全范围可调输出电压及频率设定范围 (0 - 300V ; 40 - 450HZ)
 			直接耦合输出技术,体积小重量轻 ; 4KVA 高度只有 22.2cm / 重 65kg
 			4 组大型 LED 显示器,可同时显示输出频率、电压、电流、功率 / 功率因数量测数值
 			强输出波峰因子比,于满电流的输出状态下可达 3 : 1
 			高启动负载能力,浪涌电流可达额定电流的 4 倍,并可维持 1000mS 不切断保护
 			输出过电流、短路、过电压、过功率及过温度保护及警报
 						| MODEL | 6905 | 6910 | 6920 | 6940 | 
					| INPUT | 
					| Phase | 					1 phase | 
					| Voltage | 110 / 220Vac±10% | 220Vac±10% | 
					| Frequency | 					50 / 60 Hz | 
					| AC OUTPUT | 
					| Power rating | 500VA | 1KVA | 2KVA | 4KVA | 
					| Max. Current (r.m.s) | 0-150V | 4.6A at 110V | 9.2A at 110V | 18.4A at 110V | 36.8A at 110V | 
					| 0-300V | 2.3A at 220V | 4.6A at 220V | 9.2A at 220V | 18.4A at 220V | 
					| Phase | 					1 phase / 2W | 
					| Total Harmonic Distortion (T.H.D) | 					< 0.5% 40 - 100Hz  <1% at 101-450Hz (Resistive Load) | 
					| Crest Factor | 					≧3 | 
					| Load Regulation | 					± (0.5% of output +0.5V) at Resistive Load | 
					| Response Time | 					< 400usec | 
					| SETTINGS | 
					| Voltage | Range | 					0-150V/0-300V Selectable | 
					| Resolution | 					0.1V | 
					| Accuracy | 					±(1% of setting + 2counts) | 
					| Frequency | Range | 					40-450Hz Full Range Adjust | 
					| Resolution | 					0.1Hz at 40 - 99.9Hz  1Hz at 100-450Hz | 
					| Accuracy | 					±0.03% of setting | 
					| DC OUTPUT (Option) | 
					| Max. Power | 					250W | 					500W | 					1000W | 					2000W | 
					| Max. Current | 					0-200V | 					2.3A | 					4.6A | 					9.2A | 					18.4A | 
					| 					0-400V | 					1.1A | 					2.3A | 					4.6A | 					9.2A | 
					| SETTINGS | 
					| 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 (AC & DC) | 					Range | 					0.00 - 54.00A | 
					| 					Resolution | 					0.01A | 
					| 					Accuracy | 					± (1% of reading +5counts) | 
					| Power | 					Range | 					0 -4000W | 
					| 					Resolution | 					1W | 
					| 					Accuracy | 					± (2% of reading +2counts) | 
					| Power Factor | 					Range | 					0.000-1.000 | 
					| 					Resolution | 					0.001 | 
					| 					Accuracy | 					W / VA Calculated and displayed to three significant digits | 
					| Opt.628 High Measurement Resolution (For 6905 6910 & 6920) | 
					| AC OUTPUT | 
					| Current | Range | 					L | 					0.000A - 0.600A | 					0.000A - 1.200A | 					0.000A - 2.400A | 					- | 
					| 					H | 					0.50A - 6.00A | 					1.00A - 13.00A | 					2.00A - 27.00A | 					- | 
					| Resolution | 					L | 					0.001A | 					- | 
					| 					H | 					0.01A | 					- | 
					| Accuracy | 					± (1% of reading +5counts) | 					- | 
					| Power | Range | 					L | 					0.0W - 60.0W | 					0.0W - 120.0W | 					0.0W - 240.0W | 					- | 
					| 					H | 					50W - 500W | 					100W - 1000W | 					200W - 2000W | 					- | 
					| Resolution | 					L | 					0.1W | 					- | 
					| 					H | 					1W | 					- | 
					| Accuracy | 					± (2% of reading +5counts) | 					- | 
					| DC OUTPUT(Option) | 
					| Current | Range | 					L | 					0.010A - 0.600A | 					0.010A - 1.200A | 					0.0010A - 2.400A | 					- | 
					| 					H | 					0.50A - 3.00A | 					1.00A - 6.50A | 					2.00A - 13.50A | 					- | 
					| Resolution | 					L | 					0.001A | 					- | 
					| 					H | 					0.01A | 					- | 
					| Accuracy | 					± (1% of reading +5counts) | 					- | 
					| Power | Range | 					L | 					0.0W - 60.0W | 					0.0W - 120.0W | 					0.0W - 240.0W | 					- | 
					| 					H | 					50W - 250W | 					100W - 500W | 					200W - 1000W | 					- | 
					| Resolution | 					L | 					0.1W | 					- | 
					| 					H | 					1W | 					- | 
					| Accuracy | 					± (2% of reading +5counts) | 					- | 
					| GENERAL | 
					| Memory | 					3 memories (M1 M2 M3) | 
					| Efficiency | 					≧80%(at Full Load ) | 
					| Protection | 					Over Power Over Current Over Voltage Over Temperature Hi- A | 
					| Calibration | 					Front Panel Calibration | 
					| Environment | 					0-40℃/20-80%RH | 
					| Dimension (W×H×D) mm | 430 x 89 x 300 | 430 x 89 x 400 | 430 x 89 x 500 | 430x 222x 500 | 
					| Net Weight | 12.5Kg | 18.2Kg | 30Kg | 65Kg |