The Fluke 279 FC is a cost-effective 2-in-1 handheld True-RMS thermal multimeter integrating high-precision digital multimeter and infrared thermal imaging module, engineered for on-site fault troubleshooting, production line quality inspection and laboratory R&D of electrical distribution, motors, energy storage and consumer electronics devices. It simultaneously performs electrical parameter measurement and infrared hot spot scanning to safely locate overheating hazards on wires, connectors, switches and transformers from a safe distance. Supplied with iFlex flexible current probe, it accesses tight confined spaces to measure high AC current up to 2500 A. Equipped with built-in Fluke Connect wireless transmission, thermal images and waveform data sync to mobile phones in real time for one-click standardized test report export on site. Rated top-tier industrial safety CAT III 1000 V / CAT IV 600 V, 3-meter drop resistance and rechargeable lithium battery with over 10-hour field runtime, it acts as universal comprehensive test instrument for electricians, automation maintenance technicians and new energy industries.