Editorial Technical Reference

Force Sensor

This page explains how Force Sensor is classified within Machinery and Equipment Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

A force sensor is a component used in machinery and equipment manufacturing to measure mechanical force and convert it into an electrical signal.

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Product Specifications

Technical details and manufacturing context for Force Sensor

Definition
A force sensor is a component used in machinery and equipment manufacturing to measure mechanical force and convert it into an electrical signal. In the context of an automatic sealing mechanism, this sensor detects and quantifies the applied force during the sealing process, ensuring proper pressure is maintained for consistent and reliable seal quality. The sensor typically operates by detecting the deformation (strain) of a sensing element, such as a strain gauge, when force is applied. This deformation changes the electrical resistance, which is measured and converted into a proportional electrical signal (e.g., voltage or current) representing the force magnitude. Common materials include stainless steel, aluminum alloy, strain gauges (e.g., Constantan foil), and epoxy resin. Key parameters to consider when selecting a force sensor include rated capacity (0.5–1000 kN), accuracy class (0.05–0.5 %FS per ISO 7500-1), nonlinearity (±0.02–±0.1 %FS), hysteresis (±0.02–±0.1 %FS), repeatability (±0.01–±0.05 %FS), excitation voltage (5–12 V DC), output sensitivity (1.0–2.0 mV/V), input and output resistance (350–700 Ω), insulation resistance (≥5000 MΩ at 50 V DC per IEC 60255-5), operating temperature range (-40–85 °C), compensated temperature range (-10–60 °C), temperature effect on zero and span (±0.02–±0.05 %FS/10K), IP rating (IP65–IP68 per IEC 60529), material (17-4PH stainless steel per ASTM A564), and weight (0.5–10 kg). These values are reference ranges and must be verified for the specific model and application. Always confirm model-specific values and standards with the legal manufacturer or supplier.
Working Principle
The force sensor operates on the principle of strain measurement. When a force is applied, the sensing element (typically a strain gauge) deforms, causing a change in its electrical resistance. This resistance change is measured using a Wheatstone bridge configuration, and the resulting voltage or current signal is proportional to the applied force. The sensor is designed to convert mechanical force into an electrical output that can be read by control systems, enabling precise monitoring and control of sealing pressure.
Common Materials
Stainless Steel, Aluminum Alloy, Strain Gauges (e.g., Constantan foil), Epoxy Resin
Technical Parameters
ParameterTypical rangeNotes & selection driver
Rated Capacity0.5–1000 kNSelect based on maximum force to be measured
Accuracy Class0.05–0.5 %FSLower value indicates higher accuracyISO 7500-1
Nonlinearity±0.02–±0.1 %FSDeviation from ideal straight line
Hysteresis±0.02–±0.1 %FSDifference in output for same load during loading/unloading
Repeatability±0.01–±0.05 %FSConsistency of output under repeated loads
Excitation Voltage5–12 V DCRecommended supply voltage for bridge excitation
Output Sensitivity1.0–2.0 mV/VSignal output per volt of excitation
Input Resistance350–700 ΩBridge input impedance
Output Resistance350–700 ΩBridge output impedance
Insulation Resistance≥5000 At 50 V DC between bridge and housingIEC 60255-5
Operating Temperature Range-40–85 °CExtended range available on request
Compensated Temperature Range-10–60 °CTemperature effect on zero and span is minimized
Temperature Effect on Zero±0.02–±0.05 %FS/10KChange in zero output per 10K temperature change
Temperature Effect on Span±0.02–±0.05 %FS/10KChange in sensitivity per 10K temperature change
IP RatingIP65–IP68Higher rating for harsh environmentsIEC 60529
Material17-4PHStainless steel for corrosion resistanceASTM A564
Weight0.5–10 kgVaries with capacity and design

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
  • Elastic Element (Spring Element) Part
    Deforms elastically under applied force, transmitting the force to the strain gauges.
    Material: Stainless Steel or Aluminum Alloy
  • Strain Gauges Part
    Bonded to the elastic element; their electrical resistance changes proportionally with the element's deformation (strain).
    Material: Constantan or Karma foil
  • Wheatstone Bridge Circuit
    Converts the small changes in strain gauge resistance into a measurable voltage signal.
    Material: Printed Circuit Board (PCB) with copper traces
  • Housing / Enclosure Part
    Protects internal components from environmental factors like dust, moisture, and mechanical damage.
    Material: Stainless Steel or Anodized Aluminum

