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ZC7305C Ground Resistance Tester

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

Key words:Electronic testing and measuring instruments

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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

Related file download

7305C manual

156.5KB

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