Level switches

Level switching solutions for high-level alarms, low-level alarms, pump protection, tank control, and industrial process monitoring.

Products Level Level switches

Level switch options

Specifications, ranges, materials, approvals, process connections, outputs, and accessories can be supplied according to project requirements.

Float level switch

Float level switches

  • Compact in-tank float switch design for reliable point level detection.
  • Suitable for high-level alarm, low-level alarm, pump protection, and tank control duties.
  • Small in-tank dimensions help support installations where internal tank space is limited.
  • Standard flanged mounting available with 92 x 92 mounting configuration.
  • High reliability switching for industrial liquid level applications.
  • Options include fully stainless steel construction, IP66/IP68 protection, ATEX versions, and DNV marine approval.
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Magnetic level switch

Magnetic level switches

  • Level signalling for liquids with minimum medium density of 0.70 g/cm3.
  • Top-mounted basic version with 92 x 92 mm flange connector.
  • Aluminium alloy head with M20 x 1.5 cable gland and IP68 casing protection.
  • Mechanical, threaded, DIN, and ANSI flange connector options available based on application requirements.
  • Available in fully acidproof stainless steel construction with optional stainless steel float protection cover.
  • Certified cable options available in required lengths, with DNV GL marine approval.
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Capacitance level switch

Capacitance level switches

  • Low and high point level detection for liquids, powders, dry bulk solids, oils, solvents, sand, water, and cooling water.
  • Suitable for conductive, non-conductive, and low-dielectric materials depending on application conditions.
  • Can detect level through sight glass in selected applications without direct contact with the process medium.
  • Available with rigid rod or cable probe designs, including extended probe versions.
  • Process connection options include threaded, flanged, and sanitary configurations.
  • Typical options include IP66 or NEMA Type 4 enclosure ratings, SPDT selectable switching, adjustable switching point, and time delay settings.
  • Available in DC or AC powered versions, with probe material options such as PVC or PTFE depending on service requirements.
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Conductive level switch

Conductivity level switches

  • Level control for conductive liquids with 1, 2, 3, 4, or 5 point detection options.
  • Suitable for alarm point detection, minimum and maximum level control, pump control, and valve control.
  • Available with fixed rigid rods, removable rigid rods, or pendular cable electrodes for deeper tanks and wells.
  • Rugged no-moving-parts construction for reliable operation and low maintenance.
  • 316 stainless steel rod options with glass-filled nylon or aluminum housing configurations.
  • Suitable for clean process water, cooling water, oils, lubricants, and organic solvents.
  • Typical options include IP66 or NEMA Type 4 enclosures, PVC insulation, SPDT relay switching, and operating pressures up to 290 psi.
  • Electrode lengths can be selected or cut to match required tank level control points.
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Vibrating level switch

Vibrating level switches

  • Point level detection for liquids in vessels, tanks, and pipelines.
  • Suitable for full detection, empty detection, overfill protection, dry-run protection, and pump protection.
  • Reliable switching point independent of mounting position and many product properties.
  • Useful for liquids with densities from approximately 0.5 to 2.5 g/cm3 depending on selected configuration.
  • Process options available for standard, hygienic, high-temperature, and gas-tight applications.
  • Typical options include threaded, flanged, and hygienic process connections with 316L, PFA, Alloy, ECTFE, or enamel wetted parts.
  • Output options include relay, contactless electronic switch, transistor, two-wire, and NAMUR configurations.
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Rotary paddle level switch

Rotary paddle level switches

  • Point level detection for dry bulk solids, powders, grain, sand, pellets, and granular materials.
  • Suitable for high-level, low-level, and intermediate level indication in bins, hoppers, silos, and tanks.
  • Fail-safe options monitor both material presence and switch operating condition for critical applications.
  • Magnetic sensing designs help reduce fouling issues and support reliable paddle rotation monitoring.
  • Motor shut-off during paddle stall can extend motor life and reduce maintenance requirements.
  • Typical options include IP66 or NEMA Type 4 enclosures, NPT process connections, and SPDT selectable switching.
  • Available for AC powered applications with hazardous area approvals depending on selected configuration.
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Ultrasonic level switch

Ultrasonic level switches

  • Non-contact level detection with continuous distance measurement and point switching support.
  • Suitable for liquids, water, cooling water, solvents, oils, clean process fluids, and selected industrial media.
  • Useful for pump control, high-level alarms, low-level alarms, tank monitoring, bulk inventory, and flood detection applications.
  • Long-range options available up to approximately 50 ft depending on installation and media conditions.
  • Typical outputs include 4-20 mA, voltage output, switch outputs, and RS232 or RS485 communication options.
  • Adjustable locally, remotely, or through PC software depending on selected configuration.
  • Typical options include IP68 or NEMA Type 4X protection, narrow ultrasonic beam, and short dead band designs.
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