The RLS-1000 is a highly durable, efficient, and cost-effective float switch designed for monitoring liquid levels in a variety of industrial applications. It is specifically ideal for tasks such as level monitoring, dry-run protection, and overflow protection in the machine-building industry. The device operates using a permanent magnet and frictionless reed contacts, making it reliable and maintenance-friendly. With the ability to monitor up to four defined switch points, the RLS-1000 detects levels in vessels containing water, oil, diesel, and other liquids. It works effectively in a wide temperature range from -30°C to +150°C (-22°F to +302°F), ensuring versatile performance across different environments.

The design is compact and straightforward to install, as no calibration or setup is required during installation, thus simplifying its integration into systems. Its robust construction allows it to withstand vibrations and shocks, significantly reducing the need for maintenance and enhancing overall operational reliability.

Features

• Reliable operation: Equipped with high-quality reed contacts and permanent magnets, ensuring dependable performance.
• Versatile monitoring: Capable of detecting up to four defined switch points for precise level measurement.
• Wide temperature range: Operates effectively between -30°C and +150°C (-22°F to +302°F), allowing use in a variety of applications.
• Simple installation: Does not require calibration or setup, making installation quick and easy.
• Compact design: Space-saving form factor ideal for installations in tight or confined spaces.
• High durability: Resistant to vibrations and shocks, contributing to minimal maintenance needs and a long service life.
• Cost-effective: Ideal for applications where reliability and performance are required without the need for high-cost equipment.

Applications

• Level measurement of liquids: Used extensively in machine building for monitoring fluid levels in tanks and vessels.
• Control and monitoring of hydraulic systems: Helps in controlling and monitoring hydraulic power packs and related systems.
• Monitoring of compressors and cooling systems: Provides level monitoring for compressor units and cooling systems to prevent dry running or overflow.

The RLS-1000 is an ideal solution for applications requiring a balance of reliability, simplicity, and affordability.

This float switch operates based on a simple yet highly reliable principle, using a float with a permanent magnet that moves with the liquid level within a guide tube. As the float rises or falls with the liquid, it activates a reed contact located inside the guide tube. The reed contact, which is powered by the proximity of the float's magnet, operates without physical contact, making the system wear-free, maintenance-free, and requiring no external power supply. The system provides potential-free switching operations, ensuring versatility in various applications. The float switch can be equipped with multiple switch points to offer precise level monitoring.

Features:

• Non-contact operation: The reed switch is activated by the magnet of the float, making the operation wear-free and eliminating the need for power supply.
• High operational reliability: Suitable for harsh operating environments, ensuring a long service life.
• Wide range of operating limits:
  • Operating temperature: -50°C to +350°C
  • Operating pressure: Vacuum to 40 bar
  • Limit density: ≥ 300 kg/m³
• Flexible customization: Available in a variety of electrical connections, process connections, and materials.
• Explosion-protected versions: Safe for use in hazardous environments.
• Bistable switching behavior: The float switch can achieve bistable switching, meaning that it can retain its switching state even when the liquid level surpasses the set point, maintaining stability in the system.
• Simple installation: Easy to mount, ensuring cost-effective installation and low maintenance throughout its operational life.
• Versatile switching options: Available in normally open, normally closed, or change-over contact configurations.

Applications:

• Level Measurement: Ideal for monitoring liquid levels in various media, including chemicals, water, and more.
• Pump and Level Control: Ensures precise control over filling levels in tanks, reservoirs, and process systems.
• Chemical & Petrochemical Industries: Used for monitoring and controlling liquid levels in storage tanks, reactors, and other vessels.
• Natural Gas & Offshore: Suitable for level measurement and monitoring in hazardous, off-shore environments.
• Shipbuilding: Used for level measurement in ship tanks, ballast systems, and fuel management.
• Machine Building & Power Plants: Implements reliable level control in power generation systems, cooling tanks, and other mechanical systems.
• Water Treatment: Applied in process water, drinking water treatment plants, and wastewater management systems.
• Food and Beverage Industry: Ensures accurate level control for mixing, storage, and transportation of liquid ingredients.

This float switch offers a robust, maintenance-free, and cost-effective solution for various industrial applications requiring reliable level measurement and control, especially in demanding environments.

