FLUKE 707EX MA CALIBRATOR * Large display and simple, quick-click push rotary button for easy one-handed operation * Simultaneous mA and % readout for quick, easy, interpretation of readings. * mA accuracy of 0.015%, superior to other loop calibrators * 1 µA resolution for mA source, simulate and measure * Push button with 25% steps for fast, easy linearity checks * 0-100% "span check" for fast confirmation of zero and span * Selectable slow ramp, fast ramp, and step ramp to provide smooth outputs for valve slewing and loop functional tests * Internal loop supply, so you can power and read a transmitter at the same time without carrying a DMM * Measures Vdc to 28 V * Single 9 V battery that is easily changed * 0-20 mA or 4-20 mA default start up modes * Innovative output adjustment dial with 1 µA and 100 µA resolution * HART® compatible resistance is connected in series with the loop supply for compatibility with HART communicators