Fluke 705 Loop Calibrator, 28V Voltage, 24mA Current, 0.025 percent Accuracy A large display and simple, pushbutton interface for ease of use Simultaneous mA and percent readout for quick, easy interpretation of readings; mA accuracy of 0.02 percent Push button 25 percent steps for fast, easy linearity checks; save time over traditional knob type controls Span check for fast confirmation of zero and span 3 year warranty