Fluke 724 Temperature CalibratorFluke 724 Temperature Calibrator Everything you need to troubleshoot and calibrate temperature sensors and transmitters The Fluke 724 is powerful yet easy to use temperature calibrator that sources and measures 10 thermocouple types, and 7 RTD types, plus volts and ohms. It also measures mA while simultaneously supplying loop power to the transmitter. Use it to test and calibrate almost any temperature instrument, so you only need one tool to expertly