产品特点：●操作简易●体积小、重量轻●前面板软件输入校正●内建5组程序内存●键盘锁定功能●具有遥控接口，实现自动测试●可与7305接地电阻抗测试器连接使用。产品型号：型号功能说明7110交流耐压测试仪(ACWithstandVoltageTester)7120交/直流耐压测试仪(AC/DCWithstandVoltageTester)7112交流耐压/绝缘测试仪(ACWithstandVoltage/InsulationTester)7122交/直流耐压/绝缘测试仪(AC/DCWithstandVoltage/InsulationTester))