| MODEL | 7450 | 7451 | 7452 |
| AC WITHSTAND VOLTAGE |
| Output Rating | 5KVAC/100mA Constant 500VA |
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 - 99.99 | 0.01 | ±（2% of setting + 3counts） |
| Lo-Limit AC Current, mA | 0 - 9.999 | 0.001 | ±（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 (7451,7452 ONLY) |
| 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, µA | 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, ?A | 0 - 3.500 or Auto Set |
| GROUND BOND (7452 ONLY) |
| Output Rating | 30A/600mΩ, 8V |
| Output AC Current, A | 3.00 - 30.00 | 0.01 | ± (2% of setting +2 counts) |
| Output AC Voltage, V | 3.00 - 8.00 | 0.01 | ± (2% of setting +3 counts) |
| 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 + 3count） |
| AC Current Range, mA | 0-3.500 | 0.001 | ±（2% of reading + 3counts） |
3.00-99.99 | 0.01 | ±（2% of reading + 6counts） |
| DC Current Range, µA | 0-350.0 | 0.1 | ± (2% of reading + 3counts) |
300 - 3500 | 1 | ± (2% of reading + 2counts) |
3000-9999 | 10 | ± (2% of reading + 6counts) |
| AC Current, A (GB) | 0 - 35.00 | 0.01 | ±（2% of reading+2counts） |
| Resistance, , MΩ(IR) | 1 - 9999
(Auto Range) | — | ±（2% of reading+2counts）at 500-1000VDC, 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 | 100/115/200/230Vac±15%, 50/60Hz ± 5%, Fuse 15A |
| 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 |
| Built-in Scanner | - | - | - |
| External Scanner | - | YES | YES |
| Smart GFI | YES | YES | YES |
| Analog Meter | YES | YES | YES |
| RS232 Interface | - | Option | Option |
| GPIB Interface | - | YES | YES |
| Printer Interface | - | Option | Option |
| TUV-GS listed | YES | - | YES |
| CE Compliance | YES | - | YES |
| Environment | 0-40℃, 20-80%RH |
| Dimension (W×H×D) | 430×133×400 (mm) | 430×133×400 (mm) | 430×133×500 (mm) |
| Net Weight | 28Kg | 28Kg | 32Kg |
| STANDARD ACCESSORIES |
| Power Cord(15A) | ×1 |
| Fuses | ×2 (Including a spare contained in the fuse holder) |
| Hipot Test Lead ,1.5m(1101) | ×1 | ×1 | ×1 |
| Hipot Return Lead ,1.8m(1102) | ×1 | ×1 | - |
Ground Bond Test Lead 30A
,1.5m(1103) | - | - | ×1 |
Ground Bond Return Lead 30A
,1.5m(1104) | - | - | ×1 |