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NR 4100

The NR 4100 radar level sensor delivers precise, non-contact measurement for industrial silos, tanks, and bulk storage. Its narrow beam ensures accurate detection even in dusty or abrasive environments. Designed for fast response and reliable performance, it supports continuous monitoring of liquids and solids. With compact construction and high durability, it helps industries improve process efficiency, reduce downtime, and maintain consistent inventory control across challenging operating conditions.

Category Level
Brand UWT
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Technical details and application highlights

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The NR 4100 radar level sensor is engineered for accurate and continuous level measurement across demanding industrial environments. Using advanced 80 GHz FMCW radar technology, it provides reliable, non-contact detection of liquids and bulk solids in silos, storage tanks, and stockpiles. Its narrow beam angle enables precise targeting, making it ideal for applications where space is limited or internal obstructions are present.

Key Features

  • High-frequency radar technology for precise level detection
  • Narrow beam angle for focused measurement in confined spaces
  • Fast response time for real-time monitoring
  • Compact design with robust industrial construction
  • Suitable for hazardous and regulated environments
  • Strong resistance to dust, buildup, and abrasive materials

Application

The NR 4100 is widely used in industries such as manufacturing, food processing, chemicals, and bulk material handling. It ensures accurate level monitoring in storage silos, process vessels, intermediate bulk containers, and open stockpiles. Its performance remains consistent even in challenging environments with heavy dust, vapors, or material buildup.

Design & Functionality

Built with a durable PVDF housing and designed for top mounting, the sensor operates efficiently across a wide temperature and pressure range. Its non-contact radar principle eliminates mechanical wear, ensuring long service life and minimal maintenance. The device supports continuous level measurement with high accuracy, making it ideal for automation systems.

Total Crossed Beams

The highly focused radar beam minimizes interference from internal structures, enabling precise readings even in narrow or tall vessels. This design ensures consistent measurement regardless of material surface variations.

Beam Pitch Options

The optimized beam configuration allows accurate targeting of materials in both small containers and large silos. This flexibility enhances performance across different industrial setups.

Intrinsic Synchronism

Advanced signal processing ensures stable and synchronized measurements, even in dynamic environments with changing material levels or surface conditions.

Operational Advantages

The NR 4100 improves operational efficiency by delivering reliable data for inventory management and process control. Its ability to perform in dusty, abrasive, and hazardous conditions reduces downtime and enhances safety. With easy integration into industrial systems, it supports better decision-making and optimized resource management.

Parameter

Details

Measurement PrincipleRadar (non-contact)
Measuring TaskContinuous level measurement
MediumLiquids, Solids
Mounting PositionTop
Ambient Temperature-40°C to +80°C
Process Temperature-40°C to +80°C
Process Pressure-1 bar to +3 bar
Minimum SensitivityDK ≥ 1.1
Housing MaterialPVDF
Protection RatingIP66/68 (3 bar), Type 6P
Thread ConnectionG 1", NPT 1", R 1"
Flange Connection≥ 3", ≥ DN80
Wetted MaterialsPVDF
Accuracy± 2 mm
Power Supply12 to 35 V DC
Signal Output4–20 mA / HART (2-wire)
ApprovalsCE, ATEX, IEC-Ex, INMETRO, FM, KC, UKCA
Ex MarkingsEx t, Ex i, Ex m
ComplianceFDA, EG 1935/2004
Overfill ProtectionWHG
User InterfaceMobile Device + LevelApp
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