MAGNAFLUX Generic Field Indicator:
The MAGNAFLUX general purpose field indicator is a rugged, pocket size, noncalibrated field indicator that measures 2 _” in diameter and perfect for field use. The field indicator is scaled +10 or -10 gauss from 0 center. Each division represents 1 gauss. The field indicator is used to determine if there is residual magnetism left in the part.
10 Gauss Calibrated Field Indicator -
The MAGNAFLUX 10 Gauss Calibrated Field Indicator is calibrated field indicator has a scale range of +10 or –10 gauss from 0 center. Each large-scale division represents 1 gauss and the small divisions represent _ gauss. The 10 gauss calibrated field indicator is accurate to +/− 0.3 gauss.
20 Gauss Calibrated Field Indicator -
The MAGNAFLUX 20 Gauss Calibrated Field Indicator is for general purpose use as may be required in various demagnetization specifications. Scaled +20 or –20 or minus, gauss from 0 center with large divisions at 2 gauss and small divisions at 1 gauss. The gauss field indicator will withstand exposure to fields as strong as 400 oersteds without affecting calibration and is accurate to +/- 0.5 gauss
Note! Calibration field indicators should be re-calibrated every 6 months.
Magnetic Field Indicators are used to check residual magnetism after magnetic particle testing
Place the field indicator near or directly against the object being tested. The lower rim of the indicator below the arrow is the most sensitive part of the meter and should be placed closest to the part being measured. Indicator should be placed near a position on the part that exhibits flux leakage – such as at the end of a bar shaped part. Magnetic polarity of the field is being measured by the direction of the pointer deflection on the center zero scale. A plus (+) indicates the meter has been presented to a North magnetic pole and minus (-) to a South Pole. The higher the reading, the stronger the magnetic field. Readings in gauss relate only to the magnitude of external leakage fields and should not be misconstrued as the flux density within the part.
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