• KA-R series
  • KA-R series

KA-R series

MASS spectrometer reversible power supply

Ultra low ripple, high stability

SEM and MASS Spectrometry High Voltage Power Supply

The KA-R series are ultra low ripple and highly stable HV power supply, suitable for SEM and MASS applications. The output polarity is switchable with an external signal.

Features and Benefits

  • Designed for SEM and MASS applications
  • High stability 0.001%/5 min
  • Ultra low ripple noise
  • Output polarity changed by external signal
  • Output voltage, current monitor


Model Output Voltage
Output Current
Output power
KA-10R1 0 to +10/-10 1 10 30 mV
KA-20R0.4 0 to +20/-20 0.4 8 70 mV
KA-30R0.25 0 to +30/-30 0.25 7.5 100 mV


For details, download the datasheet below.


-LTc10: Temperature cofe. 10 ppm/°C

-LX: Control connector Molex 12-pin

Base plate
215W x 240L (20 kV, 30 kV)
200W x 155L (10 kV)

How to Order

When ordering, add Option No. to Model No.in alphabetic order followed by numerical order.


I/O (D-sub) Connector assignment

For details, download the datasheet below.


For details, download the datasheet below.


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High Voltage power supplies (Chassis Mount/PCB Mount)