use digital frequency conversion technology, micro-computer control, automatic set up voltage, relief voltage and discharged.
   use photoelectricity control output 0.1Hz voltage without any mechanical components.
   large-screen LCD, indicating that export waveform.
   had overcurrent and overvoltage protect functions.
more frequency choices : 0.1Hz, 0.05 Hz, 0.02 Hz, and enhanced on-load ability .

• use digital frequency conversion technology, micro-computer control, automatic set up voltage, relief voltage and discharged.
• use photoelectricity control output 0.1Hz voltage without any mechanical components.
• large-screen LCD, indicating that export waveform.
• had overcurrent and overvoltage protect functions.
• more frequency choices : 0.1Hz, 0.05 Hz, 0.02 Hz, and enhanced on-load ability