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HiTek Power® MSRZ Series

Mass Spectrometry Power Supplies

The MSRZ series reversible source module provides a fast reversible output voltage with high stability, low ripple, and excellent repeatability for precision applications. It performs reliably even under short-circuit or arc conditions.

The modular design of AE high voltage products for mass spectrometry enables an array of performance features and combinations. From simple options, such as cable length and connector type, to complete custom designs, we deliver solutions that precisely fulfill your specific requirements.

Model-Specific Downloads

MSRZ series brochure
MSRZ series brochure   JAPANESE
CAD .sat File
CAD .stp File
MSRZ series 3D PDF  (For 3D viewing, please enable Adobe Viewer in your web browser)

  • Output power: 3.2 W
  • Output voltage: ±1 to ±20 kV
  • Ripple: < 40 to < 300 mV
  • Temperature coefficient: 25 ppm per °C
  • Stability: < 0.01% per hr, 0.05% in 8 hr after warm up
  • Reversible outputs
  • Fast switching
  • Four quadrant power stage
  • Controllable through zero
  • High reliability
Output Power 3.2 W max
Output Voltage ±1 to ±20 kV
Output Current 0.35 to 1 mA, depending on model
Input Voltage +24 VDC ±10%
Input Current 1 A, max, depending on model
Line Regulation < 10 ppm for a 1 V input voltage change
Load Regulation < 10 ppm for a 10 to 100% load change
Ripple < 40 to < 300 mV, depending on model
Voltage Control 0 to 10 V = 0 to 100%, accuracy ±2%
Current Control Fixed at approximately 110 to 130% of max
Voltage Monitor ±10 V = +100 to -100%, accuracy ±2%
Current Monitor ±10 V = +100 to -100%, accuracy ±2%
Polarity Control Low < 0.8 V = Negative
High > 3.5 V or open = Positive
Inhibit Low < 0.8 V = Enabled
High > 3.5 V or open = Inhibited
Stability < 0.01 % per hr, 0.05% in 8 hr (after 1 hr warm up)
Limits Units have limits for over-voltage, short circuit, and intermittent arcs to ground.
Reliability MTBF > 50,000 hr
Humidity 80% max relative humidity up to 31°C (88°F), reducing linearly to 50% at 40°C (104°F); non-condensing (ref EN61010-1)
Safety Meets the requirements of the low-voltage directive, 2006/95/EC by complying with BS EN61010-1:2010 when installed as a component part of compliant equipment. Units are CE-marked accordingly.
RoHS Meets the requirements of EU directive 2011/65/EC on the restriction of use of certain hazardous
substances in electrical and electronic equipment (RoHS).
Construction A fabricated aluminum alloy case is used for good heat dissipation and screening.
Options A control option can be supplied with a bipolar input voltage program of ±10 V without the polarity control signal. Please consult our sales team for part numbering for this option.

Temperature Coefficient 25 ppm per °C at max output voltage (tested with external voltage control, 10 ppm available on request)
Cooling Convection-cooled
Operating Temperature  10 to 50°C (50 to 122°F)
Storage/transport Temperature -20 to 85°C (-4 to 185°F)
Operational Altitude Sea level to 2000 m (6500′)
Storage/transport Altitude Sea level to 18,000 m (59,055′)


Accuracy of specifications in unlocked documents cannot be guaranteed. Please contact your AE representative to confirm specifications.

This series is available in the following models.

Model Input
Current (Max)
MSRZ-102 +24 VDC ±1 kV 1 mA 3.2 W
MSRZ-252 +24 VDC ±2.5 kV 0.5 mA 3.2 W
MSRZ-302 +24 VDC ±3 kV 0.4 mA 3.2 W
MSRZ-502 +24 VDC ±5 kV 0.4 mA 3.2 W
MSRZ-802 +24 VDC ±8 kV 0.4 mA 3.2 W
MSRZ-103 +24 VDC ±10 kV 0.3 mA 3.2 W