MASS SPECTROMETRY
HIGH VOLTAGE POWER SUPPLY
- Voltage range: ±3 to ±30 kV
- Current: 0.25 to 10 mA
- Power: 7.5 to 10 W
- Reversible Polarity
Exceptionally low ripple and high stability designed for high-resolution Mass Spectrometry applications
The KAS-R series is a high-voltage power supply engineered for ultra-low ripple and high stability. Optimized for High-Resolution Mass Spectrometry (MS), specifically Time of Flight (TOF-MS) applications, it features reversible polarity control via an external signal.
FEATURES AND BENEFITS
- Designed for Time of Flight Mass Spectrometry (TOF-MS) applications
- High stability (10 ppm/hr) and ultra-low ripple
- Reversible polarity via external signal
- Output voltage and current monitoring
- Digital control options available (RS-232C / RS-485)
APPLICATIONS
Models
| Model | Output Voltage | Output Current | Output Power | Ripple |
|---|---|---|---|---|
| KAS-3R3 | 0 to +3/-3 kV | 3 mA | 9 W | 5 mVp-p |
| KAS-5R2 | 0 to +5/-5 kV | 2 mA | 10 W | 10 mVp-p |
| KAS-10R1 | 0 to +10/-10 kV | 1 mA | 10 W | 15 mVp-p |
| KAS-20R0.4 | 0 to +20/-20 kV | 0.4 mA | 8 W | 35 mVp-p |
| KAS-30R0.25 | 0 to +30/-30 kV | 0.25 mA | 7.5 W | 50 mVp-p |
| Model | Output Voltage | Output Current | Output Power | Ripple |
|---|---|---|---|---|
| KAS-1R10 | 0 to +1/-1 kV | 10 mA | 10 W | 2 mVp-p |
Specifications
- Input voltage
- 24 Vdc
- Output voltage control
- External 5 kΩ potentiometer or external control voltage (Vcon-in) 0 to 10 Vdc
Options
- -LMH
-
MHV connector
(Available for models up to 5 kV)
- -LRs
-
Digital control via RS-232C
(A digital communication connector is included.)
- -LRs4
-
Digital contorol via RS-485
(A digital communication connector is included.)
- -LSH
-
SHV connector
(Available for models up to 5 kV)
Note:
Digital control is enabled via RS-232C or RS-485. One unit can be connected per COM port on a computer.
For detailed interface functions, please refer to the datasheet of the digital controller CO/USB series.
The -LMH and -LSH options cannot be selected simultaneously with the -LRs or -LRs4 options.
How to Order
When ordering, add Option No. in the following order by alphabet to Model No.
Example: KAS-10R1-LRs
Diagram
Connection diagram
Dimensions
160 x 120 x 60mm (6.30" x 4.72" x 2.36")
180 x 150 x 60mm (7.09" x 5.91" x 2.36")
230 x 220 x 100mm (9.06" x 8.66" x 3.94")
For details, download the datasheet below.
Download
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-
KAS-R series Datasheet
Date: 2025-05-20 rev.14
PDF (932 KB)

-
High Voltage Power Supplies -For MASS SPECTROMETRY- Selection Guide
Date: 2023-07-31 Rev. 06
PDF (6,757 KB)

-
High Voltage Power Supply Modules Selection Guide
Date: 2026-01-28 rev 19
PDF (4,914 KB)

-
Safety and Usage of High voltage Power supply
Date: 2025-09-08 rev 04
PDF (602 KB)

-
KAS/KAS-R series Instruction Manual (LRs, LRs4 option)
Date: 2021-05-12 rev. 0.1
PDF (491 KB)

-
KAS-R series 3D MODELS (STEP, IGES)
Date: 2024-10-21
ZIP (1,451 KB)
Login Required

-
KAS-R series Datasheet
Date: 2025-05-20 rev.14
PDF (932 KB)

-
High Voltage Power Supplies -For MASS SPECTROMETRY- Selection Guide
Date: 2023-07-31 Rev. 06
PDF (6,757 KB)

-
High Voltage Power Supply Modules Selection Guide
Date: 2026-01-28 rev 19
PDF (4,914 KB)

-
Safety and Usage of High voltage Power supply
Date: 2025-09-08 rev 04
PDF (602 KB)

-
KAS/KAS-R series Instruction Manual (LRs, LRs4 option)
Date: 2021-05-12 rev. 0.1
PDF (491 KB)

-
KAS-R series 3D MODELS (STEP, IGES)
Date: 2024-10-21
ZIP (1,451 KB)
On this website, we provide only the latest versions of information and instruction manuals for our products. Therefore, the newest versions of manuals on the website may differ from those that came with products you purchased in the past.
