INDUSTRY COMPONENT

Torque Sensor

A precision instrument that measures rotational force in automated chemical mixing systems to ensure consistent product quality and prevent equipment damage.

Component Specifications

Definition
A torque sensor is a critical measurement component in industrial automation systems that quantifies the rotational force (torque) applied to a shaft or rotating element. In chemical drum agitation systems, it monitors the resistance encountered by agitators during mixing processes, providing real-time data on viscosity changes, material consistency, and mechanical loading. These sensors typically employ strain gauge technology, magnetoelastic principles, or optical measurement techniques to convert mechanical torque into proportional electrical signals for process control systems.
Working Principle
Torque sensors operate by measuring the angular deflection or strain in a torsionally elastic element between driving and driven components. In strain gauge-based sensors, Wheatstone bridge circuits detect minute resistance changes in bonded strain gauges as the shaft twists under load. Magnetoelastic sensors measure changes in magnetic permeability of ferromagnetic materials under torsional stress. The measured signal is amplified, conditioned, and converted to standardized outputs (4-20mA, 0-10V, or digital protocols) for integration with PLCs and SCADA systems.
Materials
Sensor body: Stainless steel (AISI 304/316) or aluminum alloy; Sensing element: High-strength alloy steel (40CrNiMoA equivalent); Strain gauges: Constantan or Karma foil with polyimide backing; Electrical connections: Shielded cables with IP67-rated connectors; Protective coatings: Epoxy or PTFE for chemical resistance.
Technical Parameters
ParameterTypical rangeNotes & selection driver
Accuracy±0.1% to ±0.5% of full scale
MountingFlange or shaft-to-shaft connection
Hysteresis<0.05% FS
Power Supply24 VDC ±10%
Non Linearity<0.1% FS
Output Signal4-20mA, 0-10V, CANopen, Profibus, Ethernet/IP
Repeatability<0.03% FS
Response Time<1 ms
Protection ClassIP65/IP67
Measurement Range0-500 Nm to 0-5000 Nm
Overload Capacity150% of rated torque
Operating Temperature-20°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 17025, DIN 51309, IEC 60751, ASTM E74

Parent Products

This component is used in the following industrial products

Engineering Analysis

Risks & Mitigation
  • Signal drift from temperature variations
  • Corrosion in aggressive chemical environments
  • Mechanical overload beyond sensor capacity
  • Electrical interference in industrial settings
  • Calibration drift over time
FMEA Triads
Trigger: Strain gauge degradation from chemical exposure
Failure: Measurement inaccuracy leading to improper mixing
Mitigation: Use chemically resistant coatings and regular calibration
Trigger: Shaft misalignment during installation
Failure: Premature mechanical failure and false torque readings
Mitigation: Precision alignment procedures and regular inspection
Trigger: Electrical noise interference
Failure: Unstable output signals causing process fluctuations
Mitigation: Proper shielding, grounding, and use of differential signal transmission

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance
±0.25% of reading for process control applications, ±0.1% for quality-critical applications
Test Method
Deadweight torque calibration with traceable standards, temperature compensation testing from -20°C to +85°C, vibration testing per IEC 60068-2-6, chemical resistance testing per ASTM D543

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 Torque Sensor

5 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.

HaiboSensor
Guangdong, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Hefei Brans Measuring And Controlling Technology Co., Ltd.
Shanghai, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Shanghai Ziasiot Technology
Shanghai, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Sino-Inst
Shanxi, CN
Also makes: Level Transmitter, Paddle Wheel, Flow Meter and 2 more
Listed on the company's own website · profile compiled by CNFX from public sources
Xiaogan Yueneng Electronic Technology Co., Ltd.
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

How does a torque sensor improve chemical mixing quality?

Torque sensors provide real-time feedback on mixing resistance, allowing automated adjustment of agitation speed and duration to achieve consistent viscosity and homogeneity across batches, reducing product variation and waste.

What maintenance is required for torque sensors in chemical environments?

Regular calibration every 6-12 months, visual inspection for corrosion or coating damage, verification of electrical connections, and cleaning of mounting surfaces to prevent measurement drift from contamination.

Can torque sensors detect equipment failures before they occur?

Yes, abnormal torque patterns can indicate bearing wear, shaft misalignment, agitator blade damage, or material buildup, enabling predictive maintenance and preventing catastrophic failures.

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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