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ZC7305C Ground Resistance Tester

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ZC7305C Ground Resistance Tester

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0519-8852 0968 czshxu@163.com

Performance characteristics

Intelligent microprocessor control
Built-in constant current linear amplifier for accurate output
30A/510mQ application range
Automatic compensation of test line impedance, 5 sets of test program memory
Key-in software calibration, keyboard security lock
Can be connected with a withstand voltage tester for automatic testing

Technical index

Model	ZC7305C
Input power	47-63Hz，115/230VAC
Output constant current	0-30Aac constant current source, resolution 0.1A/step, accuracy: ± （2% setting value + 0.02A）
Output signal voltage	6Vac MAX （measured when open circuit）
Output signal frequency	50Hz/60Hz selectable
Resistance range	0- 120mQ (>10A)/1-510mQ (10A) Resolution: 1mQ/step, accuracy: （2% of reading value + 1 word）
Zero deviation	MAX 100mQ, resolution: 1mQ/step, accuracy: （2% setting value + 1 word）
Upper limit setting	Range: 0-510mQ Resolution: 1mQ/step Accuracy: （2% set value + 1 word）
testing time	Range: 0.5-999.9 seconds （O=continuous test）
Control interface	Input: Test （TEST）, Reset （RESET）Withstand voltage test（WITHSTAND PROCESSING）Output: Test passed （PASS）Test failed （FAIL） Test in progress （TEST-IN-PROCESS）
Test result output method	Buzzer, LCD display reading, control interface status output
Memory group	5 sets of test condition memory
monitor	16x2 LCD display with backlight