| SPECIFICATIONS | 
| MODEL | 7410 | 7412 | 7420 | 7430 | 7440 | 
| AC WITHSTAND VOLTAGE | 
| Output Rating | 5KVAC/30mA | 5KVAC/20mA | 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 | 0-20.00 | 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 -1000 MΩ ±(8% of setting+2counts)at 500-1000VDC, 1000 -9999 MΩ
 ±(8% of setting+2counts)at 100-500VDC, 1 -1000 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 CurrentRange, mA | 0-3.500 | 0-3.500 | 0-3.500 | 0-3.500 | 0-3.500 | 
| 3.00-30.00 | 3.00-20.00 | 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 (AutoRange)
 | 0.0010.01
 0.1
 1
 | ±(8% of reading+2counts)at 100-500VDC, 1--1000 MΩ
 ±(8% of reading+2counts)at 500-1000VDC,
 1000 -9999 MΩ
 ±(8% of reading+2counts)at 100-500VDC,
 1 -1000 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 | YES | 
| Built-in Scanner | - | - | 8channels | Option  | Option | 
| External Scanner | YES | YES | YES | YES | YES | 
| Smart GFI | YES | YES | YES | YES | YES | 
| Analog Meter | - | YES | - | YES | YES | 
| RS232 Interface | Option | Option | Option | YES | YES | 
| GPIB Interface | Option | Option | Option | Option | Option | 
| Printer Interface | Option | Option | Option | Option | Option | 
| TUV-GS listed | - | YES | - | YES | YES | 
| CE Compliance | - | YES | - | 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. |