Editorial Technical Reference

Sensor/Transducer

This page explains how Sensor/Transducer 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 device that detects and converts flow-related physical properties into measurable electrical signals within a flow meter system.

Product Specifications

Technical details and manufacturing context for Sensor/Transducer

Definition
In flow meters, the sensor/transducer is the critical component responsible for detecting flow characteristics (such as velocity, pressure differential, or volumetric displacement) and converting these physical measurements into standardized electrical signals (e.g. 4-20mA, 0-10V, or digital protocols) that can be interpreted by control systems, displays, or data loggers for flow monitoring, control, and recording. This component is designed for use in machinery and equipment manufacturing, specifically as a part of flow measurement systems. It operates by interacting with the flowing medium to measure a specific property, with common principles including electromagnetic induction (Faraday's Law) for conductive liquids, ultrasonic time-of-flight or Doppler shift for various fluids, thermal dispersion for gas flow, or mechanical displacement (turbine, piston) that generates electrical pulses via magnetic or optical sensing. The transducer then conditions and amplifies this raw signal into a standardized output. Typical parameters for this component include a measuring range of 0.1–10 m/s for liquid flow velocity in pipes, accuracy of ±0.5% of reading (per ISO 11631), repeatability of ±0.1% of reading, output signal of 4–20 mA (per IEC 60381-1), supply voltage of 24 ±10% V DC, operating temperature of -40–85°C (per IEC 60721-3-1), operating pressure of 1.0–1.6 MPa, ingress protection of IP54–IP65 (per IEC 60529), process connection of DN15–DN300 (per ISO 7005-1), sensor material of 316L stainless steel (per ASTM A240), and weight of 0.5–2.5 kg. Materials on file include stainless steel (316L/304), PTFE/Teflon, ceramic (alumina), epoxy resin, and silicon. These values are directory reference ranges and must be confirmed for the actual model and application. Always verify model-specific values and standards with the legal manufacturer or supplier.
Working Principle
The sensor/transducer operates by interacting with the flowing medium to measure a specific property. Common principles include electromagnetic induction (Faraday's Law) for conductive liquids, ultrasonic time-of-flight or Doppler shift for various fluids, thermal dispersion for gas flow, or mechanical displacement (turbine, piston) that generates electrical pulses via magnetic or optical sensing. The transducer then conditions and amplifies this raw signal into a standardized output.
Common Materials
Stainless Steel (316L/304), PTFE/Teflon, Ceramic (Alumina), Epoxy Resin, Silicon
Technical Parameters
ParameterTypical rangeNotes & selection driver
Measuring Range0.1–10 m/sFor liquid flow velocity in pipes
Accuracy±0.5 % of readingTypical for electromagnetic sensorsISO 11631
Repeatability±0.1 % of readingEnsures consistent measurements
Output Signal4–20 mAAnalog current loopIEC 60381-1
Supply Voltage24 ±10% V DCStandard industrial supply
Operating Temperature-40–85 °CFor electronics; sensor head may varyIEC 60721-3-1
Ingress ProtectionIP54–IP65Higher IP for outdoor or washdownIEC 60529
Process ConnectionDN15–DN300 mmFlange or threaded optionsISO 7005-1
Sensor Material316L SSCorrosion-resistant stainless steelASTM A240
Weight0.5–2.5 kgDepends on size and material

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
  • Sensing Element Part
    Directly interacts with the flow (e.g., electrode, ultrasonic crystal, thermistor, turbine blade) to generate a primary signal.
    Material: Stainless Steel, Platinum, Piezoelectric Crystal
  • Signal Conditioning Circuit
    Amplifies, filters, linearizes, and converts the raw signal from the sensing element into a stable, standardized output.
    Material: PCB, Epoxy, Silicon (Integrated Circuit)
  • Housing/Body Part
    Provides mechanical protection, process sealing, and mounting interface for the internal components.
    Material: Stainless Steel, Brass, PVDF

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 100 bar
flow rate: 0.1 to 100 m/s
temperature: -40°C to 150°C
slurry concentration: Up to 30% solids by volume
Media Compatibility
✓ Water and aqueous solutions ✓ Petroleum-based fluids ✓ Compressed air/gases
Unsuitable: Concentrated acids or highly corrosive chemicals
Sizing Data Required
  • Pipe diameter or flow channel dimensions
  • Required measurement accuracy (±%)
  • Process fluid viscosity and density

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Drift or Inaccuracy
Cause: Environmental exposure (temperature extremes, humidity, corrosive atmospheres) causing component degradation, or mechanical stress from vibration/overpressure leading to calibration shift.
Signal Loss or Intermittent Output
Cause: Electrical connection failures (corroded terminals, loose wiring, damaged cables) or internal electronic component failure (e.g., from power surges, moisture ingress, or aging).
Maintenance Indicators
  • Erratic or unstable readings (e.g., fluctuating values when process is steady)
  • Complete loss of signal output or constant out-of-range values (e.g., max/min reading)
Engineering Tips
  • Implement regular calibration and verification schedules based on manufacturer specs and environmental severity, using traceable standards.
  • Ensure proper installation with environmental protection (e.g., enclosures for harsh conditions, vibration dampening, correct wiring practices) and routine inspection of connections/cabling.

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
IEC 60751:2008 - Industrial platinum resistance thermometers and platinum temperature sensors EN 60529:1991 - Degrees of protection provided by enclosures (IP Code)

Quoted from the published standard.

Manufacturing Precision
  • Output accuracy: +/-0.5% of full scale
  • Temperature drift: +/-0.02% per °C
Quality Inspection
  • Calibration verification against traceable standards
  • Environmental testing (temperature, humidity, vibration)

Manufacturers of Sensor/Transducer

2 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.

Hangzhou Freqcontrol Electronic Technology Ltd.
Hangzhou, Zhejiang, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “Sensor Transducer”
View source page ↗ csimc-freqcontrol.com · checked 2026-09-04
Xiamen Kuanyi Electronic Technology Co., Ltd.
Fujian, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “Sensor Transducer”
View source page ↗ kuanyi.com · checked 2026-08-22

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 typical output signals for this sensor/transducer?

The typical output signal is a 4-20 mA analog current loop, as per IEC 60381-1. Other outputs may be available depending on the model, but this is the standard reference.

What is the operating temperature range?

The operating temperature range for the electronics is -40 to 85°C, as per IEC 60721-3-1. The sensor head may have a different range, so verify with the manufacturer.

What materials are used in construction?

Materials on file include stainless steel (316L/304), PTFE/Teflon, ceramic (alumina), epoxy resin, and silicon. The sensor material is typically 316L stainless steel, but confirm for your application.

How should I verify the accuracy and standards for my application?

The listed accuracy is ±0.5% of reading per ISO 11631, but this is a reference. Always check the specific model's datasheet and confirm compliance with relevant standards with the legal manufacturer or supplier.

Data Basis

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

Preliminary Technical Classification
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