30V 3A Automatic mA Display DC power Supply

  • Single output, single phase
  • Output constant voltage and current adjustable
  • 3LED voltage and current display
  • mA and A converted, when less than 1A it can convert automatically mA: 0-990mA continuous adjust. Suitable for higher precision testing.
  • Output switch key, can start or stop the output, Avoid the instantaneous impact of current, and play a good protective role.
  • Constant voltage and current operating model. C.V and C.C convert automatically
  • Current limitation protection
SKU: PS-303DM Category: Tag:
Model PS-303DM
Max Voltage 30V
Max Current3 3A
mA: 0-990mA (less then 1amp)
Input Power 220V 50Hz / 110V 60Hz (Optional)
Operating Temperature 0℃ to 40℃
Relative Humidity < 80%
Storage Temperature -10℃ to 70℃
Relative Humidity < 70%
Constant Voltage Mode Voltage stability < 0.01% + 3mV
Load stability < 0.01% + 5mV
Recovery time < 100 μS
Ripple & noise < 1.0 mV r.m.s.
Temperature coefficient < 300 PPM/℃
Constant Current Mode Current stability < 0.2% + 3 mA
Load stability < 0.2% + 3 mA
Ripple & noise < 3 mA r.m.s.
Size (mm) 270×128×145
Weight 5.5kg
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TitleDescriptionVersionSizeHitsDate addedDownload
Longwei PS-DM Series User Manual EN Version212.72 KB3124-07-2023 Download
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