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SST Sensing Ltd

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SST Sensing Ltd

5 Hagmill Crescent
Shawhead Industrial Estate
United Kingdom

Tel: +44 (0) 1236 459020
Fax: +44 (0) 1236 459026

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SST Adds Industrial Level Sensor to it’s Portfolio

SST Adds Industrial Level Sensor to it’s Portfolio

Product News Monday, November 27, 2017: SST Sensing Ltd

Complementing its standard Optomax liquid level switch offering, SST Sensing’s Industrial Level Sensor, Optomax Industrial Glass, devices are highly suited to installation within harsh industrial environments.

Thanks to their stainless steel construction and glass sensor tip, these single point liquid level switches exhibit elevated operational robustness. As a result, these devices are ideal within applications where they are exposed to extreme temperatures (up to 125°C) and high pressures (up to 600bar).

The switch can detect the presence or absence of almost any liquid type, whether it is oil or water based. As an IR signal is used, the device is not impaired by the effects of ambient light, nor is its accuracy affected by foam when in air or by small bubbles when in liquid. An array of different N and P type output configurations can be specified – allowing the sinking or sourcing of up to 1A of current at supply voltage ranges from 4.5V to 15.4VDC or 8V to 30VDC (making it suitable for integration within modern industrial automation systems). These also allow the output to be configured so that either a high or low signal corresponds to a wet or dry state respectively. Options for connecting to inductive loads or digital interfaces are also available.

Relying on the same optoelectronic technology as the other devices in the Optomax family, the Optomax Industrial Level Sensor each comprise an infra-red (IR) emitter and a phototransistor. When the sensor tip is in air, the IR emitter and phototransistor are optically coupled to one another (with the light emanating from the emitter being internally reflected off the inside of the tip). If, however, the tip becomes immersed in a liquid, some of the IR signal will be dispersed rather than being reflected. The change in this signal will trigger a reaction from the built-in microcontroller connected to the phototransistor. Via this mechanism, the switch offers a highly accurate and responsive way of detecting the presence of liquid.

Since it is free from moving parts, the sensors are maintenance free and can be mounted in horizontal or vertical orientations. Its low-profile construction allows it to be integrated into small spaces and into tanks with stirrers and agitators.


About SST Sensing Ltd

For over a decade, SST Sensing Ltd has been developing and manufacturing fluid and gas sensing solutions. These are used to satisfy a broad range of demanding industrial, aviation, medical, transportation and domestic applications. The company’s extensive portfolio of products is made up of optically based liquid level sensors, ZrO2 based oxygen sensors/analysers, CO2 sensors and CO2quality monitors. For more information visit:





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