Key features Intrinsically safe multifunction process calibrator Meets I.S. Class I, Division 1 Groups B-D, 171°C compliance standards Measures volts DC, mA, RTDs, thermocouples, frequency, and ohms Sources or simulates volts DC, mA, RTDs, thermocouples, frequency and ohms www.fluke.com/en-us/product/intrinsically-safe/fluke-725ex?srsltid=AfmBOoq86ZpV8oYc_uJfnra-L0aUwzQA8HYCMr8xNzxE5GWeO80zEvyb