The accurate DC power supply, high precision LCD and special measuring supporting rack are integrated into an EN400 eddy current probe calibration instrument. The instrument panel can directly display the power supply of preamp and the probe gap voltage to calibrate an eddy current probe. The instrument can provide power supply for a preamp during installation to adjust the installation gap of probe.

    The instrument can be used to calibrate the probes of 8mm, 11mm, 14mm, 25mm, 35mm produced by Bently company in USA and the probes of PR6400, PR6423, PR6424, PR6425, PR6426 produced by Philips in Germany.