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TesterMeter-ZC7305C Ground Resistance Tester
Description
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 | ||
