ZC7305C Earth Resistance Tester
ZC7305C Earth Resistance Tester
ZC7305C Earth Resistance Tester
ZC7305C Earth Resistance Tester

ZC7305C Earth Resistance Tester

性能特点: 智能型微处理器控制 内建恒流线性放大器精确输出 30A/510mΩ应用范围 测试线阻抗自动补偿,5组测试程式记忆 键入式软件校正,键盘安全锁定 可连接耐压测试仪做自动测试

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Performance Characteristics

  • 智能型微处理器控制
  • 内建恒流线性放大器精确输出
  • 30A/510mΩ应用范围
  • 测试线阻抗自动补偿,5组测试程式记忆
  • 键入式软件校正,键盘安全锁定
  • 可连接耐压测试仪做自动测试

Technical indicators

model number ZC7305C
Input Power 47-63Hz,115/230VAC
输出恒定电流    0-30Aac恒流源,分辨率0.1A/step

准确度:士(2%设定值+0.02A)

输出信号电压 6Vac MAX(开路时测量)
输出信号频率 50Hz/60Hz selectable
Resistance range 0- 120mΩ(>10A)/1-510mΩ (10A)

分辨率:1mΩ/step,准确度:(2%读数值+1个字)

零点偏差        MAX 100mΩ,分辨率:1mΩ/step

准确度:(2%设定值+1个字)

upper limit setting          范围:0-510mΩ  分辨率:1mΩ/step

准确度:(2%设定值+1个字)

Testing time 范围:0.5-999.9秒(O=连续测试)
control interface      输入:测试(TEST),复位(RESET)

耐压测试中(WITHSTAND PROCESSING)

输出:测试通过(PASS)测试失败(FAIL)

测试进行中(TEST-IN-PROCESS)

Test Result Output Method Buzzer, LCD display of readings, control interface status outputs
memory bank 5组测试条件记忆
monitor (computer) 16x2带背光LCD显示器
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ZC7305C Earth Resistance TesterZC7305C Earth Resistance Tester

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