華儀6820交流變頻電源，中國臺灣華儀Extech 6820的技術特點：
6820 Linear AC Power Source 0-300V / 45 - 500Hz (2000VA)
輸出容量 : 500VA - 4KVA
采用新型的線性 (Linear) 放大線路設計，低噪聲、高穩定性
全范圍可調輸出電壓及頻率設定范圍 (0 - 300V ; 45 - 500HZ)
使用*的高密度電源技術設計，1KVA 容量高度只有 2U (8.9cm)
4 組大型綠色 LED 顯示器，可同時顯示輸出頻率、電壓、電流、功率 / 功率因數量測數值
輸出波峰因子比，于滿電流的輸出狀態下可達 4 : 1
特殊的恒流裝置，可輕易啟動馬達、壓縮機等高啟動電流之負載
選購遠程遙控輸入界面，可執行 Test / Reset 及 7 組記憶組 (M1 - M7) 快速輸出
二段式溫控風扇速度可降低使用噪音
華儀6820交流變頻電源，中國臺灣華儀Extech 6820的技術參數：
6800系列交流變頻電源(6805，6810，6820，6830，6840）
Opt. 0-600 VPhaseTotal Harmonic Distortation (T.H.D)Crest FactorLine RegulationLoad RegulationResponse TimeSETTINGVoltageFrequencyFrequency
(Option 45Hz - 1KHz)MEASUREMENTFrequencyVoltageCurrent(r.m.s)PowerPower FactorGENERALLow Range Meter
(for 6805/ 6810 Option)Remote Input Signal Interface
(Option)Remote Output SignalOver Current Fold BackProtectionSafetyDimension(W x H x D) mmNet WeightOperation Environment
| 6805 | 6810 | 6820 | 6830 | 6840 | |
| 1 phase | |||||
| 115/230Vac ± 15% | 230Vac ± 15% | ||||
| 47-63Hz | |||||
| 500VA | 1000VA | 2000VA | 3000VA | 4000VA | |
| 0-150V | 4.2A | 8.4A | 16.8A | 25.2A | 33.6A |
| 0-300V | 2.1A | 4.2A | 8.4A | 12.6A | 16.8A |
| 0-300V | 2.1A | 4.2A | 8.4A | 12.6A | 16.8A |
| 0-600V | 1.05A | 2.1A | 4.2A | 6.3A | 8.4A |
| 1 phase / 2W | |||||
| <=0.5% at 45-500Hz (Resistive Load) | |||||
| >= 4 | |||||
| ±0.1V | |||||
| <=0.5% (Resistive Load) | |||||
| < 100µS | |||||
| Range | 0-150V / 0-300V Selectable or 0-300V / 0-600V Selectable (Option 0 -600V) | ||||
| Resolution | 0.1V | ||||
| Accuracy | ±(0.5% of setting +2 counts) | ||||
| Range | 45-500Hz | ||||
| Resolution | 0.1Hz at 45.0-99.9Hz , 1Hz at 100-500Hz | ||||
| Accuracy | ±0.02% of setting | ||||
| Range | 45-1000Hz | ||||
| Resolution | 0.1Hz at 45.0-99.9Hz , 1Hz at 100-1000Hz | ||||
| Accuracy | ±0.02% of setting | ||||
| Range | 45.0Hz - 500.0Hz 501.0Hz - 1000Hz (Opt.614) | ||||
| Resolution | 0.1Hz | ||||
| Accuracy | ±0.1Hz at 45.0 - 500.0Hz ±0.5Hz at 501.0 - 1000Hz | ||||
| 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 | ||||
| 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) | ||||
| 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) | ||||
| Range | 0.000-1.000 | ||||
| Resolution | W / VA ,Calculated and displayed to three significant digits | ||||
| Accuracy | |||||
| Range : 2.0mA - 350.0mA / 0.20 - 35.00W Resolution : 0.1mA / 0.01W Accuracy : ± (0.6% of reading +5 counts). | |||||
| Test, Reset, Recall memory 1 through 7 | |||||
| Fail ,Test-in Process | |||||
| 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. | |||||
| OCP, OTP ,OVP and Alarm | |||||
| TUV/GS pending | |||||
| 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 | |
| 25Kg | 36Kg | 90Kg | 165Kg | 192Kg | |
| 0-40°C / 20-80%RH |
