loop power
• Measures RTDs, thermocouples, ohms, and volts
• Source/simulates thermocouples, RTDs, volts, and ohms

• Be aware of voltage easily - the tip glows red and a beeper sounds when voltage is detected

• Continuous self-test so you always know it’s working

• Voltage detection range for wide application use - 90 V to 1000 V AC or 200 V to 1000 V AC

• Audible/Silent mode for added convenience

IR thermometer with type K thermocouple capability



Lighten up your toolbox. The Fluke 561 contact and IR thermometer combines the temperature measurement functionality needed by industrial, electrical and HVAC/R professionals, all in one tool. It also measures infrared and contact temperature, eliminating the need to use separate test equipment. Fast, efficient and easy to use, saving you valuable time and effort.



With the Fluke 561 infrared thermometer , you can also take contact and ambient temperature measurements in the way that suits you best. Use an IR thermometer to instantly measure hot, moving, electrified and hard-to-reach objects. Inspect motors, insulation, circuit breakers, radiant heat, pipes, corroded joints, and cables. Plus, scans for ducts, and other hard-to-reach objects, right from the floor. Just leave your ladder in the truck. You can use the flexible and handy Fluke 561 scanner tubing, or plug in any thermocouple probe with the industry standard mini-type K connector you already have to measure superheat or internal temperature.

The Fluke 1550C performs digital insulation testing up to 5 kV, and makes data collection easy through the Fluke Connect™ wireless app. Remote operation lets you spend as little time as possible in potentially hazardous zones. Real-time trending shows a live graph on your phone, rather than a hard-to-read set of changing values. And you can create reports quickly, using pre-designed templates that you can customize with company logos. It’s the perfect tool for preventive or predictive maintenance programs designed to identify potential equipment failures before they occur. And it comes with a three-year warranty and CAT IV 600 V safety rating.
Other useful features
• Automatic calculation of Dielectric Absorption (DAR) and Polarization Index (PI) with no additional setup
• Guard system eliminates the effect of surface leakage current on high-resistance measurements
• Selectable test voltages in 50 V steps from 250 V to 1000 V, and 100 V steps above 1000 V
• CAT III 1000 V, CAT IV 600 V safety rating
• Warning function alerts the user that line voltage is present and gives the voltage reading up to 600 V AC or DC for increased user safety
• Measurements can be stored in up to 99 memory locations, with each location assigned a unique, user defined, label for easy recall
• Long battery life gives the user over 750 tests between charges
• Large digital/analog LCD for easy viewing
• Capacitance and leakage current measurement
• Ramp function for breakdown testing
• Resistance measurements up to 2 TΩ
• Timer settings up to 99 minutes for timed tests
• 3-year warranty

Key Features
• Quickly configure, start and stop tests remotely, a safe distance away from any operating, energized equipment, using Fluke Connect® and a smart phone
• Real time trending gives you easy-to-see visual cues
• Report creation using Fluke Connect desktop saves time and makes test results easier to understand
• Fluke Connect saves test results to the cloud for analysis and preventive maintenance