特點(diǎn)：
交/直流耐壓、絕緣阻抗、接地阻抗測(cè)試
20×2 點(diǎn)矩陣 LCD 顯示器
可選配內(nèi)建4組或8組高壓矩陣式掃描信道（7420, 7430 & 7440）
內(nèi)建50組程序記憶、每一組8個(gè)測(cè)試步驟可進(jìn)行程序記憶步驟的連結(jié)測(cè)試
測(cè)試線路阻抗自我歸零校整功能，確保測(cè)試結(jié)果的準(zhǔn)確性
內(nèi)建PLC Remote遙控界面
鍵盤(pán)鎖定功能
可外接標(biāo)準(zhǔn)GPIB/RS232/Print Card界面作控制
全范圍電壓輸出的穩(wěn)壓率在1%以內(nèi) | 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 ±100ppm, User Selection | | 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=continuous） | 0.1 | | Arc Detection | 1 - 9 ranges （9 is the most sensitivity） | | 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/9999µA 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% + 0.05sec） | | Dwell Time, second | 0, 0.4 - 999.9
（0=continuous） | 0.1 | | Arc Detection | 1 - 9 ranges （9 is the most sensitivity） | | DC Current Offset, ?A | 0 - 200.0 or Auto Set | | Ramp High Current | ON/OFF, User Selection | | 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 | ±（2% of setting+2counts）at 500-1000VDC, 1 -999.9 MΩ
±（8% of setting+2counts）at 500-1000VDC, 1000 -9999 MΩ
±（8% of setting+2counts）at 100-499VDC, 1 -999.9 MΩ | | Lo-Limit Resistance, MΩ | 1 - 9999 | 1 | | Delay Time, second | 0, 0.5 - 999.9
（0=continuous） | 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 Selection | | 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% + 0.05sec） | | MEASUREMENT | | AC/DC Voltage, KV | 0 - 6.00 | 0.01 | ±（1.5% of reading + 1count） | | DC Voltage, V （IR） | 100 - 1000 | 1 | ±（1.5% of reading + 3V） | | AC Current Range, mA | 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） | | 300 - 3500 | 1 | | 3000-9999 | 10 | | AC Current, A （GB） | 0 - 35.00 | 0.01 | ±（2% of reading+3counts） | | Resistance, , MΩ（IR） | 1 - 9999
（Auto Range） | 0.001
0.01
0.1
1 | ±（8% of reading+2counts）at 100-499VDC,
1-999.9 MΩ
±（8% of reading+2counts）at 500-1000VDC,
1000 -9999 MΩ
±（2% of reading+2counts）at 500-1000VDC,
1 -999.9 MΩ | | Resistance, , mΩ （GB） | 0 - 600 | 1 | ±（2% of reading+2counts） | | GENERAL | | Input Voltage AC | 115/230Vac±15%, 50/60Hz ± 5%, Fuse 5A Slow for 7410/7412 model, 6.3A Slow for 7420/7430/7440 model | | PLC Remote Control | Input : Test , Reset , Memory1.2.3 | | Output : Pass , Fail , Processing | | Memory | 50 memories, 8 steps/memory | | Display | 20×2 LCD with back light | | Key Lock | To prevent unauthorized alteration of the test Parameters | | Calibration | Build-in software ａnd external calibrated meters | | Alarm Volume Setting | Range: 0-9 ;0=OFF, 1 is softest volume, 9 is loudest volume. | | Rear Panel Output | YES | YES | YES | YES | | Built-in Scanner | - | 8channels | Option | Option | | External Scanner | YES | YES | YES | YES | | Smart GFI | YES | YES | YES | YES | | Analog Meter | - | - | YES | YES | | RS232 Interface | Option | Option | YES | YES | | GPIB Interface | Option | Option | Option | Option | | Printer Interface | Option | Option | Option | Option | | TUV-GS listed | - | - | YES | YES | | CE Compliance | - | - | YES | YES | | Environment | 0-40℃, 20-80%RH | | Dimension （W×H×D） | 430×133×300 （mm） | 430×133×500（ mm） | 430×133×500（mm） | | Net Weight | 12Kg | 18Kg | 22Kg | | STANDARD ACCESSORIES | | Power Cord（10A） | ×1 | | Fuses | ×2 （Including a spare contained in the fuse holder） | | Hipot Test Lead ,1.5m（1101） | ×1 | | Return Test Cable（1102） | ×1 | | Hipot Return Lead ,1.8m（1103） | - | - | - | ×1 | | Ground Bond Return Lead 30A ,1.5m（1104） | - | - | - | ×1 | | Hipot Output Link Lead ,1.5m（1109） | - | ×8 | - | - | | RS232 Link Cable 1.5m（1130） | - | - | ×1 | ×1 | | Disk （ RS232 test program ） | - | - | ×1 | ×1 | | *product specifications are subject to change without notice. |
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