... for a variety of environmental practicesAutomatic test probe frequency, automatic optimization square width of the probe and ... range :0-12000mm, the minimum display range 0.1mmOperating Frequency: 0.3 ~ 20MHz, sub-broadband, narrowband two ... 12-step adjustmentDetector mode: positive, negative, bi-directional, radio frequency (RF)Monitoring Gate: two independent measurement of gateEcho Evaluation ...