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new-fuellstand.png: Conductive Level Switch (WHG) NEW

Conductive Level Switch (WHG) NEW

For conductive liquids

Contact: 2 contacts via relays
Connection:
G ½, G 1½ male thread, ½" NPT, ½" NPT male thread
Material: stainless steel, Hastelloy®, titanium
pmax: pressureless
tmax: 60°C
For conductive liquids (>20 μS/cm)

Datasheet

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n1gb_new

191 KB

Approvals

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WHG

9,5 MB

Description

KOBOLD limit switches of model NEW are used for level monitoring and pump control of conductive liquids. The design without any moving parts also allows service with critical media with, for example, solid content, negligible density or high viscosity. The instruments operate on the conductive principle.

A low a. c. voltage is applied between the earth electrode and a switching point electrode. The a.c. voltage is electrically isolated from the mains for safety reasons. If the conductive medium touches the electrodes, a negligible alternating current flows across the electrodes and the conductive medium to the electrode relay. The relay amplifi es the alternating current and operates a switching relay or a pump controller. One electrode NEW-... and one electrode relay type NE-204 are required per switch point for overfi ll protection* (according to § 19 WHG)

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