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MODEL 3601
FEATURES

Triple output power supply: −30/−50 kV @ 300 μA, 0 to +10 kV @ 200 μA, 0.1 to 5 A

  • Output ripple under 100 mV at full load
  • Temperature coefficient under 300 ppm/°C
  • Stored energy under 1 J
  • Low reflected ripple on input power line
  • Rack-mountable
  • Commonly used with electron probes and similar applications
DESCRIPTION

Model 3601 is a high voltage system for scanning electron microscopes. The standard configuration provides −30 kV accelerator voltage, 10 kV bias/focus voltage and up to 5 A for the gun's filament. The bias and filament supplies float at the accelerator voltage. They can be isolated from ground by up to 40 kV, while power input and all controls remain at ground potential. An isolated serial communication link to an external computer allows control over the three supplies and monitoring of their outputs. Supplied software includes a Windows graphical user interface and its DLL. The source is available from CPS upon request.

NOTE: CPS also offers a −50 kV version of the 3601, which is referred to by the model number 3601-50 for clarification. Certain specifications in the table below may only be applicable to the −30 kV ″3601-30″ configuration. Please call for further details regarding customization.

ACCESSORIES
PN Image Description
3603CBL 3-conductor, high voltage output cable (included with model 3601).
SPECIFICATIONS
Acceleration Voltage
Output voltage0 to −30 kVDC
Output current300 μA maximum at full load
Accuracy±1% from 0 to −30 kV
Ripple< 100 mV peak-to-peak
Stability10 ppm/hour (25 °C, bias and filament fixed)
Temperature coefficient< 100 ppm/°C
Bias
Output voltage0 to +10 kVDC
Output current200 μA maximum at +10 kV
Accuracy±5% from 0 to +10 kV
Ripple< 100 mV peak-to-peak
Stability10 ppm/10 minutes (25 °C, filament fixed)
Temperature coefficient< 1000 ppm/°C
Filament
Output0 to 25 W (0.1 to 5.0 A at up to +5 VDC)
Load resistance0 to 1 Ω
Accuracy±1%
Ripple< 10 mV peak-to-peak
Stability100 ppm/10 minutes
Temperature coefficient< 300 ppm/°C
General
Input voltage110 to 240 VAC, 5 to 60 Hz
Dimensions19 × 5¼ × 16 in.
SchematicsBlock diagram of Model 3601
DOWNLOADS
ManualInstruction manual for Model 3601
Application softwareGraphical UI and DLL for Model 3601
PRICES
Model Description Price Order Qty.
1 2–9
3601-30 −30 kV electron probe power supply $4,070 $3,700 Call
3601-50 −50 kV electron probe power supply $4,070 $3,700 Call