Measures Earth ground resistance - 3 point (fall of potential) or 2 point tests Automatically calculates resistivity - 4 point test Automatic voltage ...Amprobe Test Tools
4-Pole (4-Point) Fall-of-Potential measurement for very low resistance measurements with manual or automatic frequency selection and automatic lead ...Advanced Test Equipment Rentals
The GT400HDXL or GT400HDXLVMA provide quality testing for personal protective grounding assemblies. The GT Series Grounding Assembly Testers are ...Bierer & Associates Incorporated
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