The AEMC Model 6416 Ground Resistance Tester measures ground rod and grid resistance and impedance without 
	the use of auxiliary rods. Clamp-on ground resistance testers can be used in multi-grounded systems without 
	disconnecting or de-energizing the ground system under test it. The Model 6416 simply clamps around the 
	grounding electrode or conductor and measures the resistance to ground. By performing measurements on intact 
	ground systems, the user also verifies the quality of the grounding connections and bonds. Resistance and 
	continuity of grounding loops around pads and buildings may also be measured.
	The 6416 includes a high sensitivity measurement function enabling measurement of leakage current flowing to 
	ground or circulating in ground loops from 0.2mA to 40A and resistances from 0.01 to 1500Ω. It also offers 
	battery life information at power-up and Auto Power OFF power management. The Buzzer and Auto Power OFF features 
	may be disabled at any time.
	Applications for the 6416 include:
	- Ground electrode system resistance
 
	- Bonding/continuity checks
 
	- Cell tower grounding verification
 
	- Ground measurements on Railroad signaling systems