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  • EQ series | High Voltage power supply Benchtop | Matsusada Precision
  • EQ series | High Voltage power supply Benchtop | Matsusada Precision

Compact and Lightweight Benchtop High-Voltage Power Supply

  • Max Voltage: 1 kV to 30 kV
  • Max Current: 1 mA to 30 mA
  • Max Power: 30 W
  • Easy-to-use front panel controls

Compact 30 kV / 30 W output in a slim 70 mm (2.76-inch) wide chassis

The EQ series is a compact, versatile high-voltage power supply featuring integrated digital voltage and current meters.
Its lightweight design ensures excellent portability, making it easy to share between laboratories or test stations. It is an ideal choice for rapid prototyping and preliminary testing.

FEATURES AND BENEFITS

  • High voltage/power of 30 kV/30 W
  • Ultra-compact and easy operation
  • Voltage and current digital meter as a standard

APPLICATIONS

Models

Positive polarity output
Model Name Maximum Output
Voltage Current Power
EQ-1P30 0 to +1 kV 30 mA 30 W
EQ-3P10 0 to +3 kV 10 mA 30 W
EQ-10P3 0 to +10 kV 3 mA 30 W
EQ-30P1 0 to +30 kV 1 mA 30 W
Negative polarity output
Model Name Maximum Output
Voltage Current Power
EQ-1N30 0 to -1 kV 30 mA 30 W
EQ-3N10 0 to -3 kV 10 mA 30 W
EQ-10N3 0 to -10 kV 3 mA 30 W
EQ-30N1 0 to -30 kV 1 mA 30 W

Functions

Front
Function 1
Rear
Function 2
  1. OUTPUT ON indicator (LED)
  2. OUTPUT ON/OFF switch
    Controls output ON/OFF in local mode. Functions as an emergency stop and reset in remote mode.
  3. POWER ON/OFF switch
    Main power switch (Overrides all other operations).
  4. Fault indicator (LED)
    Illuminates when Overcurrent or Overvoltage protection is activated.
  5. Remote control indicator (LED)
    Illuminates when the unit is in remote mode.
  6. Output voltage meter
  7. Output current meter
  8. Output voltage adjustment potentiometer
    (10-turn, lockable)
  9. High voltage output connector
  10. Ground (GND) Terminal (M6)
  11. AC inlet

Remote Connector

EXTERNAL OUTPUT ON/OFF

Remote switch ON/OFF
Output External relay Open collector
ON Short VCE ≤ 0.4 V
OFF Open VCE ≥ 2 V

Sink Current ≥ 10 mA

Output Control

Output Control
Output voltage Vcon
0 to Maximum 0 to 10 V
Input impedance ≥ 10 kΩ

Output Monitor

Output Monitor
Vout 0 to 10 V
(Monitor polarity equals output polarity.)
Iout 0 to +10 V
[Both output impedance 1 kΩ]

Specifications

Input voltage
100 to 240 Vac, 50/60 Hz, Single-phase
Output voltage control
[Local] 10-turn potentiometer on front panel
[Analog remote] External control voltage 0 to 10 Vdc

For details, download the datasheet below.

Options

-LCt

Overcurrent protection with shutdown
Cut off the high voltage output at approximately 105% of the rating

How to Order

When ordering, add Option No. to Model No.

Example: EQ-10N3-LCt
AC Input Cable
Included Accessory CABLE TYPE1 CABLE series | AC input cable | Matsusada Precision CABLE series | AC input cable | Matsusada Precision 125 V/10 A 2.5 meters
Fixed length
Additional Accessory CABLE TYPE3 CABLE series | AC input cable | Matsusada Precision CABLE series | AC input cable | Matsusada Precision 250 V/10 A 2.5 meters
Fixed length
Output Cable
Included Accessory CN-15MHVP output cable CN-15MHVP | Matsusada Precision 2.5 meters
(MAX 7 meters)
Included Accessory CN-30MHVP output cable CN-30MHVP | Matsusada Precision 2.5 meters
(MAX 7 meters)

Dimensions

For details, download the datasheet below.

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