CAMLogic Rotary Paddle Level Switch PFG57 Series

Introduction – CAMLogic Rotary Paddle Level Switch PFG57 Series

The CAMLogic Rotary Paddle Level Switch PFG57 Series is a compact and reliable solution for point level detection of granular solids and powders in silos, hoppers, and bins. Built with a die-cast aluminium housing and sealed stainless-steel shaft, it ensures long-term durability and safety even in harsh industrial environments. Designed according to ATEX and IECEx standards, this level switch is ideal for use in explosive dust atmospheres, guaranteeing safe operation in Zone 20/21 classified areas.

Its simple mechanical design enables easy installation without calibration, and its wide selection of paddle types and extensions allows precise adaptation to different materials and densities. The PFG57 Series delivers exceptional versatility, making it suitable for a wide range of bulk solid handling systems used in the chemical, food, plastics, cement, and agricultural industries.

Dubai Sensor provides the CAMLogic PFG57 Series to industries across the UAE and MENA region, ensuring efficient and safe bulk material level monitoring for demanding industrial applications.

Key Features & Benefits

• Compact and robust construction with die-cast aluminium housing.
  
  
• ATEX and IECEx certified for dust environments (Zones 20/21/22).
  
  
• Maintenance-free operation with sealed, life-lubricated bearings.
  
  
• Adjustable sensitivity for light or heavy materials.
  
  
• Multiple paddle options in polyamide or stainless steel.
  
  
• Wide power supply range: 115/230 VAC, 24/48 VAC, or 24 VDC.
  
  
• Optional 4 rpm gearmotor for faster response time (~1.5 s).
  
  
• Low-temperature version for use down to -40°C.
  
  
• IP65 protection rating for indoor and outdoor installation.
  
  
• Ideal as backup safety device alongside radar, capacitive, or ultrasonic level sensors.
  
  

Technical Specifications – CAMLogic Rotary Paddle Level Switch PFG57 Series

Standards & Certifications

• ATEX: Ex II 1/2 D Ex ta/tb IIIC T85°C IP65 Da/Db (Zone 20/21)
  
  
• ATEX (Lamp Version): Ex II 3 D Ex tc IIIB T85°C Dc (Zone 22)
  
  
• IECEx: Ex ta/tb IIIC T85°C Da/Db
  
  
• RoHS Directive 2011/65/EU
  
  
• EMC Directive 2014/30/EU
  
  
• Low Voltage Directive 2014/35/EU
  
  
• CE Marked – Conforming to EU safety standards
  
  

Applications & Industries

• Point level detection in silos, hoppers, and storage bins
  
  
• Suitable for granular and powdered solids
  
  
• Widely used in:
  
  
• Cement and construction materials
  
  
• Chemical and petrochemical industries
  
  
• Food and beverage production
  
  
• Plastic granule storage systems
  
  
• Feed mills and agricultural silos
  
  
• Ideal for ATEX-certified dust environments in UAE and MENA industrial facilities
  
  

Installation, Commissioning & Maintenance

• Can be installed horizontally or vertically; cable entry should face downward.
  
  
• Use certified cable glands and ensure proper earthing (PE) connection.
  
  
• For ATEX areas, installation must comply with IEC 60079-14 and maintenance with IEC 60079-17.
  
  
• Do not open housing in potentially explosive atmospheres.
  
  
• Periodically check gaskets and cable glands for wear or damage.
  
  
• Adjust sensitivity spring as needed for light or dense materials.
  
  
• Repairs and servicing should be performed only by CAMLogic or authorized centers.
  
  

Why Choose CAMLogic Rotary Paddle Level Switch PFG57 Series

The PFG57 Series represents a balance of safety, performance, and adaptability. Its certified design for explosive dust environments ensures reliable operation in demanding industrial conditions. The combination of robust mechanical construction and customizable paddle options makes it suitable for a wide variety of solid materials—from fine powders to coarse granules.

Dubai Sensor supplies and supports the CAMLogic PFG57 Series across the UAE and MENA markets, offering industries a trusted, compliant, and high-performing solution for point level control in bulk material handling applications.

Ordering Guide

1. Select the base model: PFG57
   
   
2. Choose power supply: 115/230 VAC, 24/48 VAC, or 24 VDC
   
   
3. Select connection type: Threaded (G 1½") or flanged
   
   
4. Define paddle type: Polyamide or stainless steel (based on material density)
   
   
5. Add optional features (if required):
   
   
• /L → LED Lamp (Zone 22)
  
  
• /B → Low-temperature version (-40°C)
  
  
• 4 rpm gearmotor option
  
  
6. Confirm voltage and configuration with Dubai Sensor (official distributor) before ordering.

FAQ – CAMLogic Rotary Paddle Level Switch PFG57 Series

Q1: What is the CAMLogic Rotary Paddle Level Switch PFG57 Series used for?
The PFG57 Series is designed for point level detection of granular solids and powders in silos, bins, and hoppers. It detects whether the container is full or empty, providing a reliable switching signal for process control or safety interlock systems.

Q2: Can the PFG57 be used in hazardous areas?
Yes. The PFG57 Series is ATEX and IECEx certified for use in explosive dust atmospheres (Zones 20/21). The optional lamp version (/L) is certified for Zone 22 applications.

Q3: What materials can the PFG57 monitor?
It can detect bulk solids with densities as low as 0.02 kg/dm³, depending on the selected paddle. Common materials include cement, flour, grains, plastics, and powders.

Q4: Does the PFG57 require calibration?
No calibration is needed. The device operates based on paddle rotation resistance, making it ready for use upon installation.

Q5: How can I adjust sensitivity for different materials?
Sensitivity is adjusted using the internal spring mechanism. Increasing spring tension improves performance for heavy or sticky materials, while decreasing it increases sensitivity for lighter materials.

Q6: What are the available power supply options?
The PFG57 Series supports 115/230 VAC, 24/48 VAC, and 24 VDC ±15% power inputs.

Q7: What is the operating temperature range?
Standard models operate between –20 °C and +70 °C, while the low-temperature version (/B) includes a built-in heater, extending the range down to –40 °C.

Q8: What protection level does the PFG57 have?
It carries an IP65 rating, ensuring protection against dust ingress and low-pressure water jets—ideal for industrial indoor or outdoor installations.

Q9: What maintenance is required?
The PFG57 is largely maintenance-free. Periodic checks should ensure gasket integrity, cable gland sealing, and correct electrical grounding. Repairs must only be performed by CAMLogic or authorized technicians.

Q10: Can the PFG57 be customized for different tank designs?
Yes. Various paddle types, shaft extensions, and mounting options (threaded or flanged) are available. Flexible or adjustable extensions can be supplied for deeper silos, up to 12 m in length.