Automatic frequency control(AFC) is automatically identified interference frequency and then selected the proper measurement frequency, so that reduced the affect of interference voltage;3 pole & 4 pole method is used to measure earth resistance;Current Clamp selection method is used to measuring earth resistance without breaking grounding connection;Automatically measuring the interference voltage and the leakage current;ata storage function and uploading to PC by USB2.0 interface
Trustpilot
4 days ago
1 day ago