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  • ASX series | High Voltage power supply Rack mount | Matsusada Precision
  • ASX series | High Voltage power supply Rack mount | Matsusada Precision

ULTRA-LOW NOISE HIGH STABILITY HIGH VOLTAGE POWER SUPPLY

High Voltage Power Supply Featuring Ultra-Low Noise High Stability is Ideally Suited for Reference Voltage Source with High Accuracy.

  • Output voltage: ±3100V
  • Output current: 0 to 5mA
  • Rated output power: 15.5W
  • Bestseller

Top Class Quality with Low Ripple 1mVp-p

ASX series, an advanced high voltage power supply, features the world highest level of noise reduction and high stability. With the ultra-low noise of ripple 1 mVp-p as well as high stability of 50 ppm/H at ±3.1 kV output, the series is one of the most popular high voltage power supplies among various research institutes in Japan and all over the world.

In addition, the ASX series offers the digital setting system having a large-sized five-digit meter and three rotary encoder switches, so you can perform the quick and accurate setting at full scale output voltage of 170 ppm.
ASX series is especially suited for driving Photomultiplier Tubes (PMT) used in low-light-level measurement which could be adversely affected by very small noise and aging.

FEATURES AND BENEFITS

Ultra-low Noise
Ultra-low noise 1mVp-p at rated output voltage ±3.1 kV
Outstanding operability
Quick and accurate setting of output voltage with the digital setting system having a five-digit display of setting voltage and three rotary encoder switches used separately for the digits
Designing highly reliable system
High reliability of all solid state design equipped with many protection functions as standard

APPLICATIONS

Models

Model Output Voltage [V] Output Current [mA] Rated Output Power [W] Ripple [mVp-p]
ASX-3R5 0 to +3100 V/to -3100 V 0 to 5 mA 15.5 W 1 mVp-p
ASX-3R5-5 0 to +3100 V/to -3100 V 0 to 5 mA 15.5 W 5 mVp-p

Specifications

For details, download the datasheet below.

Options

-LA

Remote terminal is supplied (providing the following features).

  • Interlock
    High voltage output cut off by external switch
  • External output ON/OFF
    High voltage output ON/OFF by external relay
  • Output voltage monitor
    0 to ±10 V/maximum output voltage (output impedance 1 kΩ) same polarity as high voltage output
-LC

Current limit
Limits output current by dropping output voltage.

-LG

GPIB control (Discontinued in December 2028)
For output ON/OFF,output voltage setting (resolution 0.1 V) and switching polarity.

-LMh

A load side of the output cable will be MHV plug.

-LRs

RS-232C control
For output ON/OFF,output voltage setting (resolution 0.1 V) and switching polarity.

-LSh

A load side of -LSh the output cable will be SHV plug.

-LW

Slow start
Takes about 10 seconds to reach a set voltage after turning on the output.
(Takes about 5 seconds if setting half of the output voltage.)

-L(3m), -L(5m), -L(7m)

High voltage output shielded cable length change
Please choose high voltage output cable length from 3 meters, 5 meters, 7 meters.
(Please contact nearby sales office if specific length other than above.)

-LRs option and -LG option cannot be selected together. Need to be selected either one.

How to Order

When ordering, add Option No. to Model No. in alphabetical order followed by the cable length.
Example: ASX-3R5-LACGMhW(3m), ASX-3R5-5-LACRsShW(7m)

Accessories

AC Input Cable
Sold separately CABLE TYPE1 CABLE series | AC input cable | Matsusada Precision CABLE series | AC input cable | Matsusada Precision 125 V / 10 A rating 2.5 meters

Fixed length
Output Cable
Standard CN-BNC-HVP CN-BNC-HVP 2.5 meters
(Fixed length)
Standard
(-LMh option)		 CN-BNC-HVPP
(With MHV connector)		 CN-BNC-HVPP 2.5 meters
(Fixed length)
Standard
(-LSh option)		 CN-BNC-HVPSP
(With SHV connector on a load side)		 CN-BNC-HVPSP 2.5 meters
(Fixed length)

Dimensions

For details, download the datasheet below.

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