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SWI Single Point Level Switch Products

USA Toll Free: 1-800-730-0302 Tel: 416-240-1920 - sales@metexcorporation.com

Sensors and Switches are mechanical-type sensing devices that do not require power to operate. Engineered based on time-proven principles such as buoyancy, conductivity, magnetic latching, capacitance and more, SWI sensors and switches are manufactured to provide reliable industrial process measurement year after year. Click on a sensing device below to learn more about our available sensors and switches product line.

SWI Sensing Products

L001/L002 Series
Sub-Compact Level Float Switches, Ideal For OEM Applications

The L001 and L002 are cost-effective, compact level switches equipped with unsurpassed quality, reliability and ease of installation. Comprised of solid polypropylene material, they are compatible with a wide range of liquids and withstand system pressures up to 150 PSIG. Options include a 1/8" NPT or 3/8"-16 mount. The L001 is equipped with a fixed normally-open or normally-closed output while the larger L002 can be reversed in the field by inverting the float. With two inexpensive, compact level switch options, the L001 and L002 perform in a wide variety of demanding OEM applications.

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L001U/L003U Series
Ultra Low-Level Float Switches

The miniature L001U/L003U Ultra Low-Level Float Switches offer reliable and economical low-level switching for a wide variety of applications and media. Comprised of polypropylene or polysulfone/buna materials, these compact devices are capable of actuating in levels as low as ?". The switches can be top-mounted with a standard ?" NPT or ?" - 16 thread mounting (for L001U) and ?" - 24 thread mounting (for L003U. An adhesive-backed mounting surface also enables the L001U or L003U to be mounted alternatively at the bottom of a tank.

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L003 Series
Compact & Low-Cost Level Float Switch, Ideal For High Volume Use

The L003 is a versatile, vertically-mounted switch designed for a wide range of OEM and special purpose level control applications. With a larger displacement than other sub-compact models, the L003 is ideal for shallow tanks. The switch can also be interchanged from normally-open to normally-closed operation in the field by simply inverting the float.

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L007 Series
Compact, Low-Cost Side-Mounted Float Level Switch

The compact L007/L007TT is a low-cost, side-mounted level switch that can be mounted internally or externally. Its leak-resistant construction ensures a safe installation into any size tank and the all stainless steel model is capable of withstanding both high temperatures and high pressures. The L007 can also be easily converted from normally-open to normally-closed operation by simply rotating the switch. Depending on the mounting position, the switch will either rise or lower with the liquid level inside the tank.

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L070 Series
Low-Cost, Side-Mounted Float Level Switch For Industrial Use

The horizontally-mounted L070 is a rugged, hazardous duty level switch equipped with a safe, isolated switch enclosure for monitoring high and low liquid levels. Its all stainless steel construction and ultra-light float provide high performance capabilities in almost any media and the ability to sense dissimilar fluid interfaces within a 0.1 differential.

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L072 Series
Side-Mounted Float Level Switch With Manual Reset

The horizontally-mounted L072 is a rugged, hazardous duty level switch equipped with a “push to test” function for monitoring liquid levels. Its all stainless steel construction and ultra-light float provide reliable performance in numerous media and the ability to sense dissimilar fluid interfaces within a 0.1 differential.

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L090 Series
Highly-Buoyant, "Bent Stem" Float Level Switches

The "Bent Stem" L090 Float Switch mounts less than 3" into the side of a tank and can detect liquid levels with specific gravities as low as 0.45. L090 material options include stainless steel or Buna-N floats with a selection of brass or stainless steel stem mounts. Various mounting sizes are also available for installation into a mounting boss or directly through the tank wall.

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L170 Series
Compact Float Level Switches For High Temperatures & Pressures

The L170 Series Compact Level Switches feature a Buna-N or stainless steel float for higher heat and pressure capabilities. Designed for low-cost, high-volume use, the L170 vertical switches are best suited in shallow and restricted tank spaces. Their durable brass and stainless steel construction also allow for installations in several harsh and corrosive environments.

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L180/L190 Series
Intermediate & Large-Size Buna-N Float Level Switches

The intermediate-sized L180 and large-sized L190 are equipped with a Buna-N float that provides optimum displacement and excellent stability in both oils and water. An optional stainless steel float is also available to accommodate aggressive environments. The two models are rated for system pressures up to 150 PSIG and temperatures up to 180º F. The L190, however, is best suited for highly viscous fluids.

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L195 Series
All Stainless Steel Spherical Float Level Switches

The L195 Spherical Float Switch features a robust 2" diameter stainless steel ball float for exceptional performance and durability in high temperature/high pressure applications. Capable of withstanding pressures up to 750 PSIG and temperatures up to 300º F, the switch's all stainless steel construction also complies with FDA food contact regulations. Several optional and custom configurations are available.

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L190S Series
Shielded Float Level Switches For Turbulent & Dirty Liquids

The L190S Shielded Liquid Level Switch provides accurate and stable level detection in turbulent, highly-contaminated, non-static liquids. A slosh shield protects the float switch by minimizing effects from tank motion and potential particle interference. The L190S performs in both, oil and water applications. It serves as the perfect solution for level detection in wells, sumps, mobile tanks, filtration systems, and any other application where moving liquid and heavy particles exist.

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L312B Series
Small Remote Float Chamber Level Switch

The L312B Remote Chamber Level Switch is a compact, level monitoring device designed for installations where internal tank mounting is impractical or impossible. Encased in its own metal float chamber, the L312B can be mounted on the exterior of a tank and supported through pipe connections. The switch and float mechanism are easily detached from their chamber for cleaning and maintenance procedures. Material options include brass or stainless steel mounts paired with a buna or stainless steel internal float.

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S005 Series
Single-Point, Suspended Liquid Level Float Switch

The S005 Single-Point, Suspended Liquid Level Float Switch is a low-cost, float-actuated device intended for vertical mounting within a tank or process vessel. Available in three distinct design options, the S005 can accommodate installations where spacial limitations exist. The switch is also ideal for OEM applications where a single-point high or low level alarm is desired. Additional options include a variety of switch types, cable lengths and PVC cap attachment.

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U00X Series
Low-Cost Ultrasonic Gap Level Switch

The U00X Solid-State Level Switch is a reliable, low-cost liquid level control for use in installations where mechanical float-type switches are impractical. The U00X is compatible with many liquids, regardless of the fluid's density or conductivity. The unit requires no calibration, withstands pressures up to 2,000 PSIG, and its compact, 7/8" diameter probe installs in any orientation. The U00X is constructed from durable and easy-to-clean 316 stainless steel with probe lengths available up to 100". Optional materials include CPVC, PVDF and Hastelloy C.

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U00XE Series
Low-Cost Ultrasonic Gap Level Switch For Hazardous Locations

The U00XE Solid-State Level Switch is a reliable, low-cost liquid level control for use in hazardous locations. The U00XE is compatible with many liquids, regardless of the fluid's density or conductivity. The unit requires no calibration, withstands pressures up to 2000 PSIG, and its compact, 7/8" diameter probe installs in any orientation. The U00XE is constructed from durable and easy-to-clean 316 stainless steel with probe lengths available up to 100". Optional material: Hastelloy C.

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Types of Single Point Level Switches

  • Buoyancy Point Level Switch (Float Level Switch)
  • Ultrasonic Point Level Switch (Ultrasonic Gap Switch)
  • Conductance Point Level Switch
  • Capacitance Point Level Switch
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