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VN 4040 Vibrating Fork Detector for Bulk Solid Level Control

The VN 4040 vibrating fork level sensor delivers precise point level detection for dry bulk solids in silos, bins, and process vessels. Designed for flexible probe extension, it adapts to various industrial applications with ease. This sensor prevents overfill, ensures consistent material flow, and enhances operational safety. Ideal for powders and granules, it offers reliable performance in demanding environments and supports efficient bulk material handling systems.

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 Vibranivo VN 4040 vibrating fork level sensor is engineered for accurate point level detection in dry and free-flowing bulk solids. Designed for industrial environments, it ensures dependable monitoring in storage silos, processing vessels, and material handling systems. Its flexible probe design allows users to customize the insertion length, making it suitable for diverse operational requirements.

Key Features

This vibrating fork sensor provides reliable level detection regardless of material properties such as density or particle size. Its adjustable sensitivity enables detection of light powders and heavier granular materials. With robust construction and high ingress protection, the VN 4040 ensures durability even in harsh conditions. The device supports multiple output options, allowing seamless integration into control systems.

Application

The VN 4040 is widely used in industries such as cement, food processing, plastics, chemicals, and agriculture. It is ideal for detecting full, empty, or demand levels in silos, hoppers, and tanks. It helps prevent overfilling, avoids material wastage, and ensures uninterrupted production processes.

Design & Functionality

The sensor operates on vibration-based fork technology, where oscillation changes when material comes into contact with the probe. This change is detected and converted into a switching signal. The modular pipe extension design allows flexible installation depths, making it adaptable for different vessel sizes and configurations.

Total Crossed Beams

The VN 4040 maintains stable vibration performance even under varying load conditions. Its fork structure ensures consistent detection across different material densities without false triggering.

Beam Pitch Options

The sensor’s design allows efficient detection across a range of bulk materials, ensuring responsiveness to both fine powders and coarse granules. This flexibility makes it suitable for multiple industrial processes.

Intrinsic Synchronism

The vibrating mechanism maintains consistent oscillation frequency, ensuring accurate and repeatable measurements. This stability enhances reliability in continuous operations.

Operational Advantages

The VN 4040 improves process efficiency by providing precise level detection, reducing downtime, and minimizing manual monitoring. It enhances safety by preventing overflow and dry-run conditions. Its low maintenance design and easy installation make it a cost-effective solution for bulk material handling.

Parameter

Specification

Measurement PrincipleVibration (Fork)
Measuring TaskPoint level measurement
VersionPipe extension (screwed)
MediumSolids
Mounting PositionTop / Horizontal / On a Socket
Ambient Temperature-40°C to +60°C (-40°F to +140°F)
Process Temperature-40°C to +150°C (-40°F to +302°F)
Process Pressure-1 bar to +16 bar (-14.5 psi to +232 psi)
Minimum Sensitivity> 30 g/l (> 3.8 lb/ft³)
Housing TypeStandard
Housing MaterialAluminium
Protection RatingIP67, NEMA Type 4X
Threaded Connection≥ R 1 1/2", ≥ NPT 1 1/4"
Flange Connection≥ DN100, ≥ 2"
Hygienic FittingsTriclamp 2"
Wetted MaterialsStainless Steel 1.4581, 1.4404 (316L), 1.4305 (303)
Mechanical LoadTube: 100 Nm, Oscillating rods: 0.5 kN
Min. Immersion Length1500 mm
Max. Immersion Length4 m
Power Supply19–40V DC / 19–230V AC
Signal OutputRelay DPDT, Transistor PNP
ApprovalsCE, ATEX, IEC-Ex, FM, TR-CU
Ex MarkingsEx t
Hygienic / PharmaEG 1935/2004, FDA
Optical IndicatorLED
FeaturesAdjustable sensitivity, Fail-safe switching
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