INDUSTRY COMPONENT

Electrical Connection

Electrical connection component for flow sensors and transducers that provides secure power and signal transmission in industrial measurement systems.

Component Specifications

Definition
An electrical connection component specifically designed for flow sensors and transducers, consisting of connectors, terminals, wiring, and protective elements that establish reliable electrical interfaces between the sensor and control systems. It ensures stable transmission of power supply, analog/digital signals, and communication protocols while maintaining electrical integrity in industrial environments.
Working Principle
The electrical connection operates by providing physical and electrical interfaces between the flow sensor/transducer and external systems. It uses conductive materials to transmit electrical signals from the sensor's sensing elements to processing units, while maintaining proper insulation and shielding to prevent interference. Connection types include screw terminals, plug connectors, or integrated cable assemblies that match specific sensor protocols (4-20mA, 0-10V, HART, Modbus, etc.).
Materials
Copper alloy terminals with tin or gold plating (for conductivity), PVC or polyamide insulation (UL94 V-0 rated), silicone or rubber sealing elements (IP67/IP68 rated), stainless steel or brass housing (for corrosion resistance), and shielded cables with twisted pairs (for noise reduction).
Technical Parameters
ParameterTypical rangeNotes & selection driver
IP RatingIP67/IP68 for waterproof applications
Wire GaugeAWG 18-22
Signal Types4-20mA analog, 0-10V, pulse, RS485, HART
Voltage Rating24V DC typical (12-36V range)
Connection TypeM12, M8, or 7/8" connectors with 4-8 pins
Current CapacityUp to 4A
Housing MaterialPBT, stainless steel 316, or brass with nickel plating
Temperature Range-40°C to +85°C

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

Standards
ISO 4400, DIN 43650, IEC 61076-2-101, UL 1977

Parent Products

This component is used in the following industrial products

Engineering Analysis

Risks & Mitigation
  • Incorrect wiring causing sensor damage
  • Poor sealing leading to moisture ingress and corrosion
  • Electromagnetic interference from unshielded cables
  • Loose connections causing signal dropout
  • Over-tightening damaging connector threads
FMEA Triads
Trigger: Moisture ingress through damaged seals
Failure: Corrosion of terminals, short circuits, signal loss
Mitigation: Regular inspection of seals, use of IP68 rated connectors, proper installation of cable glands with strain relief
Trigger: Electromagnetic interference from nearby equipment
Failure: Signal noise, measurement inaccuracies, false readings
Mitigation: Use shielded twisted pair cables, proper grounding, separation from power cables, ferrite cores on cables
Trigger: Vibration loosening connection points
Failure: Intermittent connections, complete signal loss
Mitigation: Use locking connectors, vibration-resistant designs, regular torque checks, cable clamps to reduce strain

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance
Contact resistance < 10mΩ, insulation resistance > 100MΩ at 500V DC, dielectric strength 1500V AC for 1 minute
Test Method
IP testing per IEC 60529, vibration testing per IEC 60068-2-6, temperature cycling per IEC 60068-2-14, pull test on cables per IEC 61984

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.

Manufacturers of Electrical Connection

3 companies list this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

HLC Metal Parts Ltd
Dongguan, Guangdong, CN
IATF16949 ISO13485
Listed on the company's own website · profile compiled by CNFX from public sources
CYCO Nozzles
Guangdong, CN
Listed on the company's own website · profile compiled by CNFX from public sources
FZOLINK
Fujian, CN
Listed on the company's own website · profile compiled by CNFX from public sources

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

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Frequently Asked Questions

What are the most common connector types for flow sensor electrical connections?

M12 connectors (4-8 pins) are most common for industrial flow sensors, followed by M8 connectors for compact applications and 7/8" connectors for higher current requirements. The choice depends on signal type, environmental conditions, and industry standards.

How do I ensure proper sealing for electrical connections in wet environments?

Use IP67 or IP68 rated connectors with proper O-rings and cable glands. Ensure mating surfaces are clean, apply appropriate torque to connector nuts (typically 0.6-1.2 Nm for M12), and use cable entries with strain relief to maintain seal integrity.

What is the difference between 2-wire and 4-wire connection systems for flow transducers?

2-wire systems use the same pair for both power and signal (typically 4-20mA), simplifying installation but limiting power. 4-wire systems separate power and signal wires, allowing higher power delivery and more complex communication protocols like HART or digital buses.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

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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