| Model | 6805 | 6810 | 6820 | 6830 | 6840 | 
| INPUT | 
| Phase | 1 phase | 
| Voltage | 115/230Vac ± 15% | 230Vac ± 15% | 
| Frequency | 47-63Hz | 
| OUTPUT | 
| Max. Power  | 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 | 
| Phase | 1 phase / 2W | 
| Total Harmonic Distortation (T.H.D) | <=0.5% at 45-500Hz (Resistive Load) | 
| Crest Factor | >= 4  | 
| Line Regulation | ±0.1V | 
| Load Regulation | <=0.5% (Resistive Load) | 
| Response Time | < 100μS | 
| SETTING | 
| Voltage | Range | 0-150V / 0-300V Selectable | 
| Resolution | 0.1V | 
| Accuracy | ±(0.5% of setting +2 counts) | 
| Frequency | Range | 45-500Hz | 
| Resolution | 0.1Hz at 45.0-99.9Hz , 1Hz at 100-500Hz | 
| Accuracy | ±0.02% of setting | 
| MEASUREMENT | 
| Frequency | Range | 0.0-500.0Hz | 
| Resolution | 0.1Hz | 
| Accuracy | ±0.1Hz | 
| Voltage | Range | 0.0-300.0V | 
| Resolution | 0.1V | 
| Accuracy | ± (0.5% of reading +2 counts) | 
| 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) | 
| H | ± (0.5% of reading + 3 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 | 0.000-1.000 | 
| Resolution | W / VA ,Calculated and displayed to three significant digits | 
| Accuracy | 
| GENERAL | 
| LowRange Meter(for 6805/ 6810 Option)
 | Range : 2.0mA - 350.0mA / 0.20 - 35.00WResolution : 0.1mA / 0.01W
 Accuracy : ± (0.6% of reading +5 counts).
 | 
| Remote Input Signal Interface(Option)
 | Test, Reset, Recall memory 1 through 7  | 
| Remote Output Signal | Fail ,Test-in Process | 
| 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 | 
| Safety  | TUV/GS pending | 
| Dimension | 430(W) x 89(H) x400(D) mm
 | 430(W) x 89(H) x560(D) mm
 | 430(W) x 6U(H) x650(D)mm
 | 430(W) x 15U(H) x650(D)mm
 | 430(W) x 15U(H) x650(D)mm
 | 
| Net Weight | 25kg | 36kg | 90kg | - | - | 
| Operation Environment | 0-40°C / 20-80%RH |