The HLS horizontal float switch is a reliable and efficient level monitoring and switching device designed to handle a wide range of liquid media. It is a perfect solution for detecting and controlling fluid levels in various industrial applications. The float is attached to a swivelling lever, which moves along with the liquid level. As the level changes, a permanent magnet at the end of the lever activates a reed contact within the contact tube once a preset level is reached. This non-contact, wear-free mechanism ensures long-lasting and maintenance-free operation.

The device operates without a power supply, using the magnet-reed contact system to perform the switching operation. It is highly resistant to harsh conditions such as foaming, vapors, bubble formation, and vibrations. The HLS float switch is also adaptable to a variety of systems and can directly interface with PLCs, NAMUR connections, signal amplifiers, or contact protection relays.

Features

• Wide Application Range: Simple, proven functional principle suitable for many types of liquid media.
• Durability: Designed to withstand harsh operating conditions and provide a long service life.
• High Operating Limits:
  • Operating Temperature: -120°C to +350°C
  • Operating Pressure: Vacuum to 232 bar
  • Limit Density: ρ ≥ 500 kg/m³
• Versatility: Available in both stainless steel and plastic versions, with explosion-protected models.
• Non-Wear, Non-Contact Operation: The use of a permanent magnet and reed contact ensures the switching operation is wear-free and does not require an external power supply.
• No Interference: The float switch operates reliably in the presence of foaming, vapor, bubble formation, and vibrations.
• Ease of Use: Simple to mount, maintenance-free, and cost-effective in terms of installation, commissioning, and operation.

Applications

• Level Detection for Various Liquids: Can be used for almost any liquid medium, providing reliable level monitoring in a wide variety of fluids.
• Pump and Level Control: Ideal for applications where precise pump operation or level control is needed.
• Chemical and Petrochemical Industries: For monitoring the levels of chemicals in storage tanks, reactors, and other containers.
• Natural Gas, Offshore, and Shipbuilding: Ensures safe and efficient level monitoring in maritime and energy extraction environments.
• Machine Building and Power Generation: Used in machines and power plants to monitor fluid levels for optimal operation.
• Water Treatment: Applicable in process water and drinking water treatment systems for level monitoring.

A level switch is a versatile and reliable device used to monitor and control the liquid level in various industrial applications. It operates on the principle of a float with a permanent magnet that moves within a guide tube in an external chamber, typically known as a bypass chamber. The liquid level determines the position of the float, which, in turn, influences a reed contact inside the guide tube. The reed contact is activated by the approach of the magnet, signaling a change in the liquid level. This non-contact switching mechanism ensures wear-free operation, eliminating the need for a power supply. The level switch’s contacts are potential-free, offering flexibility in various control systems.

Applications:

1. Engine and Tank Mounting: Suitable for installation on engines, tanks, vessels, or enclosures where space constraints prevent direct installation.
2. Oil Sumps and Gearboxes: Effective in environments with turbulent liquids, such as monitoring oil levels in large engines, gearboxes, and sumps.
3. Pump and Level Control: Ideal for controlling and monitoring distinct filling levels in pumps, tanks, and other equipment.
4. Chemical and Petrochemical Industries: Widely used in chemical plants, petrochemical facilities, natural gas industries, and offshore operations.
5. Shipbuilding and Machine Building: Used in shipbuilding, machine building, and power plant applications, ensuring efficient liquid level control.
6. Water Treatment: Used in process water and drinking water treatment plants to ensure accurate liquid level control and monitoring.

Special Features:

• Freely Selectable Switch Position: The float switch can be fixed at the required level, allowing flexibility in positioning.
• Proven and Simple Functional Principle: The straightforward working principle ensures a wide range of applications with minimal complexity.
• Long Service Life: Designed for harsh operating conditions, the level switch provides long-lasting performance.
• Wide Operating Limits:
  • Operating Temperature: -30°C to +150°C, allowing use in extreme environments.
  • Operating Pressure: Capable of operating in vacuum to 40 bar pressures.
  • Density Limit: Can handle liquids with a density of ρ ≥600 kg/m³.

Key Advantages:

• Non-contact Switching: Ensures a wear-free operation with no need for power supply.
• Maintenance-Free: The level switch requires minimal maintenance, reducing the cost of operation and ensuring reliability.
• Cost-Effective: The device is easy to install and requires low costs for commissioning and operation.

This combination of features makes the level switch a reliable, low-maintenance solution for a wide variety of industrial liquid level monitoring and control applications.

