Sample for natural gas meter magnetic ring, also known as gas meter or gas meter ring magnet, radial 4 poles magnetisation, magnetic ring specification OD 19.5mm, hole 12.5mm, height 12.5mm, 4 poles magnetisation on one side, there is one side with 4 grooves, if you need to buy in bulk please contact us to provide samples for quotation.
Natural gas meter magnetic ring magnetization mode and sample display;