Structured Manufacturing Data (2026)

Angle/Radius Sensor

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Angle/Radius Sensor used in the Machinery and Equipment Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Angle/Radius Sensor is characterized by the integration of Sensor Housing and Measurement Transducer. In industrial production environments, manufacturers listed on CNFX commonly emphasize Stainless Steel Housing construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A sensor that measures the angle and radius of a crane's boom or jib for load moment calculation.

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Product Specifications

Technical details and manufacturing context for Angle/Radius Sensor

Definition
An Angle/Radius Sensor is a critical component of Load Moment Indicator (LMI) systems used primarily in mobile and tower cranes. It precisely measures the horizontal angle of the crane's boom relative to the crane's chassis and the extension radius of the boom or jib. This data is essential for the LMI's computer to calculate the load moment (load weight multiplied by radius), ensuring the crane operates within its safe working limits and preventing dangerous overload conditions.
Working Principle
The sensor typically uses a combination of technologies. The angle measurement is often achieved via a precision rotary potentiometer, encoder, or inertial measurement unit (IMU) mounted at the boom's pivot point. The radius measurement is commonly derived from a string potentiometer, laser rangefinder, or encoder integrated into the boom extension mechanism (e.g., telescopic cylinders). These sensors output analog voltage signals or digital data proportional to the measured angle and radius, which are fed into the LMI's processing unit.
Common Materials
Stainless Steel Housing, Potentiometer/Encoder Elements, PCB with Electronics, Sealing Polymers
Technical Parameters
  • Measurement range and accuracy for angle (degrees) and radius/boom length (meters). (deg / m) Customizable
Components / BOM
  • Sensor Housing
    Protects internal electronics from environmental factors like dust, moisture, and mechanical impact.
    Material: Stainless Steel or Aluminum Alloy
  • Measurement Transducer
    The core sensing element (e.g., rotary potentiometer, encoder, string pot) that converts physical position into an electrical signal.
    Material: Various (Conductive plastics, metals, optical elements)
  • Signal Conditioning Circuitry
    Amplifies, filters, and linearizes the raw signal from the transducer for accurate and stable output to the LMI computer.
    Material: PCB with integrated circuits and discrete components

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Angle/Radius Sensor.

Boom Angle Sensor LMI Sensor Radius Transducer crane boom angle sensor for load moment industrial radius measurement sensor machinery stainless steel housing angle sensor crane potentiometer encoder sensor for jib positioning load moment calculation sensor equipment manufacturing

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Load Moment Indicator
View system integration details

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: 0 to 2 bar (ambient pressure rating)
other spec: IP67 ingress protection, 0-360° measurement range, ±0.1° accuracy
temperature: -40°C to +85°C
Media Compatibility
✓ Crane boom/jib steel surfaces ✓ Industrial hydraulic systems ✓ Outdoor construction environments
Unsuitable: Submerged or high-pressure washdown applications
Sizing Data Required
  • Boom length and mounting position
  • Required measurement resolution and accuracy
  • Communication protocol (CAN bus, analog, etc.)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Signal drift/inaccuracy
Cause: Mechanical wear in linkage components, thermal expansion affecting calibration, or contamination interfering with sensing elements
Complete signal loss
Cause: Wiring harness damage from vibration/flexing, connector corrosion from moisture ingress, or internal electronic component failure from electrical transients
Maintenance Indicators
  • Erratic or intermittent angle/position readings on monitoring systems
  • Audible clicking/grinding from mechanical linkages or visible physical damage to sensor housing/wiring
Engineering Tips
  • Implement regular calibration checks using precision reference standards, especially after temperature fluctuations or mechanical shock events
  • Install protective conduit for wiring, use vibration-dampening mounts, and ensure proper IP-rated sealing to prevent environmental contamination

Compliance & Manufacturing Standards

Reference Standards
ISO 9001:2015 - Quality Management Systems IEC 60529:2013 - Degrees of Protection by Enclosures (IP Code) DIN EN 60721-3-3:2019 - Classification of Environmental Conditions
Manufacturing Precision
  • Angular Accuracy: +/-0.1 degrees
  • Repeatability: +/-0.05 degrees
Quality Inspection
  • Environmental Testing (Temperature, Humidity, Vibration)
  • Electrical Performance Verification (Signal Output, Linearity, Hysteresis)

Factories Producing Angle/Radius Sensor

Manufacturer profiles with relevant production capability in China

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Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Technical documentation
4/5
Manufacturing capability
4/5
Inspection readiness
5/5
Supplier transparency
3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

What is the primary application of this angle/radius sensor?

This sensor is specifically designed to measure the angle and radius of crane booms or jibs in machinery and equipment manufacturing, enabling accurate load moment calculations for safe and efficient operation.

What materials are used in the sensor's construction?

The sensor features a durable stainless steel housing, precision potentiometer or encoder elements, a PCB with electronics for signal processing, and sealing polymers to ensure protection against environmental factors.

How does this sensor contribute to crane safety?

By providing precise angle and radius measurements of the boom or jib, the sensor enables real-time load moment calculation, helping prevent overload situations and ensuring compliance with safety standards in industrial crane operations.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data basis: CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks for Machinery and Equipment Manufacturing.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

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