Product Description
The ISEN-30AAF-1500 is a flanged rotary paddle level sensor designed to monitor high-level and low-level conditions in silos, hoppers, and bulk material storage tanks. The sensor operates using a continuously rotating paddle. When bulk material comes into contact with the paddle and obstructs its rotation, the internal switching mechanism changes the SPDT contact status, sending a control signal to the automation system.
Featuring a vertical flanged mounting design and an adjustable shaft length from 1000 mm to 1500 mm, the ISEN-30AAF-1500 is particularly suitable for deep silos and applications requiring level detection at greater installation depths.
Key Features
Adjustable Shaft Length up to 1500 mm
The adjustable shaft design allows the shaft length to be set between 1000 mm and 1500 mm, providing flexibility for a wide range of industrial installation requirements.
Standard Flanged Connection
The JIS 2-1/2″ × 5 kg/cm² flange provides secure installation on the top or side of silos while simplifying maintenance and replacement.
SS304 Stainless Steel Paddle
The SS304 stainless steel paddle offers excellent mechanical strength, corrosion resistance, and long service life when handling powdered or granular bulk materials.
High-Capacity SPDT Output Contact
The SPDT 220 VAC / 10 A output contact can be easily connected to PLCs, intermediate relays, alarm systems, and industrial automation equipment.
Reliable Performance in Dusty Environments
With an IP65 protection rating, the sensor is designed to operate reliably in dusty industrial environments such as cement plants, feed mills, plastic processing facilities, chemical plants, and bulk material storage systems.
Technical Specifications
| Specification | Value |
|---|---|
| Model | ISEN-30AAF-1500 |
| Device Type | Rotary Paddle Level Sensor |
| Mounting Type | Vertical Flanged Mounting |
| Connection | JIS 2-1/2″ × 5 kg/cm² Flange |
| Power Supply | 220 VAC, 50 Hz |
| Output Contact | SPDT, 220 VAC / 10 A |
| Paddle Material | SS304 Stainless Steel |
| Paddle Size | 100 × 30 mm (W × H) |
| Adjustable Shaft Length | 1000–1500 mm |
| Protection Rating | IP65 |
| Maximum Working Temperature | 80°C |
| Minimum Bulk Density | ≥ 0.5 g/cm³ |
Operating Principle
Under normal conditions, the internal motor continuously rotates the paddle. When the material level rises and reaches the paddle, the resistance created by the bulk material causes the internal microswitch to change state.
The SPDT contact then transmits a signal to a PLC or control panel to perform functions such as level alarms, material feeding control, or silo overfill protection.
When the material level falls below the sensor, the paddle resumes rotation and the sensor automatically returns to its normal operating state.
Applications
The ISEN-30AAF-1500 Rotary Paddle Level Sensor is widely used in:
- Cement silos
- Fly ash silos
- Concrete batching plants
- Animal feed manufacturing
- Plastic processing plants
- Food processing facilities
- Limestone powder handling systems
- Powder chemical plants
- Bulk material storage silos and hoppers
The sensor is suitable for bulk materials with a minimum density of 0.5 g/cm³.
Advantages
- Adjustable shaft length up to 1500 mm for deep-level detection.
- Reliable operation in dusty industrial environments.
- Unaffected by the electrical conductivity of the material.
- Simple, durable electromechanical construction.
- Easy installation and maintenance.
- SPDT output for seamless integration with industrial control systems.
- Ideal for large silos and deep storage hoppers.
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