... -power, low distortion, high stability AC power sources ac Current Source1. AC-DC-AC frequency conversion technology2. Digital wave synthesis, wave feed-back technology ... speed 12 bits A/D sampling technology,exactly display Voltage5. Current, Power, Power factor, Frequency6. Zero output impedance, equivalent ... :45-65Hz11. Output voltage range:AC 0-300V12. CHP-500 Output biggest current:0-150V is 4.2A,0 ...