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详细内容
东莞市塘厦佳华电子有限公司 联系人: 冉（先生） 经理 联系手机： 、 电话：0769- 服务QQ： 邮箱：ranlc.com
主要特点
交/直流耐压、绝缘阻抗、接地阻抗测试 20 × 2 点矩阵OLED 显示器可选配内建4组或8组高压矩阵式扫描信道（7420, 7430 & 7440） 内建50组程序记忆、每一组8个测试步骤可进行程序记忆步骤的连结测试测试线路阻抗自我归零校整功能，确保测试结果的准确性前面板软件输入校正内建PLC Remote遥控界面键盘锁定功能可外接标准GPIB、USB & RS232、Printer Card 作控制全范围电压输出的稳压率在1%以内
详细介绍
介绍；
| MODEL | 7410 | 7420 | 7430 | 7440 |
| AC WITHSTAND VOLTAGE | ||||
| Output Rating | 5KVAC / 30mA | 5KVAC / 30mA | 5KVAC / 40mA | 5KVAC / 40mA |
| | Range | Resolution | Accuracy | |
| Output Voltage,ACV | 0 - 5000 | 1 | ±（2% of setting + 5V） | |
| Output Frequency | 50Hz / 60Hz ± 0.1%, User Selectable | |||
| Output Waveform | Sine Wave ,THD. < 2% （Resistive Load）, Crest Factor = 1.3 - 1.5 | |||
| Output Regulation | ± （1% of output + 5V）, From no load to full load | |||
| SETTINGS | ||||
| Hi-Limit AC Current, mA | 0 - 30.00 | 0 - 30.00 | 0 - 40.00 | 0 - 40.00 |
| Resolution : 0.01, Accuracy : ±（2% of setting + 3counts） | ||||
| Lo-Limit AC Current, mA | Range : 0 - 9.999 | |||
| Resolution : 0.001, Accuracy : ±（2% of setting + 3counts） | ||||
| Ramp Time, second | 0.1 - 999.9 | 0.1 | ±（0.1% + 0.05sec） | |
| Dwell Time, second | 0, 0.3 - 999.9 | 0.1 | ||
| Arc Detection | The range is from 1 - 9 （9 is the most sensitive） | |||
| AC Current Offset, mA | 0 - 2.000 or Auto Set | |||
| DC WITHSTAND VOLTAGE | ||||
| Output Rating | 6KVDC/9999µA | |||
| Output Voltage, DCV | 0 - 6000 | 1 | ±（2% of setting + 5V） | |
| Output Ripple | < 5% （6KV / 9999 μA at Resistive Load） | |||
| SETTINGS | ||||
| Hi-Limit DC Current, µA | 0 - 9999 | 1 | ±（2% of setting + 3counts） | |
| Lo-Limit DC Current, µA | 0 - 999.9 | 0.1 | ±（2% of setting + 3counts） | |
| Ramp Time, second | 0.1 - 999.9 | 0.1 | ± （0.1% of setting + 0.05s） | |
| Dwell Time, second | 0, 0.4 - 999.9 | 0.1 | ||
| Arc Detection | The range is from 1 - 9 （9 is the most sensitive） | |||
| DC Current Offset, ?A | 0 - 200.0 or Auto Set | |||
| Ramp High Current | ON/OFF, User Selectable | |||
| Charge - Low Current, µA | 0 - 350.0 or Auto Set | |||
| Discharge Time | ≦ 200 msec | |||
| INSULATION RESISTANCE | ||||
| Output Rating | 1KVDC / 9999MΩ | |||
| Output Voltage, DCV | 100 - 1000 | 1 | ± （2% of setting + 3V） | |
| Hi-Limit Resistance, MΩ | 0, 1 - 9999 （0=OFF） | 1 | 100 - 499V | |
| Lo-Limit Resistance, MΩ | 1 - 9999 | 1 | ||
| Delay Time, second | 0, 0.5 - 999.9 | 0.1 | ±（0.1% + 0.05sec） | |
| Charge - Low Current, µA | 0 - 3.500 or Auto Set | |||
| GROUND BOND （7440 ONLY） | ||||
| Output Rating | 30A / 600mΩ, 8V | |||
| Output AC Current, A | 3.00 - 30.00 | 0.01 | ± （2% of setting +3 counts） | |
| Output AC Voltage, V | 3.00 - 8.00 | 0.01 | ± （2% of setting +3 counts） at Open circuit | |
| Output Frequency | 50Hz/60Hz ±100ppm, User Selectable | |||
| SETTINGS | ||||
| Hi-Limit Resistance, mΩ | 0 - 150 （3 - 30A） | 1 | ± （2% of setting +2 counts） | |
| Lo-Limit Resistance, mΩ | 0 - 600 （3 - 10A） | |||
| Lead Resistance Offset, mΩ | 0 -200 | 1 | ± （2% of setting +2 counts） | |
| Dwell Time, second | 0, 0.5 - 999.9 sec （0=continuous） | 0.1 | ± （0.1% of setting + 0.05s） | |
| MEASUREMENT | ||||
| AC/DC Voltage, KV | 0 - 6.00 | 0.01 | ±（1.5% of reading ） > 500V | |
| DC Voltage, V （IR） | 100 - 1000 | 1 | ±（1.5% of reading + 3V） | |
| AC | 0 - 3.500 | 0 - 3.500 | 0 - 3.500 | 0 - 3.500 |
| 3.00 - 30.00 | 3.00 - 30.00 | 3.00 - 40.00 | 3.00 - 40.00 | |
| AC Current Resolution, mA | 0.001 / 0.01 | |||
| AC Current Accuracy, mA | ± （2% of reading + 3counts） | |||
| DC Current Range, µA | 0 - 350.0 | 0.1 | ± （2% of reading + 3counts） | |
