Used GSM-19 Overhauser magnetometer for sale. With GPS and navigation.

Modern Mag currently has for sale a < 1 year old GEM Systems GSM-19 Overhauser magnetometer with built in GPS and navigation. This magnetometer has mostly been used as a base station and thus is near new. It has the latest Novatel OEMstar GPS and firmware. The console also has the latest firmware and navigation features. Includes a spare GPS cable. There is an opportunity here for you to save a few bucks off the new price. Please contact us for more details.


  1. Justin Ward
    Sep 12, 2014

    Hello John, contact me privately for pricing please. Lots of models to choose from. Need to know what you are using magnetometers for, so we can choose the right one for you. Justin.

  2. Petco Matchev
    Sep 29, 2014

    Hi Justin

    I am very interested in the above, please advise if it is still available and give an indication of the price



    • Justin Ward
      Sep 30, 2014

      Hello Petco,

      It sold a long time ago. Only took a week to sell. GEM Overhausers hold their value quite well since they are the most popular magnetometers we sell. The used price was very close to the new price. Contact me on my email if you require a quote on new. Modern Mag will have our new magnetometer controller that interfaces to the GSM-19 Overhauser ready by November 6th.


  3. Karl L
    Mar 17, 2015

    Hello, what is price of your most low cost overhauser magnetometer? also what is dimension of it?

    Best regards
    Karl L

    • Justin Ward
      Mar 23, 2015

      Hello Karl,

      Please email me directly for magnetometer details and pricing.


  4. Paul
    Nov 17, 2015

    Do you have a used Geometric 866 for sale?

    • Justin Ward
      Nov 22, 2015

      Yes we could have. You mean 856 right? Feel free to call me to discuss. Justin.

  5. George
    Jan 22, 2016

    i”m looking for GSM_19 Proton Precession Magnetometer to use for groundwater and geotechnical investigations. Please share the price with me

    • Justin Ward
      Jan 25, 2016

      Hello George, please contact me via email for pricing. Justin.

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