Magnetically responsive circuit-element module for liquid-level

Measuring and testing – Liquid level or depth gauge – Float

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73DIG5, 339 49R, 361404, G01F 2312, H01H 3518

Patent

active

045370702

ABSTRACT:
Components of a .pi.-network of resistors and magnetically responsive reed switches are encapsulated to form modules with keyed ends for end-to-end interlocking assembly. Conductive tabs of one module mate with those of the next module to establish electrical connection therebetween. Keying polarizes the modules to prevent incorrect assembly. The modules can be made with 2.sup.n switches where n is any positive number including zero. Probe assemblies of any length can be produced with the spacing interval between reed switches being uniform throughout the length of the probe.

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patent: 4284904 (1981-08-01), Tetro

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