Bullet Sensors & Transducers e-Digest, Vol. 118, Issue 7, June 2010: Product News

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Low-noise Aerospace-qualified Magnetometer



Bartington Instruments has recently been taking enquiries from customers about our Mag629 three-axis magnetometer and we’d like to clarify what a versatile piece of equipment it is.


Users of this magnetometer have traditionally been from the defence sector, perhaps not surprisingly since the Mag629 complies with a number of Military Standards, including those related to temperature and vibration. However, the 629’s robustness means it is capable of operating in particularly harsh environments and its two-piece construction enables its use in an extremely wide range of applications. For example, the Mag629 is ideal for airframe compensation on standard aircraft but can just as easily be mounted on land or sea-based vehicles.


The three sensor axes are arranged to have a common point of intersection (concurrent), clearly defining the "centre of measurement" of the magnetic field being examined.


The tough and compact sensor head is normally separated from the electronics module by a one meter cable, but this can be modified, within certain parameters, to suit the customer’s requirements.


Mag629 features:

  • Low noise (<8pTrms/Hz @ 1Hz)

  • Bandwidth of 1.1kHz

  • ± 75 μT full scale range

  • Concurrent sensing axes

  • -55 to +55°C continuous operating temperature range

  • Two part construction

  • Operates from a +28 V supply

  • Tested to MIL-STD-202G, MIL-STD-810C, MIL-STD-810F and many others.

Please refer to the datasheet available on the Bartington website for the full list of features. Bartington Instruments designs and manufactures a wide range of magnetic measuring instruments. These are used globally in the defence, aerospace, geophysics and physics sectors with increasing interest from medical and industrial users.


Our range includes single and three-axis fluxgate sensors, fluxgate gradiometers and magnetic susceptibility measuring equipment. Bartington Instruments also offers bespoke magnetometer design and manufacturing solutions.






Ludovic Letourneur

Bartington Instruments

5, 10 & 11 Thorney Leys Business Park

Witney, Oxfordshire, OX28 4GE, UK

Tel.: +44 (0) 1993 706565

E-mail: ludovic.letourneur@bartington.com

Mag629 three-axis magnetometer application


U.S. Navy photo used with permission without endorsement
expressed or implied.


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