Multimeter CalibratorClamp Type Multimeter Calibration Device,Digital Meter Calibrator,Multi Instrument Calibrator ... and below levels of digital multimeter, an analogue meter installation type digital instrument, including dc analog output of digital instrument; All ... (N = 1, 2, 3,...... 31); Phase adjustment range 0 ~ 359.99 °; Phase adjust fineness 0.01 °; Harmonic output 2 ~ 31, range ...