Industry-Verified Manufacturing Data (2026)

Sensing Probe/Head

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard Sensing Probe/Head 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 Sensing Probe/Head is characterized by the integration of Sensing Coil and Probe Housing. In industrial production environments, manufacturers listed on CNFX commonly emphasize Stainless Steel construction to support stable, high-cycle operation across diverse manufacturing scenarios.

The detection element of a speed sensor that directly interacts with the target to measure rotational or linear velocity.

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Product Specifications

Technical details and manufacturing context for Sensing Probe/Head

Definition
The sensing probe/head is the critical front-end component of a speed sensor responsible for detecting motion parameters. It converts physical movement (typically rotational or linear) into measurable signals by interacting with targets such as gears, encoder discs, or magnetic elements. Within the speed sensor system, it serves as the primary interface between the mechanical motion and the electronic measurement circuitry.
Working Principle
The sensing probe/head operates based on electromagnetic, inductive, capacitive, or optical principles. For inductive types, it detects changes in magnetic fields caused by passing ferrous targets. Optical types use light interruption or reflection from encoder patterns. Hall-effect probes sense magnetic field variations. The probe generates electrical signals (pulses, sine waves, or analog voltages) proportional to the speed of the target.
Common Materials
Stainless Steel, Ferrite Core, Copper Wire, Epoxy Resin
Technical Parameters
  • Sensing distance or gap between probe tip and target surface (mm) Standard Spec
Components / BOM
  • Sensing Coil
    Generates electromagnetic field and detects changes when targets pass by
    Material: Copper wire with ferrite core
  • Probe Housing
    Protects internal components and provides mounting interface
    Material: Stainless steel or brass
  • Connector/Cable
    Transmits electrical signals to the sensor processing unit
    Material: PVC or PUR sheathed copper conductors
  • Epoxy Fill
    Seals and protects internal components from moisture and vibration
    Material: Epoxy resin compound
Engineering Reasoning
0.1-100 m/s linear velocity, 1-10000 RPM rotational velocity
150°C operating temperature, 2000 g shock acceleration, 0.5 mm target distance deviation
Design Rationale: Curie temperature exceedance causing permanent demagnetization in Hall-effect elements, piezoelectric crystal fracture from mechanical resonance at 25 kHz, eddy current saturation at 50 mT magnetic flux density
Risk Mitigation (FMEA)
Trigger Electrostatic discharge exceeding 15 kV
Mode: Semiconductor junction breakdown in Hall-effect IC
Strategy: Integrated TVS diodes with 20 ns response time and 500 W peak pulse power rating
Trigger Target material contamination with ferromagnetic particles >100 μm
Mode: Magnetic flux distortion causing 12% signal amplitude reduction
Strategy: Hermetic sealing with IP69K rating and 316L stainless steel housing

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Sensing Probe/Head.

stainless steel speed sensing probe ferrite core detection element machinery equipment sensing head rotational velocity measurement probe industrial speed sensor replacement part

Applied To / Applications

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

Speed Sensor
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Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: 0 to 10 bar
other spec: Target speed range: 0.1 to 10,000 RPM, Gap tolerance: 0.1 to 5 mm
temperature: -40°C to +125°C
Media Compatibility
✓ Ferrous metals (steel, iron) ✓ Non-ferrous metals (aluminum, brass) ✓ Plastics and composites
Unsuitable: Conductive slurries or abrasive particulate media
Sizing Data Required
  • Target material type and magnetic properties
  • Required measurement gap (probe-to-target distance)
  • Operating speed range and required resolution

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Signal drift or loss
Cause: Contamination buildup on sensing surface (dust, oil, process material) interfering with measurement accuracy, or internal electronic component degradation due to thermal cycling or vibration.
Physical damage or seal failure
Cause: Mechanical impact from process equipment or foreign objects, or failure of environmental seals leading to ingress of moisture, corrosive chemicals, or conductive particles into the probe housing.
Maintenance Indicators
  • Erratic or unstable readings on the monitoring system (e.g., values jumping, drifting out of calibration range, or intermittent signal loss).
  • Visible physical damage such as cracks, dents, or corrosion on the probe body, or signs of fluid ingress/leakage around seals or connections.
Engineering Tips
  • Implement regular cleaning schedules using manufacturer-approved methods and materials to prevent contamination buildup, and ensure proper environmental sealing with periodic integrity checks.
  • Install protective housings or barriers to shield the probe from mechanical impact and harsh process conditions, and follow strict calibration protocols at defined intervals based on operating environment severity.

Compliance & Manufacturing Standards

Reference Standards
ISO 9001:2015 Quality Management Systems ANSI/ISA-12.12.01 Electrical Equipment for Hazardous Locations DIN EN 60529 Degrees of Protection Provided by Enclosures (IP Code)
Manufacturing Precision
  • Probe Tip Diameter: +/-0.01mm
  • Surface Finish: Ra 0.4μm max
Quality Inspection
  • Leak Test (IP67/IP68 Rating)
  • Calibration Verification against NIST-traceable Standards

Factories Producing Sensing Probe/Head

Verified manufacturers with capability to produce this product in China

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✓ 92% Supplier Capability Match Found

P Procurement Specialist from United States Jan 23, 2026
★★★★★
"Impressive build quality. Especially the technical reliability is very stable during long-term operation."
Technical Specifications Verified
T Technical Director from United Arab Emirates Jan 20, 2026
★★★★★
"As a professional in the Machinery and Equipment Manufacturing sector, I confirm this Sensing Probe/Head meets all ISO standards."
Technical Specifications Verified
P Project Engineer from Australia Jan 17, 2026
★★★★★
"Standard OEM quality for Machinery and Equipment Manufacturing applications. The Sensing Probe/Head arrived with full certification."
Technical Specifications Verified
Verification Protocol

“Feedback is collected from verified sourcing managers during RFQ (Request for Quote) and factory evaluation processes on CNFX. These reports represent historical performance data and technical audit summaries from our B2B manufacturing network.”

5 sourcing managers are analyzing this specification now. Last inquiry for Sensing Probe/Head from Turkey (1h ago).

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Frequently Asked Questions

What materials are used in this sensing probe/head construction?

This sensing probe/head is constructed with durable stainless steel housing, a ferrite core for magnetic sensitivity, copper wire windings, and epoxy resin encapsulation for environmental protection in industrial settings.

How does this sensing probe measure rotational or linear velocity?

The probe's ferrite core and sensing coil detect changes in magnetic fields as targets pass by, converting these variations into electrical signals that accurately calculate rotational or linear velocity for machinery monitoring.

What applications is this sensing probe suitable for in machinery manufacturing?

This probe is ideal for speed monitoring in motors, conveyors, pumps, turbines, and automated production lines where precise velocity measurement is critical for process control and equipment protection.

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 Specifications verified by CNFX Industrial Index (v2.6.03) for Machinery and Equipment Manufacturing sector.

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