Both devices have similar basic functions, units of measurement Gauss, Tesla, Amps / m.Peak, Hold, Auto Range, True RMS (true RMS readings), True Peak (true peak) and Relative Mode (relative measurements). You can work with an accuracy of 1% and apply the function Auto Zero, Min.Bell 51 are equipped with an active LCD display, which displays all the necessary parameters and values clearly even in the degraded conditions of illumination.Suitable for accurate and fast measurement of AC and DC magnetic fields.Battery life: 72 hours of uninterrupted working, several months of normal usage.Calibration/certification may be ordered when the instrument is purchased, or the instrument may be returned for recalibration/certification.
Calibration includes readings taken at three points in each range and each polarity including zero. All MG-25 Magnetic Field Indicators can be certified in accordance with ASTM E1444.(Calibration Certificates are available upon request at time of order.) Calibration to a Level of +/- 1 gauss at 10 gauss is performed utilizing a calibration fixture, calibrated with a gauss meter which has been calibrated in accord with standards traceable to the N.I.S.T.įor those applications where the sensitivity of the instrument, as supplied, is of high significance, the full-scale reading (+/- 20) is obtained when the meter is subjected to a field whose known intensity is 20 gauss. Magnetism Detectors are calibrated prior to shipment, as signified by the sticker applied and initialed by a member of MAC’s Quality Control staff (does not come with a certificate of calibration). Each piece should be tested separately, however, so that the reading is not affected by adjacent parts. When checking magnetized bar stock or tubing, a reading of 10 or less is usually acceptable. The meter scale reads 20 units on either side of a zero center point, allowing for quick identification of the field’s polarity as well as the level of the magnetic field.įull scale deflection is equal to approximately twenty gauss. The needle indicator will move to a point on the scale that represents the strength of the magnetic field of the material (in gauss). The Magnetic Analysis Magnetism Detector is widely used by steel suppliers and fabricators to indicate the degree and polarity of residual magnetism in ferrous products.Įasy to use, simply place the base of the indicating needle against the object you are testing. To Indicate Residual Magnetism in Iron and Steel Objects.To measure the AC and / or VC magnetic fields to measure the Earth's field, to monitor cargo aviation air transport, etc.
Offer magnetometers, gaussmeters, milliteslameters, milligaussmeters, residual field indicator.
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