Mayuresh Engineers & Fabricators offers Indicator for Checking Residual Field after Demagnetization. Mayuresh Engineers & Fabricators has obtained ISO 9001:2000 certifications. Indicator for Checking Residual Field After Demagnetization is available with a centre zero it has 10 divisions on either side and each division corresponds to approximately one gauss. Indicator for Checking Residual Field after Demagnetization is held in hand so that the arrow points towards the point of test and then slowly moved towards this point until it establishes contact with it. This is a delicate instrument and care should be taken that the pointer does not overshoot the scale. It should be stored away from areas of high magnetic field.