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Flux detector small

foil to indicate magnetic fields, approx. 75 x 75 mm

Price and rebate
1 pc. 7.60 CHF ea.
from 3 pcs. 6.75 CHF ea.
from 10 pcs. 6.00 CHF ea.
from 20 pcs. 5.65 CHF ea.
from 40 pcs. 5.30 CHF ea.
Ask for a rebate from 200 pcs.
incl. VAT plus shipping

7.60 CHF

incl. VAT plus shipping

promptly deliverable

Available: 131 pieces

Delivery time: 1 - 2 business days


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This Flux Detector makes magnetic fields visible. It's accomplished by a foil filled with nickel particles in a gelatinous suspension. The Flux Detector turns dark in colour when the magnetic field is perpendicular to the foil (for example, near the poles) and turns lighter when the magnetic field runs parallel to the foil.
Other sizes upon request.

Technical data

Article IDM-04
Height75 mm
Width75 mm
Weight1 g


A common fridge magnet made of ferrite.
These magnets are often magnetised in stripes in order to increase the holding force in direct contact with metal. The magnetisation can be nicely seen here with the flux detector.
The detector maintains the last pattern until a new magnetic field is shown. Therefore, the flux detector won't be all green anymore once you started using it, but you'll see dark shadows.

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