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HiTek Power® MSQ Series
Photo of XS Series Power Supply

Mass Spectrometry Power Supplies

The MSQ series consists of quad output modules for use in high leakage electrostatic lens applications. They provide reliable and consistent operation over long working periods.

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.
  • Output power: 85 W
  • Output voltage: ±430 V to ±1.35 kV
  • Quad outputs
  • Ripple: < 0.05% peak to peak
  • Temperature coefficient: 250 ppm per °C
  • Stability: 0.25% per hr after 1 hr warm up
  • Each output individually protected
  • High reliability
  • Screened case for low magnetic radiation
  • Compact design
Output Power 85 kW max (total of 4 outputs)
Output Voltage ±430 V to ±1.35 kV, depending on model
Output Current Up to 70 mA, depending on model
Output Polarity Not selectable
Input Voltage +24 VDC ±10%
Input Current 6 A max
Line Regulation < 0.5% for a 1 V input voltage change
Load Regulation < ±1% for output 1, ±4% for outputs 2, 3, and 4
Ripple < 0.05% peak to peak
Voltage Control Output voltages are fixed.
Current Control Fixed at approximately 110 to 130% of max
Stability 0.25% per hr after 1 hr warm up
Limits The units have limits for over-voltage, thermal, and short circuit on all outputs.
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 aluminium alloy case is used for good heat dissipation and screening.

Temperature Coefficient 250 ppm per °C at max output voltage
Cooling Forced-cooled (integrated fan)
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)
MSQ-801 24 V ±430 V and ±800 V 70 mA 85 W
MSQ-142 24 V ±430 V and ±1.35 kV 70 mA 85 W