Compact level switch for powders/granular media

A new vibrating rod level switch is suitable for level detection on 'solids' such as powders with densities as low as 0.05 kg/dm3 or any granular media with a diameter up to 10mm

A compact, vibrating rod level switch which is suitable for level detection on 'solids' such as powders with densities as low as 0.05 kg/dm3 or any granular media with a diameter up to 10mm, is the latest addition to the Magnetrol International range.

The Solitel switch benefits from a rugged and reliable design, which enables it to operate safely in applications where pressures are up to 25 bar and temperatures up to a maximum of 160C.

It has an aluminium housing which makes it suitable for use in hazardous areas (Dust EX Zone 10).

The Solitel switch has a number of important features.

For example, vibrating rod level probes can be prone to media build-up, which if left unchecked can impair reliability and cause problems of false alarms.

However, as the Solitel switch incorporates features such as self-cleaning probe and polished sensor as standard, the problem of deposits settling on the probe and media build-up are eliminated.

The switch is designed to respond within less than 2s (or 5s following field selectable setting) by means of an integrated 8A SPDT relay or a 'solid state' output and is field selectable to high/low level failsafe alarm.

The solid state output means it can be connected directly to a PLC, or to an external load, such as a pump, a light bulb, or to any logical voltage input.

The status of the output is visible by means of an LED built into the cover of the unit.

The Solitel switch is supplied with either a standard probe length of 235mm, a rigid extended rod up to 3m, or cable extended sensor up to 20m.

It is line powered (16 to 40/85 to 265V AC or 19 to 55/120 to 375 V DC) and offers separate cable entry for signal output/input power.

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