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NivoBob NB 4100 Electromechanical Silo Level Sensor

The NB 4100 is a dependable electromechanical level sensor designed for continuous monitoring of bulk solids in storage silos. Using a proven plumb bob measuring method, it delivers precise readings even in low dielectric materials such as granulates. Built for industrial environments, it helps prevent overflow, optimize inventory control, and ensure efficient material handling operations with minimal maintenance and consistent performance.

Category Level
Brand UWT
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Technical details and application highlights

Review the complete description, feature set, and specification details before sending your inquiry.

The NB 4100 electromechanical level sensor is engineered for accurate and continuous level measurement in bulk storage silos. Designed to handle a wide range of solid materials, it provides reliable performance even in challenging conditions such as low dielectric constant materials like granulates. Its robust measuring principle ensures consistent results across various industrial applications.

Key Features

  • Electromechanical plumb bob measuring system
  • Continuous level monitoring for bulk solids
  • High accuracy in low dielectric materials
  • Durable construction for industrial environments
  • Multiple signal outputs including analog and digital
  • Self-diagnostics for reliable operation
  • Easy setup with menu-driven configuration

Application

The NB 4100 is widely used in industries handling bulk materials such as cement, plastics, food grains, chemicals, and powders. It is ideal for storage silos where precise level monitoring is critical to avoid overflow, material shortages, or process interruptions. Its adaptability makes it suitable for both standard and demanding environments.

Design & Functionality

The sensor operates using a plumb bob system that lowers a weight onto the material surface and measures the distance accurately. This simple yet effective method ensures dependable readings regardless of dust, uneven surfaces, or material properties. The rugged housing and industrial-grade materials enhance durability and long-term performance.

Total Crossed Beams

The NB 4100 design ensures stable and interference-free measurement by maintaining consistent mechanical movement and signal integrity. This enhances measurement reliability across varying silo conditions.

Beam Pitch Options

The system supports flexible configuration to adapt to different silo heights and material characteristics, ensuring precise level detection in diverse setups.

Intrinsic Synchronism

The integrated control system ensures smooth synchronization between measurement cycles, providing accurate and repeatable readings without signal fluctuation.

Operational Advantages

With its straightforward measuring principle, the NB 4100 reduces complexity while delivering high reliability. It minimizes maintenance requirements, improves inventory management, and enhances operational efficiency. The sensor’s ability to perform consistently in harsh industrial conditions makes it a trusted solution for bulk solids level measurement.

Parameter

Specification

Measurement PrincipleElectromechanical Lot-Sensor
Measuring TaskContinuous level measurement
MediumSolids
Mounting PositionTop / Angled (top) / On a Socket
Ambient Temperature-40°C to +60°C (-40°F to +140°F)
Process Temperature-40°C to +80°C (-40°F to +176°F)
Process Pressure-0.2 to +0.2 bar (-3.0 to +3.0 psi)
Housing MaterialAluminium
Protection RatingIP66, Type 4
Flange Connection≥ DN100 / ≥ 2"
Wetted MaterialsAluminium, Stainless Steel (304/316/303), PVC, PA
Mechanical LoadStandard motor: 0.8 kN
Power Supply115V AC / 230V AC / 20–28V DC
Signal Output4–20 mA, Relay, Modbus RTU, Profibus DP
ApprovalsCE, ATEX, FM, TR-CU
Ex MarkingsEx t
FeaturesSelf diagnostics, Menu-driven quick start, Volume table
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