| Model | 6605 | 6610 | 6620 | 6640 |
| INPUT |
| Phase | 1 Phase |
| Voltage | 110/220Vac±10% |
| Frequency | 47-63Hz |
| OUTPUT |
| AC |
| Power rating | 500VA | 1000VA | 2000VA | 4000VA |
| Max. Current （r.m.s）*1 | 0-150V | 4.6A | 9.2A | 18.4A | 36.8A |
| 0-300V | 2.3A | 4.6A | 9.2A | 18.4A |
| Max. Current（peak） | 0-150V | 13.8A | 27.6A | 55.2A | 110.4A |
| 0-300V | 6.9A | 13.8A | 27.6A | 55.2A |
| Phase | 1Phase / 2W |
| Total Harmonic Distortation （T.H.D） | <0.5% at 40 - 100Hz , <1% at 101-500Hz （Resistive Load） |
| Crest Factor | >= 3 |
| Line Regulation | ± 0.1V |
| Load Regulation | ±（0.5% of output +0.5V） at Resistive Load |
| Response Time | <400µS |
| SETTING |
| Voltage | Range | 0-300V, 150V/300V Auto Range |
| Resolution | 0.1V |
| Accuracy | ±（1% of setting + 2counts） |
| Frequency | Range | 40-500Hz Full Range Adjust |
| Resolution | 0.1Hz at 40.0-99.9Hz , 1Hz at 100-500Hz |
| Accuracy | ±0.03% of setting |
Starting& Ending
Phase Angle | Range | 0-360° |
| Resolution | 1° |
| Accuracy | ±1°（45 - 65HZ） |
| DC（Optioin） |
| MAX. Power | 250W | 500W | 1KW | 2KW |
| Max. Current | 0-200V | 2.3A | 4.6A | 9.2A | 18.4A |
| 0-400V | 1.15A | 2.3A | 4.6A | 9.2A |
| SETTING |
| Voltage | Range | 0-200V / 0-400V Selectable |
| Resolution | 0.1V |
| Accuracy | ±（1% of setting + 2counts） |
| Ripple and Noise （RMS） | Range : 0-200V <250mV
Range : 0-400V <400mV | Range : 0-200V<350mV
Range : 0-400V<550mV |
| Ripple and Noise （p-p） | <2Vp-p | <3.0Vp-p |
| MEASUREMENT |
| Voltage （AC & DC） | Range | 0.0-400.0V |
| Resolution | 0.1V |
| Accuracy | ±（1% of reading + 2counts） |
| Frequency | Range | 0.0-500.0Hz |
| Resolution | 0.1Hz |
| Accuracy | ±0.1Hz |
| Current （rms） （AC & DC） | Range | L | 0.005A - 0.600A | 0.005A - 1.200A | 0.005A - 2.400A | - |
| H | 0.50A -6.50A | 1.00A -13.00A | 2.00A -26.00A | 0.00 - 52.00A |
| Resolution | L | 0.001A |
| H | 0.01A |
| Accuracy | L | ±（1% of reading +5counts） |
| H | ±（1% of reading +5counts） |
| Current（peak） | Range | 0.0 - 19.0A | 0.0 - 76.0A | 0.0 - 152.0A | - |
| Resolution | 0.1A |
| Accuracy | ±（1% of reading + 5counts） |
| Power | Range | L | 0.0W - 60.0W | 0.0W - 120.0W | 0.0W - 240.0W | - |
| H | 50W -650W | 100W -1300W | 200W -2600W | 0 - 5200W |
| Resolution | L | 0.1W |
| H | 1W |
| Accuracy | L | ±（2% of reading +5counts） |
| H | ±（2% of reading +2counts） |
| Power Factor | Range | 0.000-1.000 |
| Resolution | 0.001 |
| Accuracy | W / VA ,Calculated and displayed to three significant digits |
| GENERAL |
| Remote Input Signal Interface（Option） | Test, Reset, Recall memory 1 through 7 |
| Remote Output Signal | Pass, Fail ,Test-in Process |
| Memory | 50 memories, 9 steps/memory |
| Sync Output Signal | DC Level 5V |
| Timer | 0=Continuous, 0.5-999.9 （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 | 0=Continuous, OFF, 2~9999 |
| Over Current Fold Back | On/Off , Setting On when output current over setting Hi-A value it will fold back output voltage to keep constant output current is setting Hi-A value. |
| High / Low Limit Protection | Arms, Apeak, P, PF |
| Protection | OCP, OVP, OPP, OTP |
| Efficiency | ≥80%（at Full Load ） |
| Interface （Option） | GPIB / RS232, PLC Remote Input Card |
| Operation Environment | 0-40?C/20-80%RH |
| Dimension（HxD） mm | 430 x 89 x 400 | 430 x 89 x 400 | 430 x 89 x 500 | 430 x 222 x 500 |
| Net Weight | 16.5Kg | 18.2Kg | 30Kg | 65Kg |
