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    Level Switches

    Precision Level Monitoring You Can Depend On

    Our level switches provide accurate and dependable level detection in liquids, solids, and slurries. Built for industrial and OEM applications, they deliver safe, efficient and cost-effective control across a wide range of industries.

    Types of Level Switches We Offer

    Float Level Switches

    Durable and cost-effective sensors for clean and dirty liquids. Available in vertical or horizontal designs for tanks, sumps, and reservoirs. Our Gems LS3 single point level switch is a popular choice for low cost OEM applications.
     

    Capacitive Level Switches

    Detect both conductive and non-conductive materials — ideal for powders, slurries, and viscous fluids. Our newly launched Gems ULS200 universal level sensor is based on capacitive technology, with additional benefits. 
     

    Vibrating Fork (Tuning Fork) Level Switches

    Provide maintenance-free point level detection for solids and liquids with high accuracy and stability.
     

    Optical Level Switches

    Compact, solid-state switches for precise level sensing in small tanks and OEM equipment. Our selection of Gems ELS models are available in several construction materials for different media types. 
     

    Conductivity Level Switches

    Dependable solution for detecting conductive liquids such as water, acids, and chemical solutions. We can also offer completely non-intrusive (non-contact) solutions, such as the LS10 leak detection sensor. 
     
     

    Key Features and Benefits

    • Accurate and repeatable performance
    • Works with liquids, powders and slurries
    • Rugged stainless steel, brass or plastic construction
    • Handles high temperatures and pressures
    • Simple installation and low maintenance
    • Available with ATEX, IECEx and FDA certifications

     

    Industries & Applications

     

    Why Choose Our Level Switches

    We combine advanced sensing technology with expert engineering support to provide reliable, long-lasting level control solutions. From standard models to fully customised configurations, we help you find the right level switch for your process.

     

    Request a Quote or Expert Support

    Need help selecting a level switch?

    Our specialists can guide you to the best solution.

    Contact us or Request a Quote today.

     

    FAQs

    What is a level switch used for?

     

    A level switch detects when a liquid or solid material reaches a specific level in a tank, vessel or silo. It sends a signal to start or stop pumps, open valves or trigger alarms.

    What are the main types of level switches?

     

    Common types include float, capacitive, vibrating fork (tuning fork), optical and conductivity level switches — each suited to different media and operating conditions.

    How do I choose the right level switch for my application?

     

    Consider the type of media, temperature, pressure, chemical compatibility and mounting orientation. Our experts can recommend the most suitable model based on your process needs.

    Can level switches handle corrosive or high-temperature liquids?

     

    Yes — we offer models with stainless steel or chemical-resistant plastic housings and options rated for high-temperature and high-pressure environments.

    Do you offer explosion-proof or ATEX-certified level switches?

     

    Absolutely. Our ATEX and IECEx certified switches meet global safety standards for use in hazardous areas.

    Why choose Boiswood?

    For your GEMS CAP300 CAPACITIVE LEVEL SENSOR

    World-class quality products

    Quality Products & Service Levels

    World-class quality products backed by unrivalled service levels. We only partner with the best manufacturers in industry. You can trust in our 35+ years of experience.

    Competitively priced products

    Competitive Pricing Structures

    Competitively priced products that we strive to keep consistent. We always ensure special pricing structures are considered.

    Attractive lead times

    Excellent Delivery Schedules

    Attractive lead times that are monitored and managed, ensuring customers receive on-time deliveries. We can also ship our products internationally.

    unmatched response times

    Ultra-Fast Response Times

    Tired of chasing for answers? We pride ourselves on our unmatched response times. You can rely on us to provide extremely quick answers to technical and commercial queries.

    On-going support

    Free Technical Support

    On-going support for our customers to meet any evolving technical requirements. We can help size and specify solutions for even the most bespoke applications.

    right solution for your application

    OEM & Custom Configurations

    We sit alongside design teams to specify the right solution for your application, no matter how demanding. Whether it’s out-of-the-box or a custom design, we are up for the challenge.

    ever-growing stock profile

    Tailored Stocking Profiles

    Need your products tomorrow? We’ve got you covered with our ever-growing stock profile and product portfolio. We can hold stock for you based on your consumption rates.

    in-house servicing, testing and assembly

    Servicing & Assembly Capabilities

    Official and manufacturer certified in-house servicing, testing and assembly for our core products, including custom panels and subassemblies.

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