LS-1900(E) – EXi Intrinsically Safe ATEX Level Switch

ATEX intrinsically safe version of the standard LS-1900 level switch.

Excellent stability for general use in oils and water with large float displacement, the LS-1900(E) ATEX level switch withstands rough service; suitable for high viscosity liquids. Intermediate in size.


When the magnetic field of permanent magnet inside the float is moved into to the proximity of the reed switch inside the stationary stem, the reed switch contacts “snap” together and closes the electrical circuit. When the magnetic field is moved away from the reed switch, the reed switch contacts move apart and the circuit is opened.


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Brass or 316 S/S stem with Buna float
1/4"NPT or 1/4"BSP
Certification Level
EEx ia IIB T6 to T2