Magnetic field influence indicators are used to fix the effects of constant magnetic fields on measuring devices ( water, ) which can influence the correct functioning of the counting mechanism. The use of magnets to stop meters is not a surprise to anyone, even if it is completely illegal. To protect the device from the influence of a constant magnetic field and to correct the fact of such impact, you can use a special indicator made in the form of an anti-magnetic sticker./p> The magnetic field influence indicator is a sealing sticker with a polymer container placed on it, in which magnetic elements made of rare earth material are located on a special base. The magnetic indicator works stably at air temperatures from -40ºС to +80ºС, resistant to solar radiation, relative air humidi
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| Type of indication: | By magnets |
| Operating threshold: | >50 mT |
| Features: | Shock-resistant |
| Dimensions, mm: | 60x26x5 |
| Sequential numbering: | 7-digit |
| Logotype: | Alphabetic |
| Method of marking: | Laser engraving |
| Operating temperature, t ̊ С: | -30 ̊ С +80 ̊ С> |
| Warranty period: |
6 years |
UUnder the influence of a constant magnetic field, magnetic elements shift from the equilibrium condition and attract to each other. At the same time, their primary position changes irreversibly (Fig. 2).
At an attempt to remove the indicator from the surface of the meter the hidden message "VOID OPEN" appears. (Fig. 3).
Fig.2 Fig.3
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