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PSU505:Linear Power Supply

Linear Power Supply

  • Liquid Crystal Display
  • Programmable Triple Outputs (Auto-Ranging Function on Channel 3)
  • Low Ripple, Low Noise
  • Number and Function Keys
  • 100 Store and Recall Settings
  • Timer (1 second to 100 hours)
  • Precise Voltage and Current Measurement
  • Dual Tracking Mode
  • Average Measurement Time: 50 ms
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The PSU505 is a DC power supply with 3 programmable outputs and 12-bit resolution. The total output power is 210 W: channels 1 and 2, 30 V/3 A, provide 90 W each; channel 3, 10 V/ 5 A, puts out 30 W at a constant rate. Channel 1 provides outputs in serial and parallel modes; channel 2, in serial mode only. On channel 3, the user can perform auto-ranging, a feature not found on traditional power supplies.

The user can monitor OVP (overvoltage protection) and OCP (overcurrent protection) on the front-panel LCD. Because of its 0.01% load-and-line regulation and 50 ms max response time, the PSU505 remains stable even when the voltage source and load change. The PSU505 is also highly efficient, with an average measurement time of 50 ms.

The PSU505 is easy to use, featuring an adjustable tracking function, a rotary selection dial, and an alphanumeric keypad. With the timer function, the user can control when each output is switched off (1 second to 100 hours); this feature is particularly useful in burn-in-room and electroplating applications. Up to 100 configurations can be stored in memory. A key-lock function prevents users from changing the original settings.

Channel NumberCH1 and CH2CH3
Output Voltage0 to 30 V0 to 15 V
Output Current0 to 3 A0 to 5 A
Output Power
(CH3 Auto-Ranging)
Line Regulation ±(% of output + offset)
Voltage0.01% + 2 mV
Current0.01% + 300 µa
Load Regulation ±(% of output + offset)
Voltage≤3 mV≤5 mV
Current0.01% + 300 µA
Ripple and Noise (20Hz to 20Mhz)
Normal Mode Voltage300µVrms/3 mVpp1 mVrms/20 mVpp
Normal Mode Current<1 mA<5 mA
Programming10 mV/1 mA10 mV/2 mA
Readback10 mV/1 mA3 mV/2 mA
Programming Accuracy ±(% of output + offset)
Voltage0.05% + 20 mV0.05% + 6 mV
Current0.05% + 3 mA0.05% + 4 mA
Readback Accuracy ±(% of output + offset)
Voltage0.05% + 20 mV0.05% + 6 mV
Current0.05% + 3 mA0.05% + 4 mA
Temperature Coeficient per ±(% of output + offset)
Voltage<0.1% + 3 mV
Current<0.2% + 2 mA
Tracking Accuracy ±(% of output + offset)
Voltage<0.1% + 40 mV
Transient Responce Time<50 µs
Stability, Constant Output and Temperature ±(% of output + offset), 8 hrs
Voltage<0.2% + 2 mV
Current<0.1% + 1 mA
Voltage Programming Speed
Rising time at full load1 ms
Rising time at no load1 ms
Falling time at full load2.5 ms
Falling time at no load250 ms
AC Line Input Voltage Ranges115/220 Vac ±10% (47 to 63 Hz)
Temperature RangesOperating: 0 to 40°C (32 to 104°F); Storage: -10 to 70°C (14 to 158ºF)
Common-Mode Voltage±240 Vdc
Dimensions (W x H x D)216 x 135 x 432 mm (8.5 x 5.3 x 17")
Weight6.5 kg (14 lb)
CommunicationsRS232/USB interface
Realizar Pedido(Especifique el número de modelo)
Número de pieza/Desc.
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Linear power supply
Notas: Comes with power cord, fuse and complete operator’s manual.