Probe Interface

Product Specifications

Technical details and manufacturing context for Probe Interface

Definition

A probe interface is the critical component of a probe head that provides the physical and electrical connection for transmitting measurement signals, power, and data between the probe's sensing elements and external instrumentation, data acquisition systems, or control units. It ensures reliable signal integrity and proper communication protocols. The interface typically consists of electrical contacts, connectors, or terminals that mate with corresponding cables or ports. It routes analog or digital signals from the probe's sensors (e.g., temperature, pressure, or position sensors) to external devices, often incorporating shielding to minimize noise and impedance matching to preserve signal quality. The housing is typically made of stainless steel 304, and contacts are gold-plated brass, with high-temperature plastics used for insulation. Key parameters include connector type (BNC, per IEC 60169-2), number of pins (4–12), contact resistance (≤50 mΩ per IEC 60512-2), insulation resistance (≥1000 MΩ at 500 V DC per IEC 60512-3), dielectric withstanding voltage (500–1500 V AC per IEC 60512-4), operating temperature (-40 to 85 °C per IEC 60068-2-1/2), IP rating (IP54–IP67 per IEC 60529), mating cycles (500–1000 per IEC 60512-9), rated current (1–5 A per contact per IEC 60512-5), rated voltage (50–250 V AC/DC per IEC 60512-5), and weight (50–200 g). These values are reference ranges and must be verified for the specific model and application. The probe interface is used in industrial measurement and control systems, and its selection depends on signal type, environmental conditions, and mechanical requirements. Always confirm model-specific values and standards with the legal manufacturer or supplier.

Working Principle

The probe interface operates by establishing a secure electrical and mechanical connection between the probe head and external systems. It contains contacts that align with mating connectors, ensuring proper signal routing. Shielding and impedance matching are employed to maintain signal integrity, while the housing protects against environmental factors. The interface supports both analog and digital signals, and its design must accommodate the required number of pins and current/voltage ratings. Proper mating cycles and IP ratings ensure durability and protection against dust and moisture.

Common Materials

Stainless Steel, Gold-Plated Contacts, High-Temperature Plastics

Technical Parameters

Parameter	Typical range	Notes & selection driver
Connector Type	BNC	Standard 50 Ω coaxial connector for signal transmissionIEC 60169-2
Number of Pins	4–12	Depends on signal and power requirements
Contact Resistance	≤50 mΩ	Lower resistance ensures signal integrityIEC 60512-2
Insulation Resistance	≥1000 MΩ	At 500 V DC, prevents leakageIEC 60512-3
Dielectric Withstanding Voltage	500–1500 V AC	Ensures safety against overvoltageIEC 60512-4
Operating Temperature	-40–85 °C	Outside range may degrade materialsIEC 60068-2-1/2
IP Rating	IP54–IP67	Protects against dust and water ingressIEC 60529
Mating Cycles	500–1000 cycles	Higher cycles for frequent useIEC 60512-9
Rated Current	1–5 A	Per contact, depends on pin sizeIEC 60512-5
Rated Voltage	50–250 V AC/DC	Maximum continuous voltageIEC 60512-5
Housing Material	Stainless steel 304	Corrosion resistant for industrial environmentsASTM A276
Contact Material	Gold-plated brass	Ensures low resistance and durabilityASTM B16
Weight	50–200 g	Varies with connector size and pin count

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

Connector Housing Part
Provides structural support and environmental protection for electrical contacts

Material: Stainless Steel or High-Temperature Plastic
Contact Pins Part
Conduct electrical signals between the probe and external systems

Material: Gold-Plated Copper Alloy
Insulation Sleeve Part
Prevents electrical short circuits between pins

Material: Ceramic or High-Temperature Polymer
Shielding
Keeps outside noise off the low-level probe signal at the connector.

Applied To / Applications

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

Probe Head

View system integration details

Test and Measurement Equipment

View system integration details

Manufacturers of Probe Interface

Manufacturer profiles associated with Probe Interface.

Sourcing Probe Interface from China?

Tell us your specification and target quantity — we will match it against manufacturer records and come back with the factories that fit.

Request manufacturers We manufacture this

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

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation

Request current drawings, revision history, and a signed specification sheet.

Manufacturing capability

Verify equipment lists, process limits, capacity, and representative production evidence.

Inspection readiness

Confirm test methods, calibrated equipment, sampling plans, and traceable reports.

Supplier transparency

Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Frequently Asked Questions

What is the typical connector type for a probe interface?

The connector type is often BNC, as per IEC 60169-2, but it may vary. Always verify the specific model's connector type with the manufacturer.

What is the operating temperature range?

The reference range is -40 to 85 °C, per IEC 60068-2-1/2. Confirm the exact range for your application, as extreme conditions may affect performance.

How many mating cycles can the interface withstand?

The reference range is 500 to 1000 cycles, per IEC 60512-9. Frequent use may require higher cycle ratings; check the datasheet.

What IP ratings are available?

The reference range is IP54 to IP67, per IEC 60529. Choose based on the environment's dust and water exposure. Verify with the supplier.

Data Basis

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

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.

Buyer enquiry

Request manufacturing insight for Probe Interface

Ask for use case, specification boundaries, supplier type, and RFQ preparation information for this product.

Where it goes: Straight to the CNFX editorial desk, and to the manufacturer if this product is linked to a claimed profile. Nothing is broadcast to a supplier list.
Your details stay here: We do not sell or rent enquiry data, and we do not add you to a mailing list. Used only to answer this request.
No commission, no middleman: CNFX is a directory. We take no cut of any order and never negotiate on a supplier's behalf.
What we don't claim: A listing is not an endorsement. Qualify every supplier and verify every figure yourself before ordering.

pressure:	0 to 100 bar
other spec:	Signal frequency range: DC to 10 MHz, Vibration tolerance: 5g RMS
temperature:	-40°C to 150°C

Product Specifications

Applied To / Applications

Industrial Ecosystem & Supply Chain Structure

Application Fit & Sizing Matrix

Reliability & Engineering Risk Analysis

Compliance & Manufacturing Standards