Presense APSL-S5 Float Switch

Introduction - Presense APSL-S5 Float Switch

The Presense APSL-S5 Float Switch is a high-quality horizontal liquid level switch designed for accurate and reliable fluid detection in tanks, reservoirs, and containers. Built with polypropylene (PP) and other corrosion-resistant materials such as PVDF, POM, and PTFE, this device ensures long-lasting durability and stable performance under harsh industrial conditions. Its side-mounted configuration allows for simple installation, even in compact spaces, making it a practical solution for fluid monitoring and control systems.

The APSL-S5 features a magnetic reed switch mechanism sealed within a robust float body to ensure consistent operation and minimal maintenance. With a wide operating temperature range from –10 °C to +85 °C, the unit maintains reliability across diverse applications, including chemical processing, water treatment, and oil management.

Thanks to its multiple thread mount options (M, G, NPT), users can easily integrate the Presense APSL-S5 into existing system designs. Its cost-effective and maintenance-free design makes it an excellent choice for both industrial and domestic level control systems, including projects across UAE and the wider MENA region, where environmental resilience and installation flexibility are essential.

As an officially distributed product by Dubai Sensor, the Presense APSL-S5 Float Switch combines precision, endurance, and affordability for demanding industrial automation needs.

Key Features & Benefits

• High measurement accuracy and reliable float operation
  
  
• Easy-to-install horizontal mounting configuration
  
  
• Cost-effective and durable construction for long service life
  
  
• Compatible with water, oils, and various industrial liquids
  
  
• Long reed switch contact life (up to 10⁷ operations)
  
  
• Suitable for temperature range from –10 °C to +85 °C
  
  
• Available in multiple thread types: M, G, NPT
  
  
• Resistant to vibration (30 G) and humidity (95 % RH at 80 °C)
  
  
• Corrosion-resistant materials (PP, PVDF, POM, PTFE)
  
  

Technical Specifications – Presense APSL-S5 Float Switch

Standards & Certifications

• Manufactured with materials conforming to industrial quality standards.
  
  
• Electrical safety performance validated for up to 1000 V withstand voltage.
  
  
• Designed for compliance with general industrial instrumentation safety norms.
  
  

Applications & Industries

The Presense APSL-S5 Float Switch is suitable for use across multiple sectors:

• Industrial: Chemical tanks, reservoirs, process systems.
  
  
• Water Treatment: Level monitoring in treatment plants and storage tanks.
  
  
• Oil & Gas: Fuel and oil level control.
  
  
• Food & Beverage: Ingredient and storage tank monitoring.
  
  
• Pharmaceutical: Dosing and cleanroom liquid management.
  
  
• HVAC Systems: Boilers, cooling towers, and chillers.
  
  
• Marine & Automotive: Fuel and ballast monitoring.
  
  
• Agriculture: Water and fertilizer tanks in irrigation systems.
  
  
• Environmental & Safety Systems: Flood detection and rainwater harvesting.
  
  

Installation, Commissioning & Maintenance

• Mount horizontally on the tank side wall using the specified thread type (M, G, or NPT).
  
  
• Ensure the float moves freely without obstruction.
  
  
• Avoid use with viscous or contaminated liquids that could restrict float motion.
  
  
• Confirm electrical wiring complies with relevant safety and grounding standards.
  
  
• Periodically inspect for residue buildup in high-contamination environments.
  
  

Why Choose Presense APSL-S5 Float Switch

The Presense APSL-S5 delivers an ideal balance of performance, reliability, and affordability for fluid level monitoring. Its rugged materials and versatile design ensure long-lasting operation in both indoor and outdoor conditions.

Trusted by industries across the UAE and MENA region, this float switch provides dependable level detection even in chemically aggressive or high-temperature applications. When sourced through Dubai Sensor, users gain access to local expertise, prompt availability, and genuine Presense quality assurance.

Ordering Guide

1. Select Model:
   
   
• APSL-S5-10 → 10 W contact power
  
  
• APSL-S5-50 → 50 W contact power
  
  
2. Choose Material and Thread Type:
   
   
• PP, PVDF, POM, or PTFE construction
  
  
• Thread: M, G, or NPT
  
  
3. Confirm Application Requirements:
   
   
• Ensure compatibility with liquid type and operating temperature.
  
  
4. Contact Dubai Sensor as the official distributor to order the Presense APSL-S5 Float Switch and receive local technical support and fast delivery.

FAQ – Presense APSL-S5 Float Switch

Q1: What type of liquids can the Presense APSL-S5 Float Switch detect?
A1: The APSL-S5 is compatible with water, oils, and various industrial fluids that are non-viscous and non-contaminating. It should not be used with highly viscous or sticky liquids that can obstruct float movement.

Q2: What materials are used in the construction of the APSL-S5?
A2: The float switch is made from durable, corrosion-resistant materials including polypropylene (PP), polyvinylidene fluoride (PVDF), polyoxymethylene (POM), and polytetrafluoroethylene (PTFE).

Q3: Can the APSL-S5 be installed in small or confined tanks?
A3: Yes. Its side-mounted, compact horizontal design makes it ideal for confined spaces where vertical mounting may not be possible.

Q4: What are the available thread types for mounting?
A4: The APSL-S5 supports multiple thread options, including M type, G type, and NPT type, allowing compatibility with different tank fittings and regional standards.

Q5: What is the operating temperature range of the Presense APSL-S5?
A5: The float switch operates reliably within a temperature range of –10 °C to +85 °C, suitable for most industrial and environmental conditions.

Q6: How long is the reed switch contact life?
A6: The reed switch inside the APSL-S5 offers a long operational life of up to 10⁷ switching cycles, ensuring reliable performance over extended use.

Q7: What precautions should be taken during installation?
A7: Ensure the float is installed horizontally and can move freely. Electrical connections must follow safety standards, and the device should be protected from debris or sediment accumulation.

Q8: Does the APSL-S5 require maintenance?
A8: The switch is largely maintenance-free. However, periodic cleaning is recommended in environments with high contamination or mineral buildup to maintain float mobility.