Structured Manufacturing Data (2026)

Sensing Probe/Head

Based on aggregated insights from structured 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 Part
Generates electromagnetic field and detects changes when targets pass by

Material: Copper wire with ferrite core
Probe Housing Part
Protects internal components and provides mounting interface

Material: Stainless steel or brass
Connector/Cable Part
Transmits electrical signals to the sensor processing unit

Material: PVC or PUR sheathed copper conductors
Epoxy Fill Part
Seals and protects internal components from moisture and vibration

Material: Epoxy resin compound

Industry Taxonomies & Aliases

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

Applied To / Applications

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

Speed Sensor

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Industrial Ecosystem & Supply Chain Structure

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

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.

Procurement Evaluation Criteria

Not customer reviews or live demand data. These dimensions support RFQ preparation and supplier evaluation.

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 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 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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