◆ ac-dc-ac 变频技术
    ac-dc-ac frequency conversion technology
◆数字波形合成，波形反馈技术，电源失真度低
    digital wave synthesis, wave feedback technology, low power distortion
◆ 16位单片机控制与测量，智能化程度高
     controlled and tested by 16-bit mcu, with high intellegence
◆ 12位a/d高速采样测量，准确显示 v、a、w/   pf/hz
      high speed sampling rate with 12-bit a/d, precisely display  voltage, current, power, power factor, frequency
◆ 源表一体化 
     power source and tester integrated in one
◆ 采用零输出阻抗技术，等效阻抗≤0.1ω
     zero impedance output, equivalent resistance ≤0.1ω
◆ 电源输出采用浮置隔离，测量安全可靠
     power output insulation makes test safe and stable
◆ 仪器具有异常工作保护功能
     protection for over heat and thundering voltage and current
◆ 采用键盘输入，具有粗/微调装置，设定参数迅速、正确
    input by keyboard, coarse/fine adjustment, fast parameter set-up
◆ 输出频率设定：45.00~65.00hz
    output frequency range: 45.00~65.00hz
◆ 输出电压设定：ac 0.0~300.0v
    output voltage range: ac 0.0~300.0v
◆ fdp-500输出Zui大电流：0~150v档为4.2a；0~300v档为2.1a
    fdp-500 max output  current: 0~150v is 4.2a, 0~300v is 2.1a
◆ fdp-1000输出Zui大电流：0~150v档为8.4a；0~300v档为4.2a
    fdp-1000 max output current: 0~150v is 8.4a, 0~300v is 4.2a
◆ 电压总失真：≤0.6%(纯阻负载)
    total voltage distortion: ≤0.6% (for resistive load)
◆ 电压稳定度：≤0.1%/30分钟
    voltage stability: ≤0.1%/30min
◆ 负载调整率：≤0.1%
    load adjusting rate: ≤0.1%
◆ 频率稳定度：≤0.05%/30分钟
    frequency stability: ≤0.05%/30min