FLUKE Fluke-715 Process Calibrator, Current and Voltage. More details: Process Calibrator, Current and Voltage, Source Voltage 0 to 10VDC, Voltage Measurement Range 0 to 25VDC, Source Current 0 to 24mA, Current Measurement Range 0 to 24mADC, Accuracy +/-0.01% of Reading + 2 Counts, Loop Supply Voltage 24 VDC, Display 5 Digit LCD, Calibration Certificate NIST, Powered By 9V Battery, Includes Test Leads, Alligator Clips, Holster and Instructions