The HLS-M Float Switch is a compact, miniature device designed for horizontal installation in small tanks. This float switch is ideal for monitoring liquid levels, offering an efficient solution for indicating minimum and maximum liquid levels in a variety of applications. Its unique design features a swiveling lever that moves with the liquid level, activating a reed contact via a permanent magnet when the preset switch point is reached. The non-contact, wear-free operation ensures reliable and maintenance-free performance.

The HLS-M Float Switch is designed to be installed laterally in the tank, saving space while ensuring accurate level detection. Its simple installation process and low operational costs make it a convenient and cost-effective solution for numerous applications in industries requiring liquid level monitoring.

Features:

• Compact Design: Ideal for small tanks with limited space.
• Lateral Installation: Space-saving installation that does not require vertical mounting.
• Wide Operating Range: Operating temperature from -40°C to +120°C and pressure of up to 5 bar.
• Limit Density: Suitable for liquids with a density of ≥800 kg/m³.
• Wear-Free Operation: Non-contact switching using a permanent magnet and reed contact ensures durability.
• Maintenance-Free: No need for power supply or regular maintenance, reducing operational costs.
• Switching Function: Standard operation as a normally open contact (can be switched to normally closed contact by rotating 180°).
• Available Materials: Available in both plastic and stainless steel versions for varied application requirements.
• Potential-Free Contacts: The reed contact is inert gas actuated, providing safe, electrical isolation.

Applications:

1. Level Monitoring and Indication of Liquids: Ideal for monitoring liquid levels in small tanks, providing clear indication of minimum or maximum liquid levels.
2. Level Detection for Various Liquids: Suitable for detecting the liquid levels in most liquid media, including chemicals, water, and oils.
3. Pump and Level Control: Can be integrated into systems for controlling pumps based on liquid level, ensuring efficient operation and preventing overflows or dry runs.
4. Alarm Signals: Used in systems where an alarm must be triggered when liquid levels reach a preset threshold, ensuring safety and preventing overflow.
5. Dry-Run and Overflow Protection: Offers protection against dry-run conditions for pumps and overflow by detecting the minimum and maximum liquid levels.

This versatile float switch is an essential component for applications requiring precise and reliable liquid level detection in small tanks, with the added benefit of being easy to install, cost-effective, and long-lasting.

The RLS-5000 Bilge Float Switch is specifically designed for monitoring limit levels in shipbuilding, such as in bilge water tanks, and in various industrial applications. It features a robust stainless steel case and a durable marine cable outlet, ensuring protection and reliable operation even under high mechanical loading conditions, such as the presence of floating debris like sticks and wood. The internal permanent magnet within the float activates the reed contact through a magnetic field, providing a contact-free and wear-free switching mechanism.

This bilge float switch is designed for versatile use, with the reed contact offering flexible configurations: it can be set as normally open, normally closed, or as a change-over contact. An optional manual test device allows the system to be tested in the field, providing an easy way to simulate a switch action for maintenance or verification purposes.

Certified according to the highest maritime standards, the RLS-5000 is engineered to ensure long-lasting and reliable performance, making it ideal for demanding shipbuilding and marine applications.

Features:

• Robust Stainless Steel Case: Provides superior protection against mechanical damage and harsh environments.
• Durable Marine Cable Outlet: Designed to withstand the challenges of maritime applications and resist wear from exposure to water and salt.
• Contact-Free Triggering: The permanent magnet activates the reed contact without physical contact, eliminating wear and tear and ensuring long-term reliability.
• Flexible Reed Contact Configuration: The reed contact can be set to normally open, normally closed, or change-over, allowing for customized functionality.
• Optional Manual Test Device: Enables manual testing of the float system for maintenance or verification purposes, using a movable wire bracket to simulate float operation.
• Optimized Mechanical Design: Engineered for reliability in extreme conditions, including exposure to mechanical forces and potential debris in water.
• Certified for Maritime Use: Meets leading international maritime standards for safety and performance.

Applications:

1. Shipbuilding: Ideal for bilge water tank monitoring, ensuring the proper management of water levels and preventing overflows.
2. Bilge Water Management: Effectively monitors and controls water levels in bilge systems, crucial for maintaining vessel stability and preventing flooding.
3. Applications with Strong Mechanical Loading: Suitable for environments subject to heavy mechanical stresses, where other float switches may fail due to debris or forceful impacts.
4. Contaminated Media: Works well in settings where liquids may be contaminated with debris or other solid particles, as the design resists damage from floating materials.