ZC7305C Grounding Resistance TesterDetailed product description：

ZC7305C Grounding Resistance Tester

Performance characteristics:
Intelligent microprocessor control
Built in constant current linear amplifier for precise output
Application range of 30A/510m Ω
Test line impedance automatic compensation, 5 sets of test program memory
Typing software calibration, keyboard security lock
Can be connected to a voltage tester for automatic testing

model	ZC7305C
input power	47-63Hz,115/230VAC
Output constant current	0-30Aac constant current source Resolution 0.1/step Accuracy: ± (2% set value+0.02A)
Output signal voltage	6Vac MAX (measured when open circuit)
Output signal frequency	50Hz/60Hz selectable
Resistance range	0-120mΩ(>10A)/1-510mΩ（10A） Resolution: 1m Ω/step, Accuracy: (2% reading value+1 word)
Zero point deviation	MAX 100m Ω, resolution: 1m Ω/step Accuracy: (2% set value+1 word)
Upper limit setting	Range: 0-510m Ω Resolution: 1m Ω/step Accuracy: (2% set value+1 word)
Test time	Range: 0.5-999.9 seconds (0=continuous test)
control interface	Input: TEST, RESET During withstand voltage testing (WITHSTAND PROCESS)
	Output: Test passed (PASS) Test failed (FAIL) Testing in Progress (TEST IN ROCESS)
Test result output method	Buzzer, LCD display reading, control interface status output
memory group	5 sets of test condition memory
monitor	16 * 2 backlit LCD display

ZC7305C Grounding Resistance Tester