Speed Sensor Sensing Probe/Head | Industrial Component

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. The probe is designed for industrial environments, with a stainless steel housing (grades 304–316 per ASTM A276) for corrosion resistance. It operates on various principles, including inductive, optical, Hall-effect, capacitive, or electromagnetic, depending on the application. The probe generates electrical signals such as pulses, sine waves, or analog voltages proportional to the speed of the target. Key parameters include sensing range (0.5–10 mm), output signal (0–10 V DC, with other options like 4–20 mA or digital), supply voltage (9–36 V DC), current consumption (10–30 mA without load), operating temperature (-40 to 85 °C), protection class (IP54–IP67 per IEC 60529), probe diameter (6–30 mm), probe length (30–200 mm), cable length (1–10 m, shielded), and weight (50–500 g). Custom diameters and lengths are available. The probe is a component, not a complete sensor, and must be integrated with signal conditioning and power supply. For selection, consider the target type, mounting space, environmental conditions, and required output. Verify model-specific values and standards with the legal manufacturer or supplier, as the listed ranges are directory references and not guarantees of compliance.

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

Parameter	Typical range	Notes & selection driver
Sensing Range	0.5–10 mm	For proximity sensors; larger ranges require larger probe size.
Output Signal	0–10 V DC	Analog output; other options include 4–20 mA or digital.
Supply Voltage	9–36 V DC	Wide range for industrial compatibility.
Current Consumption	10–30 mA	Without load.
Operating Temperature	-40–85 °C	Extended range available on request.
Protection Class	IP54–IP67	Higher IP for harsh environments.IEC 60529
Probe Diameter	6–30 mm	Custom diameters available.
Probe Length	30–200 mm	Custom lengths available.
Housing Material	304–316 SS	316 for corrosion resistance.ASTM A276
Cable Length	1–10 m	Shielded cable standard.
Weight	50–500 g	Depends on size and cable length.

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

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
Hall-Effect Sensor Optional
Reads the magnetic field directly, so the target does not have to move fast to give a signal.

Applied To / Applications

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

Speed Sensor

View system integration details

Manufacturers of Sensing Probe/Head

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Frequently Asked Questions

What is the sensing range of this probe?

The sensing range is 0.5–10 mm, depending on the model and target. Larger ranges require larger probe size. Verify the exact range for your application with the manufacturer.

What output signals are available?

The standard analog output is 0–10 V DC. Other options include 4–20 mA or digital outputs. The specific output type must be confirmed with the supplier.

Can the probe be used in harsh environments?

The protection class ranges from IP54 to IP67 per IEC 60529, with higher IP ratings for harsh environments. The operating temperature range is -40 to 85 °C. Confirm the required rating for your environment.

What materials are used in the probe construction?

The housing is made of stainless steel (grades 304–316 per ASTM A276). Other materials include ferrite core, copper wire, and epoxy resin. These materials provide durability and corrosion resistance.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification

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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

Sensing Probe/Head

Product Specifications

Applied To / Applications

Industrial Ecosystem & Supply Chain Structure

Application Fit & Sizing Matrix

Reliability & Engineering Risk Analysis

Compliance & Manufacturing Standards