Ion Multi Gauge Controller MG15

Able to support 4 active gauges and up to 3 passive gauges, extending the measurement range to 2×10-12 mbar.



Prevac are a world leader in the design and production of analytical and deposit scientific and research equipment. Their systems operate in a high and ultra high vacuum environment. They design and construct UHV and HV systems fully adapted to the individual requirements of research projects and industrial applications.

Key Features

  • Measurement range from atmospheric to 2×10-12 mbar
  • Pressure plots
  • Pressure trend graphs
  • Measurement filtering (low, med, hi)
  • Controls almost all commercially available Bayard-Alpert gauges
  • Degassing of Bayard-Alpert with power and time limit
  • Supports Ir/W/Thoria filaments
  • Bayard-Alpert overpressure protection
  • Selectable measurement units: mbar, Torr, Pascal, Psia
  • Gas specific correction with one customised setting
  • Unit over-temperature protection
  • 10 individually programmable set-points with threshold and hysteresis functions
  • User-defined channel names
  • Possibility of active gauges self-identification
  • Charts module – real time pressure charts with data export possiblity (option)
  • Pararell measurement for all channels
  • Flux monitor
  • Black box version available (option) – without 7″ TFT display
  • Fully software controlled (option)
  • Autosave function for saving your parameters/unit preset and applying them automatically after restart
  • Labview compatible (option)


The unit is fully software controlled. The unit can be remotely controlled via one of available interfaces.


Technical data

Supply voltage 100 – 240 VAC, 50 – 60 Hz (power consumption max 200 W)
Measurement channels up to 7 (active channels: 4; passive channels: up to 3 – number defined at the time of order)
Supported active gauges CTR90, TTR91, TTR211, PTR225, PKR251/360/361, PCR280, PTR90, ITR90, ITR100, Baratron, ANALOG IN, PG105, ATMION, User defined*
Supported passive gauges IE414, IE514, UHV-24, UHV-24p, MKS Series 274, NUDE-UHV-8A, NR-F-UHV, G8130, BARION basic II, User defined*
Measurement range:
Passive channel
Active channel
2×12-12 mbar
5×10-10 mbar
Display range 2×10-12 – 2×105mbar
Setpoints relay outputs 10 (4xNO/NC, 6xNO)
Relay outputs with configurable activation signal 4 (Emission, Degas)
Digital inputs 4
Analogue outputs 4 (0-10V)
Communication interface RS232/485, Ethernet, PROFINET (option – specify at order)
Communication protocol MODBUS-TCP
User interface 7″ TFT display with touchscreen
Dimensions [mm] 212.6 x 128.4 x 260.3 mm (WxHxD), 1/2 of 3HE 19″
Weight (approx.) 3.8 kg


  • Any high and ultra high vacuum systems
  • Measurement of pressure (from atmosphere to UHV range)
  • Bakeable and non bakeable systems



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Comprehensive repairs and servicing

Annual Support Programs

Your metrology instrumentation is a major investment that is critical to your business operation and success. In today’s competitive climate, it is more important than ever to extend the functionality and peak performance of your metrology equipment years beyond the expiration of your factory warranty. CN Tech’s Support Programs will help ensure that your investment is protected, and that you and your instrument’s are always operating at peak performance.

With over 20 years’ experience servicing and repairing you can be assured that your system is in safe hands. The independent services we offer include system relocation, maintenance visits, parts and consumables, and break down interventions.

CN Tech’s Support Programs are an economical way to guarantee optimal working condition:

  • Annual Preventive Maintenance
  • Priority Technical Assistance
  • Preferred Parts Availability
  • On-Site User Training
  • Remote Diagnostics
  • No surprise repair expense and much more!

Support Contact Example

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Metrology & Instrumentation Annual Support Programs 2022/23

CN Tech's Support Programs will help ensure that your investment is protected, and that you and your instrument’s are always operating at peak performance.

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