Product Description

Extech 382357 Clamp-on Ground Resistance Tester

The 382357 is a Clamp-On Ground Resistance Tester that enables non-contact measurements of ground conductors. True RMS AC Leakage current range of 0.2mA to 30A with 1.000mA resolution. Programmable Datalogging with 116 data points. Performs without the need for auxiliary spikes. Complete with 9V battery, Resistance check plate and durable metal storage case.

Features Extech 382357 Clamp-on Ground Resistance Tester

Autoranging ground resistance measurements from 0.03 to 1500 with 0.02 resolution
True RMS AC Leakage current range of 0.2mA to 30.00A
Programmable datalogging with 116 data points
Programmable Hi/Lo alarm
0.9″ (23mm) Jaw size for large ground rods
Simplifies ground resistance measurements on multiple point ground systems
Auto power off
Verification resistors confirm accuracy of meter
Automatic Self Calibration when powered on
9999 Count LCD display with Data Hold
Electrical Noise Detection feature prevents inaccurate readings
Data hold
Complete with 9V battery, Resistance check plate, and durable metal storage case

Specifications Extech 382357 Clamp-on Ground Resistance Tester

Specifications	Range	Resolution	Accuracy (%RDG)
Ground Resistance	0.025 to 0.25Ω	0.002Ω	±(1.5% + 0.05 )
	0.250 to 1.000Ω	0.02Ω	±(1.5% + 0.05 )
	1.001 to 9.999Ω	0.02Ω	±(1.5% + 0.1 )
	10.00 to 50.00Ω	0.04Ω	±(1.5% + 0.1 )
	50.01 to 99.99Ω	0.04Ω	±(1.5% + 0.5 )
	100.0 to 200.0Ω	0.4Ω	±(1.5% + 0.5 )
	200.1 to 400.0Ω	2Ω	±(5.0% + 5 )
	400.0 to 600.0Ω	5Ω	±(10% + 10 )
	600.1 to 1500Ω	20Ω	±20%
AC Leakage Current (Trms)	0.300 to 1.000mA	0.001mA	±(2.0% ± 0.05mA)
	1.00 to 10.00mA	0.01mA	±(2.0% ± 0.03mA)
	10.0 to 100.0mA	0.1mA	±(2.0% ± 0.3mA)
	100 to 1000mA	0.1mA	±(2.0% ± 0.3mA)
	0.20 to 4.00A	0.01A	±(2.0% ± 0.03A)
	4.00 to 30.00A	0.01A	±(3.0% ± 0.03A)
Resistance Test Frequency	1.667kHz
Dimensions	10.2 x 4.4 x 1.9” (258 x 110 x 47mm)
Weight	24.7oz (700g)