Applied To / Applications

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

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: 0 to 1000 psi
other spec: Force range: 0-5000 N, Accuracy: ±0.5% FS
temperature: -40°C to 85°C
Media Compatibility
✓ Hydraulic fluids ✓ Industrial lubricants ✓ Clean process gases
Unsuitable: Corrosive chemical environments
Sizing Data Required
  • Maximum expected force (N)
  • Required accuracy (% FS)
  • Mounting configuration

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Drift/Calibration Loss
Cause: Thermal cycling, mechanical overloading, or material fatigue causing permanent deformation of sensing elements, leading to inaccurate force readings over time.
Signal Interruption/Noise
Cause: Damaged wiring, connector corrosion, electromagnetic interference (EMI), or moisture ingress compromising electrical integrity and signal transmission.
Maintenance Indicators
  • Erratic or unstable readings on the monitoring system despite stable load conditions
  • Visible physical damage such as cracks, deformation, or corrosion on the sensor body or mounting points
Engineering Tips
  • Implement regular calibration checks using traceable standards, especially after significant thermal or load events, to detect and correct drift early.
  • Ensure proper environmental sealing and shielded cabling to protect against moisture, contaminants, and EMI, and avoid exceeding the sensor's rated load capacity.

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
ISO 376:2011 - Calibration of force-proving instruments used for the verification of uniaxial testing machines ASTM E74-18 - Standard Practice of Calibration of Force-Measuring Instruments for Verifying the Force Indication of Testing Machines CE marking under the Pressure Equipment Directive (PED) 2014/68/EU for force sensors used in pressure systems

Quoted from the published standard.

Manufacturing Precision
  • Linearity: +/-0.1% of full scale output
  • Hysteresis: +/-0.05% of full scale output
Quality Inspection
  • Calibration verification against traceable reference standards
  • Environmental testing (temperature, humidity, vibration) per specified operating conditions

Manufacturers of Force Sensor

7 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.

ChengZhou Technology
Guangdong, CN
Listed on the company's own website · profile compiled by CNFX from public sources
HaiboSensor
Guangdong, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Hanwei Electronics Group Corporation
Beijing, CN
Also makes: Gas Panel, Flame Detector, Alarm System and 3 more
Listed on the company's own website · profile compiled by CNFX from public sources
Hefei Brans Measuring And Controlling Technology Co., Ltd.
Shanghai, CN
Also makes: Calibration Module
Listed on the company's own website · profile compiled by CNFX from public sources
Labirinth Microtest Electronics (Tianjin), Ltd.
Tianjin, CN
Listed on the company's own website · profile compiled by CNFX from public sources
ORR Sensor Co., Ltd.
Shanghai, CN
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.

Technical documentation
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Inspection readiness
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Frequently Asked Questions

What is the typical operating principle of a force sensor?

A force sensor typically uses strain gauges that deform under applied force, changing electrical resistance. This change is measured and converted into a proportional electrical signal, such as voltage or current, representing the force magnitude.

What are the key parameters to consider when selecting a force sensor?

Key parameters include rated capacity, accuracy class, nonlinearity, hysteresis, repeatability, excitation voltage, output sensitivity, input/output resistance, insulation resistance, operating and compensated temperature ranges, temperature effects, IP rating, material, and weight. These must be matched to the application requirements.

How does the force sensor contribute to seal quality in an automatic sealing mechanism?

The sensor detects and quantifies the applied force during sealing, ensuring that the pressure is maintained within the required range. This helps achieve consistent and reliable seal quality by preventing under- or over-pressurization.

What standards are relevant for force sensors?

Relevant standards include ISO 7500-1 for accuracy class, IEC 60255-5 for insulation resistance, IEC 60529 for IP rating, and ASTM A564 for material grade. These standards serve as references for verification and should be confirmed with the manufacturer.

Data Basis

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

Preliminary Technical Classification
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