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Magnetic fields gauge MFG-1-M


      The devise is intended for search of diagnostic and purifying pigs in trunk pipelines in case of stoppage and passing detection. The device provides measurement of module and three components of induction by only one transducer, automatic compensation of background field, sound and light indication of exceeding of this field, detection and demonstration of the time of pig passing on the liquid crystal indicator. The device can be used also for testing of magnetization level of details and wares after magnetic crack detection, details and wares of mechanical engineering, machine-tool construction and instrument making, aircraft industry, power engineering, for testing of characteristics of magnetic fields sources and spatial distribution of these characteristics.
      The device provides measurement of three components and module of induction of small and middle constant magnetic fields by three mutually orthogonal flux gate elements, and also middle and big constant and alternating magnetic fields by three mutually orthogonal Hall elements. The device has only one transducer (all measuring elements are placed in it) and provides:
       - pig detection in case of its stoppage inside a trunk pipeline, and detection of pig passing along the pipeline with simultaneous sound and light alerting;
       - detection and demonstration of the time of pig passing on the liquid crystal indicator;
       - measurement of small and middle constant magnetic fields with digital indication of three components and module;
       - measurement of middle and big constant and alternating magnetic fields with digital indication of three components and module;
       - measurement of inhomogeneity of magnetic field (distribution of products magnetization) or spatial distribution of the field near sources with automatic compensation of the background field and digital indication of three components and module, as well as sound and light indication for detection of exceeding of the background field (established level of magnetic field).

Specifications

Range of measurement of any component or module of magnetic induction, milliteslas

0,001-2000

Limits of basic error, milliteslas:
     - in the sub-range up to 60 mT

(0,05 + 4% of module of measurable induction)

     - in the sub-range from 60 mT

(0,05 + 3% of module of measurable induction)

Power supply

4 alkaline batteries or accumulators (AA type)

Range of working temperatures,

from -10 to +40

Overall dimensions, millimeters, no more than:
     - the electronic module

225x120x65

     - the transducer

Ø33x220

Weight of the device, grams, no more than

650

Metrological certification, warranty and after-sales service

Phone/fax: (017) 284-23-07; E-mail: Lukhvich@iaph.bas-net.by

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