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GasLab offers SST Liquid Level Sensors

Liquid level sensors, also known as liquid level switches, are used to signal the user if there is liquid in a container.

Learn about how liquid level sensors work here.

At GasLab we now offer 3 of the most popular models of SST’s Optomax optical Liquid Level Switches. SST Sensing’s optical liquid level switches are all solid state, so there are no unreliable moving parts. They are compact, only protrude a small distance into the application and are able to detect small amounts of liquid.

These intelligent switches have low sensitivity to ambient light and are not affected by foam when in air, or small bubbles when in liquid. Their ability to survive in wide operating temperatures and harsh liquid media for long periods of time result in a very robust switch.

Optomax Liquid Level Sensor Models

basic liquid level sensor SST

Basic Liquid Level Sensor. These polysulfone sensors are best suited for low power signaling of liquid presence or absence. They output a voltage when liquid is sensed, and are designed for low-cost applications where the user is responsible for switch logic. The sensors mount from inside the container, use an industry-standard M10x1 thread (10 mm diameter and 1 mm thread pitch), and can accept any supply voltage between 3.3-24 volts. Switch is rated for use between -25 to 80⁰C.

Learn more about or purchase the Optomax Basic Liquid Level Switch here.


liquid level sensor

Digital Liquid Level Sensor. These sensors are best suited for low power signaling of liquid presence or absence where a digital output is required. Polysulfone externally-mounted sensors with industry-standard ¼ NPT thread (18 TPI). They can be powered by 4.4 to 15.4VDC. The model LLC-700D3LSH we offer is rated for use between -25 to 80⁰C and has a response time less than 4 seconds. Internal logic is the output is low in air.

Learn more about or purchase the Optomax Digital Liquid Level Switch here.


liquid level switch

Industrial Digital Liquid Level Sensor. Designed where high power signaling of liquid presence/absence is required, or, operation at higher (industrial) voltages. Industrial range switches are capable of driving high power loads, and are able to (depending on output type) sink/source up to 1A. The model LLC-710D324-004 is externally mounted. It uses a polysulfone shell, M12x1 thread (12 mm diameter and 1 mm thread pitch), -40 to 125⁰C operating temperature.

Learn more about or purchase the Optomax Industrial Digital Liquid Level Switch here.


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