Level Switches

Allen-Bradley manufactures the 840 model float switches for heavy-duty industrial control applications. These switches open and close contacts in response to changes in liquid level and can be used in a variety of applications.

Ameritrol manufactures a variety of liquid level switches including three series of models; the XL Series, SL Series and LM Sereis. These switches are designed to meet the most critical level detection applications in a variety of conditions for a broad range of industries.

APG manufactures float liquid level switches in a variety of sizes and configurations. Products include cable suspended float level sensors, magnetic float level sensors and miniature liquid level float switches.

Babbitt International Inc. manufactures a variety of point level switches including low-cost, full-featured, dual-point, and multi-point senors. The switches are used for liquid and bulk solid applications, and have no moving parts. The company also offers a series of MLS-4EX multi-point, float level switches used for sensing fluid levels.

Cole Parmer manufactures a family of liquid level float switches. Products include standard switches, hinged float switches, bent stem switches, and bottle level switches. The company also offers multi-point ultrasonic level switches, a noncontact proximity switch, and self-sealing float switches.

Delta Controls manufactures a variety of mechanical level switches including: top-inserted, float-acutuated switches; top-inserted, displacer-actuated switches; side-inserted, float or displacer-actuated switches; external cage float or displacer-actuated switches; and a high temperature and pressure level switch.

Dwyer manufactures a variety of models and series of level switches including liquid level float control switches, a cable float switch, multi-station and miniature multi-station switches, and a free-floating level switch.

Dynatrol manufactures liquid level switches and solids level switches. The company's liquid switches detect the level of liquids and slurries, and can be mounted on a vessel or in piping. Dynatrol's solid switches are used in storage tanks, bins and silos, and can detect levels on materials such as light fluff, heavy granules and pellets.

Endress Hauser manufactures a range of level measurement instruments including vibrating level switches for liquids and solids.

Flow Line Options manufactures a group of ultrasonic level switches. Products include non-contact, multi-point, vibration, high-temp float, buoyancy, leak detection and capacitance level switches. The majority of switches are best suited for use in various types of liquids.

Fluid Components International manufactures three series of thermal level switches for temperature monitoring, multi-point level monitoring, and other applications associated with industrial process measurement and automation.

Gems Sensors & Controls manufactures level switch products including electro-optic liquid level switches, float type level switches, and proximity and pressure switches. The company's switches are for use in a variety of fluids.

Harwil Corp. manufactures 11 models of liquid level switches for use in a variety of physical, thermal and chemical operating environments. Some level switches are available with protective boots for use in high, particle-contaminated environments.

Innovative Components manufactures float-type, liquid level switches in three categories: vertical, horizontal and special. The company's vertical switches can be mounted in the top or bottom of a tank, while horizontal switches are used when the top of a tank is not accessible.

Innovative Solutions manufactures float-type level switches including multi-level vertical mount, single-point horizontal mount, and single vertical mount switches. A number of the company's switch models are intended for use in hazardous locations.

Madison manufactures liquid-level, single and multi-point float switches that measure tank levels in various application environments. The company also offers a number of liquid level sensors and an optical level switch.

National Magnetic Sensors Inc. manufactures single-level float switches and sidemount level switches. The copmany's sidemount switches are compact with floats that can pass through a 1/2" NPT female boss. National also offers bottle switches and bilge/sump switches.

Scientific Devices manufactures a variety of level switches. Products include displacer level, top-mounted magnetic, side-mounted magnetic, vibrating fork type, rotary paddle type, conductivity type and cable float switches.

Semrad distributes Nivelco-manufactured level switches including float, conductivity, magnetic coupling, magnetic tracking, vibration switches.

Sensor Technics manufactures three series of optical liquid level switches that feature single-point liquid level detction, no moving parts, fast response, and basic, ditigal or transistor output.