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  • KAS series | High Voltage power supply Module (Chassis Mount) | Matsusada Precision
  • KAS series | High Voltage power supply Module (Chassis Mount) | Matsusada Precision

MASS SPECTROMETRY POWER SUPPLY MODULES

Ultra Low Noise, High Stability

  • Output Voltage: 3 to 30 kV
  • Output Current: 0.25 to 10 mA
  • Output Power: 7.5 to 10 W
  • Single polarity

High-Stability High Voltage Power Supply Modules for Mass Spectrometry

The KAS series features compact, chassis-mount high-voltage power supply modules designed for precision instrumentation. Delivering ultra-low noise and exceptional output stability, this series is an ideal choice for Mass Spectrometry (MS) and Electron Beam/Ion Beam applications. Its high-performance design ensures stable biasing, deflecting, and focusing of electron and ion beams.

FEATURES AND BENEFITS

  • Optimized for High-Resolution Mass Spectrometry
  • High stability 10 ppm/H
  • Ultra-low noise
  • Output voltage and current monitoring

VERIFIED LONG-TERM STABILITY

Long-term stability test of Matsusada Precision KAS series | High Voltage power supply Module (Chassis Mount) | Matsusada Precision

The KAS series demonstrates exceptional output stability over extended periods. Our internal testing confirms performance that meets the rigorous requirements of high-resolution analysis. The downloadable report includes stability data recorded over an 8-hour period.

Download the High Stability White Paper

APPLICATIONS

Models

Positive polarity
Model Output voltage Output current Ripple/Noise
KAS-3P3.3 0 to 3 kV 3.3 mA 5 mVp-p
KAS-5P2 0 to 5 kV 2 mA 10 mVp-p
KAS-10P1 0 to 10 kV 1 mA 15 mVp-p
KAS-20P0.4 0 to 20 kV 0.4 mA 35 mVp-p
KAS-30P0.25 0 to 30 kV 0.25 mA 50 mVp-p
Negative polarity
Model Output voltage Output current Ripple/Noise
KAS-3N3.3 0 to -3 kV 3.3 mA 5 mVp-p
KAS-5N2 0 to -5 kV 2 mA 10 mVp-p
KAS-10N1 0 to -10 kV 1 mA 15 mVp-p
KAS-20N0.4 0 to -20 kV 0.4 mA 35 mVp-p
KAS-30N0.25 0 to -30 kV 0.25 mA 50 mVp-p
Discontinued models

The following model is no longer available as we have stopped production and sales.

Positive polarity
Model Output voltage Output current
KAS-1P10 0 to 1 kV 10 mA
KAS-3P4 0 to 3 kV 4 mA
Negative polarity
Model Output voltage Output current
KAS-1N10 0 to -1 kV 10 mA
KAS-3N4 0 to -3 kV 4 mA

Specifications

Input voltage
24 Vdc
Output voltage control
External 5 kΩ potentiometer or external control voltage (Vcon-in) 0 to 10 Vdc
For details, download the datasheet below.

Options

-LMH

MHV output connector (Available for models up to 5 kV)

-LRs

Digital control via RS-232C

-LRs4

Digital control via RS-485

-LSH

SHV output connector (Available for models up to 5 kV)

*Note that you cannot select -LMH and -LSH options or -LRs and -LRs4 options at the same time.

How to Order

When ordering, add Option No. in the following order by alphabet to Model No.
Example: KAS-30P0.25-LMHRs, KAS-5N2-LRs4SH

Diagram

Connection diagram

For details, download the datasheet below.

Dimensions

150 x 100 x 55mm (5.91" x 3.94" x 2.17")
175 x 100 x 68mm (6.89" x 3.94" x 2.68")
200 x 130 x 75mm (7.87" x 5.12" x 2.95")
For details, download the datasheet below.

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