The Digital Ground Resistance Tester Model 3640 performs ground resistance measurement. The Model 3640 is easy to use - simply connect the leads, press to measure, and read. The large LCD (nearly 3/4" high) also indicates low battery status, overrange, and lead reversals. The Model 3640 comes with 3 color coded terminals to aid in easy hookup. Three LED indicators on the front panel continuously warn the user of measurement problems to ensure accurate and reliable tests.
Features:
Fall-of-Potential method
Measures ground resistance (2- and 3-Point)
Autoranging: automatically selects the optimum range
Designed to reject high levels of noise and interference
Extremely simple to operate: connect - press - read
LED on faceplate informs operator of high input noise, high auxiliary rod resistance and fault connections