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Displacer Level Switches

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Because displacer level switches come into physical contact with the materials they measure, they are a mechanical level switch variety. Displacer level switches are important tools in the measurement and control of a wide variety of materials in many contexts. Particularly in post-industrial process water treatment, displacer level switches are important level measurement tools. Read More…

Displacer Level Switches A displacer level switch is a level sensor and control utility that monitors and measures the changes in buoyancy force placed on a displacer. This is accomplished through the suspension of at least one weight by a spring. Changes to the tension of the spring reflect changes in the level of the materials being measured.
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Leading Manufacturers

Monterey, CA  |  831-373-0200

Sierra`s Innova-Switch™ electronic instruments and devices represent the state-of-the-art in gaseous and liquid flow switching or liquid level control.

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Sierra Instruments $$$

Minnetonka, MN  |  800-328-6170

Electro-Sensors manufactures a complete line of motion monitoring and speed control systems for industrial machinery including: Speed Sensors, Speed Sensitive Switches, Tachometers, Counters, Speed to Analog Converters, Digital Pulse Generators, Closed Loop Motor Speed Control Systems, and Material Level Controls. We have over 35 years experience manufacturing reliable products.

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Electro-Sensors, Inc. $$$

Fultonville, NY  |  800-833-0081

Anderson-Negele is a leading designer and manufacturer of high-quality pressure gauges, pressure switches, level switches and other transmitter instruments for the sanitary process of a variety of industries such as beverage, dairy, fluid food, biopharmaceutical. Our instrumentation will meet or exceed all requirements for performance, reliability, cleanability, and sterilization.

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Anderson-Negele $$$

Plainville, CT  |  855-877-9666

Over 50 years of sensors and controls development experience is only one of the many advantages to choosing Gems Sensors & Controls. We offer high quality switch and sensor solutions including standard level switches to suit your needs. Gems' expert team, cost-efficiency and commitment to lean manufacturing are further benefits to our valued customers. Call us today!

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Gems Sensors & Controls $$$
placeholder image Sierra Instruments Electro-Sensors, Inc. Anderson-Negele Gems Sensors & Controls

In addition to their applications in water treatment, they can be used for the measurement of sludge, slurry, oil and all kinds of other material levels. Displacer level switches are versatile and reliable, though in particularly demanding or hazardous environments, they can be susceptible to corrosion or other kinds of degradation. In such applications, no-contact sensors like ultrasonic or optical sensors and switches may be more appropriate.

Displacer level switchers harness gravity and electrical signals to measure levels. Displacer level switches involve one or more weights suspended from an electrically-powered force monitoring device. When the level of measured materials rises sufficiently and the material comes into contact with the switch's suspended weight, the tension in the spring used to suspend the switch decreases.

That tension reduction is expressed as an electrical signal and is interpreted by the sensor. Depending on their construction and intended use, displacer level switches can monitor a wide range of material levels, both large and small. They may also be used in high-pressure applications. Displacer level switches may also be manufactured to meet FM, UL, NEMA, and ANSI/ISA guidelines.

Displacer level switches can be used in a variety of industrial applications, including those where the measured material may be heavy oils, dirty liquids, liquids with solids and paints. The switches can also be used in more complex applications, such as monitoring the levels of multiple vessels and their pumps. It is important to carefully pair every level switch configuration with its intended application, as some varieties can be more suitable in a given context than others.