INDUSTRY COMPONENT

Cable/Connector

Load cell cable/connector transmits strain gauge signals from force sensors to measurement systems with precision and reliability.

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Component Specifications

Definition
A specialized electrical interconnect component designed specifically for load cell sensors, consisting of shielded cables and robust connectors that transmit low-level analog signals from strain gauge bridges to signal conditioners or data acquisition systems. These components maintain signal integrity by minimizing electromagnetic interference, voltage drops, and connection resistance while providing mechanical protection and environmental sealing for industrial applications.
Working Principle
Operates by establishing a continuous, low-resistance electrical pathway between the load cell's strain gauge bridge circuit and the measurement instrumentation. The connector provides secure mechanical mating with gold-plated contacts to ensure stable electrical continuity, while the shielded cable prevents external electromagnetic interference from corrupting the sensitive microvolt-level signals generated by the Wheatstone bridge configuration within the load cell.
Materials
Copper conductors (typically 4-6 wires) with PVC or PUR insulation, nickel-plated brass connector housings, gold-plated phosphor bronze contacts, aluminum foil or braided copper shielding, silicone or rubber sealing gaskets, stainless steel strain reliefs.
Technical Parameters
ParameterTypical rangeNotes & selection driver
IP RatingIP67 minimum
Shielding≥85% coverage
Wire Count4-6 conductors
Cable LengthStandard: 3m, 5m, 10m
Connector TypeCircular M12, M8, or 6-pin DIN
Voltage Rating300V AC/DC
Conductor Gauge22-28 AWG
Temperature Range-40°C to +85°C
Contact Resistance≤10 mΩ
Insulation Resistance≥100 MΩ at 500V DC

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 15194, DIN 43650, IEC 61076-2-101

Parent Products

This component is used in the following industrial products

Load Cell Sensor

A transducer that converts force or weight into an electrical signal for measurement.

View Product Details

Temperature & pH Probes

Integrated sensor assembly for simultaneous monitoring of temperature and pH levels within a neutralization reactor.

View Product Details

Conductivity Cell

A sensor component that measures the electrical conductivity of a solution by applying an alternating current between electrodes.

View Product Details

Engineering Analysis

Risks & Mitigation
  • Signal degradation from damaged shielding
  • Moisture ingress causing short circuits
  • Intermittent connections from worn contacts
  • Ground loops creating measurement errors
  • Mechanical stress leading to wire breakage
FMEA Triads
Trigger: Vibration-induced contact wear
Failure: Intermittent signal transmission
Mitigation: Use locking connectors with vibration-resistant designs and periodic connection inspection
Trigger: Chemical exposure degrading insulation
Failure: Short circuits or ground faults
Mitigation: Select chemical-resistant cable jackets (PUR) and ensure proper sealing at connection points
Trigger: Improper strain relief installation
Failure: Conductor breakage at termination points
Mitigation: Use proper cable glands, follow torque specifications, and avoid sharp bending near connectors

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance
Signal transmission error ≤0.1% of full scale, insulation resistance ≥100 MΩ, contact resistance variation ≤5% over lifetime
Test Method
Continuity testing, insulation resistance measurement (500V DC), shielding effectiveness test (per IEC 61000-4-6), mechanical mating cycle testing (≥500 cycles), environmental testing (temperature cycling, humidity, salt spray)

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 Cable/Connector

Manufacturer profiles associated with Cable/Connector.

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Frequently Asked Questions

Why are load cell cables typically shielded?

Load cells generate extremely low voltage signals (typically millivolts) that are highly susceptible to electromagnetic interference. Shielded cables prevent noise from motors, power lines, and other equipment from corrupting measurement accuracy.

Can I extend a load cell cable without affecting accuracy?

Yes, but with limitations. Cable extensions increase resistance and capacitance, potentially affecting signal quality. Use proper gauge wire, maintain shielding continuity, and avoid exceeding manufacturer's maximum recommended length (typically 30-50 meters).

What's the difference between 4-wire and 6-wire load cell cables?

4-wire cables provide basic power and signal connections. 6-wire cables include separate sense wires that compensate for voltage drops in long cable runs, providing more accurate excitation voltage at the load cell for precision applications.

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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