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产品简介
详细介绍
华仪EXTECH6920交流变频电源维修，交流变频电源出现电压输出不准维修，频率无法调节维修，屏幕断码维修，无法开机维修。
输出容量 : 500VA - 5KVA
使用良好的高频电源技术设计，效率高达 80%，华仪EXTECH6920交流变频电源维修
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
*输出波峰因子比，于满电流的输出状态下可达 3 : 1
具备 3 组记忆组，记忆电压、频率和上限电流限值，华仪EXTECH6920交流变频电源维修
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
产品型号：
6905 AC Power Source 0 - 300V / 40 - 450Hz (500VA)
6910 AC Power Source 0 - 300V / 40 - 450Hz (1000VA)
6920 AC Power Source 0 - 300V / 40 - 450Hz (2000VA)
6930 AC Power Source 0 - 300V / 40 - 450Hz (3000VA)
6950 AC Power Source 0 - 300V / 40 - 450Hz (5000VA)
技术参数：
| 型号 | 6905 | 6910 | 6920 | 6940 | ||
| 输入 | ||||||
| 相 | 1 phase | |||||
| 电压 | 110 / 220Vac±10% | 220Vac±10% | ||||
| 频率 | 50 / 60 Hz | |||||
| 输出 | ||||||
| 交流 | ||||||
| 功率范围 | 500VA | 1KVA | 2KVA | 4KVA | ||
| zui大电流 (rms)*1 | 0-150V | 4.6A at 110V | 9.2A at 110V | 18.4A at 110V | 36.8at 110V | |
| 0-300V | 2.3A at 220V | 4.6A at 110V | 9.2A at 110V | 18.4A at 110V | ||
| 相 | 1 phase / 2W | |||||
| 总谐波失真 | < 0.5% 40 - 100Hz , <1% at101-450Hz(Resistive Load) | |||||
| 波峰因素 | ≧3 | |||||
| 负载调整率 | ± (0.5% of output +0.5V) at ResistiveLoad | |||||
| 响应时间 | < 400usec | |||||
| 设置 | ||||||
| 电压 | 范围 | 0-150V/0-300V Selectable | ||||
| 解析度 | 0.1V | |||||
| 误差 | ±(1% of setting + 2counts) | |||||
| 频率 | 范围 | 40-450Hz Full Range Adjust | ||||
| 解析度 | 0.1Hz at 40 - 99.9Hz , 1Hz at 100-450Hz | |||||
| 误差 | ±0.03% of setting | |||||
| 直流输出 (选项) | ||||||
| zui大功率 | 250VA | 500VA | 1000VA | 2000VA | ||
| zui大电流 | 0-200V | 2.3A | 4.6A | 9.2A | 18.4A | |
| 0-400V | 1.15A | 2.3A | 4.6A | 9.2A | ||
| 设置 | ||||||
| 电压 | 范围 | 0-200V / 0-400V Selectable | ||||
| 解析度 | 0.1V | |||||
| 误差 | ±(1% of setting + 2counts) | |||||
| 纹波和噪声 (rms) | Range : 0-200V <250mV; Range : 0-400V <400mV | Range : 0~200V <350mV; Range : 0~400V <550mV | ||||
| 纹波和噪声 (p-p) | < 2Vp-p | < 3Vp-p | ||||
| 测量 | ||||||
| 电压(AC&DC) | 范围 | 0.0-400.0V | ||||
| 解析度 | 0.1V | |||||
| 误差 | ± (1% of reading + 2counts) | |||||
| 频率 | 范围 | 0.0-500.0Hz | ||||
| 解析度 | 0.1Hz | |||||
| 误差 | ±0.1Hz | |||||
| 电流(AC+DC) | 范围 | 0.00 - 54.00A | ||||
| 解析度 | 0.01A | |||||
| 误差 | ± (1% of reading +5counts) | |||||
| 功率 | 范围 | 0 - 4000W | ||||
| 解析度 | 1W | |||||
| 误差 | ± (2% of reading +2counts) | |||||
| 功率因素 | 范围 | 0.000-1.000 | ||||
| 解析度 | 0.001 | |||||
| 误差 | W / VA ,Calculated and displayed tothreesignificant digits | |||||
| Opt.628 High Measurement Resolution (For 6905, 6910 & 6920) | ||||||
| 交流 | ||||||
| 电流(RMS) | 范围 | L | 0.000A - 0.600A | 0.000A - 1.200A | 0.000A - 2.400A | |
| H | 0.50A - 6.00A | 1.00A - 13.00A | 0.000A - 27.00A | |||
| 解析度 | L | 0.001A | ||||
| H | 0.01A | |||||
| 误差 | ± (1% of reading +5counts) | |||||
| 功率 | 范围 | L | 0.0W-60.0W | 0.0W-120.0W | 0.0W-240.0W | |
| H | 50W-500W | 100W-1000W | 200W-2000W | |||
| 解析度 | L | 0.1W | ||||
| H | 1W | |||||
| 误差 | ± (2% of reading +5counts) | |||||
| 直流 (选项) | ||||||
| 电流 | 范围 | L | 0.010A-0.600A | 0.010A-1.200A | 0.010A-2.400A | |
| H | 0.50A-3.00A | 1.00A-6.50A | 2.00A-13.50A | |||
| 解析度 | L | 0.001A | ||||
| H | 0.01A | |||||
| 误差 | ± (1% of reading +5counts) | |||||
| 功率 | 范围 | L | 0.0W - 60.0W | 0.0W - 120.0W | 0.0W - 240.0W | |
| H | 50W - 250W | 100W - 500W | 200W - 1000W | |||
| 解析度 | L | 0.1W | ||||
| H | 1W | |||||
| 误差 | ± (2% of reading +5counts) | |||||
| 一般参数 | ||||||
| 存储 | 3 memories (M1, M2, M3) | |||||
| 效率 | ≧80%(at Full Load) | |||||
| 保护 | Over Power, Over Current, Over Voltage,OverTemperature, Hi- A | |||||
| 较验 | Front Panel Calibration | |||||
| 工作环境 | 0-40℃/20-80%RH | |||||
| 尺寸(W×H×D) mm | 430 x 89 x 300 | 430 x 89 x 400 | 430 x 89 x 500 | 430 x222 x 300 | ||
| 重量 | 12.5Kg | 18.2Kg | 30Kg | 65Kg | ||