| Model | 6705 | 6710 | 6720 | 6730 | 6740 |
| INPUT |
| Phase | 1 Phase |
| Voltage | 115/230Vac ± 15% | 230Vac ± 15% |
| Frequency | 47-63Hz |
| OUTPUT |
| Power rating | 500VA | 1000VA | 2000VA | 3000VA | 4000VA |
| Max. Current（r.m.s） | 0-150V | 4.2A | 8.4A | 16.8A | 25.2A | 33.6A |
| 0-300V | 2.1A | 4.2A | 8.4A | 12.6A | 16.8A |
| Max. Current（peak） | 0-150V | 16.8A | 33.6A | 67.2A | 100.8A | 134.4A |
| 0-300V | 8.4A | 16.8A | 33.6A | 50.4A | 67.2A |
| Option 0-600V |
| Max. Current（r.m.s） | 0-300V | 2.1A | 4.2A | 8.4A | 12.6A | 16.8A |
| 0-600V | 1.05A | 2.1A | 4.2A | 6.3A | 8.4A |
| Max. Current（peak） | 0-300V | 8.4A | 16.8A | 33.6A | 50.4A | 67.2A |
| 0-600V | 4.2A | 8.4A | 16.8A | 25.2A | 33.6A |
| Phase | 1Phase / 2W |
| THD（Total Harmonic Distortation） | <=0.5% at 45-500Hz （Resistive Load） |
| Crest Factor | >= 4 |
| Line Regulation | 0.1% max for a ± 10% line change. |
| Load Regulation | <=0.5% （Resistive Load） |
| Response Time | < 100µS |
| SETTING |
| Voltage | Range | 0-300V, 150/300V Auto or
0-600V,300/600V Auto（Option 0-600V） |
| Resolution | 0.1V |
| Accuracy | ±（0.5%+2 counts） |
| Frequency | Range | 45-500Hz |
| Resolution | 0.1Hz at 45-99.9Hz , 1Hz at 100-500Hz |
| Accuracy | ±0.02% of setting |
Frequency
（Option 45Hz-1KHz） | Range | 45-1000Hz |
| Resolution | 0.1Hz at 45-99.9Hz , 1Hz at 100-1000Hz |
| Accuracy | ±0.02% of setting |
Starting& Ending
Phase Angle | Range | 0-360° |
| Resolution | 1° |
| Accuracy | ±1°（45 - 65HZ） |
| MEASUREMENT |
| Frequency | Range | 45.0Hz - 500.0Hz
501.0Hz - 1000.0Hz （Opt.625） |
| Resolution | 0.1Hz |
| Accuracy | ±0.1Hz at 45.0 - 500.0Hz
±0.5Hz at 501.0 - 1000.0Hz |
| Voltage | Range | 0.0-300.0V / 0.0-600.0V |
| Resolution | 0.1V |
| Accuracy | ± （0.5% of reading +2 counts） for 0-300V
± （0.5% of reading +4 counts） for 0-600V |
| Current（r.m.s） | Range | L | 0.000-3.500A |
| H | 3.00-35.00A |
| Resolution | L | 0.001A |
| H | 0.01A |
| Accuracy | L | ± （0.5% of reading +5 counts） for 0-300V
± （0.5% of reading +10 counts） for 0-600V |
| H | ± （0.5% of reading +3 counts） |
| Current（peak） | Range | 0.0 -200.0A |
| Resolution | 0.1A |
| Accuracy | ± （1% of reading +2 counts） |
| Power | Range | L | 0.0-350.0W |
| H | 300-4000W |
| Resolution | L | 0.1W |
| H | 1W |
| Accuracy | L | ± （0.6% of reading +5 counts） |
| H | ± （0.6% of reading +2 counts） |
| Power Factor | Range | 0 - 1.000 |
| Resolution | W / VA ,Calculated and displayed to three significant digits |
| Accuracy |
| GENERAL |
| Low Range Meter （for 6705/ 6710 Option） | Range : 2.0mA - 350.0mA / 0.20 - 35.00W
Resolution : 0.1mA / 0.01W
Accuracy : ± （0.6% of reading +5 counts）. |
| Remote Input Signal（Option） | Test, Reset, Recall program memory 1 through 7 |
| Remote Output Signal | Pass, Fail , Test-in Process |
| Memory | 50 memories, 9 steps/memory |
| Sync Output Signal | Output Signal 10V ,BNC type |
| Timer | 0=Continuous, 0.1-999.9 （Unit: sec, minute, hour selectable） |
| Alarm Volume Setting | Range: 0-9 ;0=OFF, 1 is softest volume, 9 is loudest volume. |
| Graphic Display | 240 x 64 dot resolution Monographic LCD /Contrast 9 Levels 1-9 |
| Auto loop cycle | By step or memory, or system loop cycle setting. 0=Continuous, OFF, 2~9999 |
| Over Current Fold Back | On/Off , Setting On when output current over setting A-Hi value it will fold back output voltage to keep constant output current is setting A-Hi value. |
| Protection | OCP, OTP ,OVP and Alarm |
| Interface | GPIB / RS232 / Remote I/P Control option |
| Dimension（HxD） mm | 430 x 89 x 400, 2U | 430 x 89 x 560, 2U | 430 x 267 x 650, 6U | 430 x 667 x 650, 15U | 430 x 667 x 650, 15U |
| Net Weight | 25Kg | 36Kg | 90Kg | 165Kg | 192Kg |
| Operation Environment | 0-40°C/20-80%RH |
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