Editorial Technical Reference

Pressure Sensor

This page explains how Pressure 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 device that measures fluid pressure within a pumping system and converts it into an electrical signal.

Representative product image. Confirm appearance and specifications with the manufacturer.

Product Specifications

Technical details and manufacturing context for Pressure Sensor

Definition
A pressure sensor is a critical component in pumping systems that monitors and measures the pressure of liquids or gases being pumped. It provides real-time feedback to control systems, ensuring optimal pump operation, preventing overpressure conditions, and maintaining system efficiency and safety. The sensor typically employs a diaphragm that deforms under applied pressure. This deformation is detected using technologies such as strain gauges, piezoelectric elements, or capacitive sensing, which convert the mechanical deformation into an electrical signal proportional to the pressure. Common materials for the sensing element and housing include stainless steel, ceramic, and silicon, chosen for their durability and compatibility with various media. The pressure measurement range is specified in bar, and the exact range must be confirmed for the specific model and application. This sensor is a component intended for integration into pumping systems; it is not a standalone instrument. When selecting a pressure sensor, verify the pressure range, media compatibility, electrical output, and process connection with the manufacturer. Regular calibration and inspection are recommended to ensure accurate readings. If the sensor shows erratic readings, drift, or no output, it may indicate a need for recalibration or replacement. The sensor is not designed to withstand pressures beyond its rated range; exceeding this limit can cause permanent damage. Always consult the manufacturer's documentation for installation, maintenance, and safety guidelines. For procurement, confirm that the sensor meets any applicable standards and specifications for your system.
Working Principle
Pressure sensors typically use a diaphragm that deforms under applied pressure. This deformation is measured using various technologies such as strain gauges, piezoelectric elements, or capacitive sensing, which convert the mechanical deformation into an electrical signal proportional to the pressure.
Common Materials
Stainless Steel, Ceramic, Silicon
Technical Parameters

What to specify in your RFQ

  • Pressure measurement range in bar

These are the quantities to specify to the manufacturer when sizing or requesting a quote. The manufacturer's own documentation governs the exact figures and applicable standard.

Components / BOM
  • Diaphragm Part
    Mechanical element that deforms under pressure
    Material: Stainless Steel
  • Sensing Element Part
    Converts diaphragm deformation into electrical signal
    Material: Silicon
  • Housing Part
    Protects internal components from environmental factors
    Material: Stainless Steel
  • Electrical Connector Part
    Provides interface for signal output and power supply
    Material: Plastic/Stainless Steel

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 (0 to 69 bar)
other spec: Flow Rate: 0-20 GPM, Slurry Concentration: <5% solids by weight
temperature: -40°C to 125°C
Media Compatibility
✓ Water ✓ Hydraulic Oil (ISO VG 46) ✓ Compressed Air
Unsuitable: Corrosive acids (e.g., sulfuric acid) due to material degradation
Sizing Data Required
  • Maximum Operating Pressure
  • Process Media Type
  • Required Output Signal (e.g., 4-20mA, 0-10V)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Drift and Inaccuracy
Cause: Sensor diaphragm fatigue or contamination from process media, leading to calibration loss and inaccurate pressure readings.
Electrical Failure
Cause: Moisture ingress or corrosive atmosphere damaging internal electronics, wiring, or connections, causing signal loss or erratic output.
Maintenance Indicators
  • Erratic or fluctuating readings on the control system display despite stable process conditions.
  • Visible physical damage, corrosion, or fluid leaks around the sensor housing or connection points.
Engineering Tips
  • Implement regular calibration checks using a certified pressure standard to detect and correct drift early.
  • Ensure proper sealing, use protective enclosures or purging systems in harsh environments, and verify electrical connections are secure and corrosion-free.

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 16063-21:2021 - Methods for the calibration of vibration and shock transducers ANSI/ISA 37.12.01-2009 - Specifications and Tests for Piezoresistive Pressure Transducers DIN EN 60770-1:2011 - Transmitters for use in industrial-process control systems

Quoted from the published standard.

Manufacturing Precision
  • Pressure Range Accuracy: +/-0.25% of full scale
  • Temperature Drift: +/-0.02% per °C over operating range
Quality Inspection
  • Pressure Calibration Test against traceable standards
  • Environmental Stress Screening (ESS) including thermal cycling and vibration

Manufacturers of Pressure Sensor

Manufacturer profiles associated with Pressure Sensor.

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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
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Frequently Asked Questions

What is the typical pressure range for this sensor?

The pressure measurement range is specified in bar, but the exact range depends on the specific model and application. Always confirm the range with the manufacturer or supplier before selection.

What materials are used in the sensor construction?

Common materials include stainless steel, ceramic, and silicon. These are selected for durability and compatibility with various media, but the specific material for your application should be verified.

How does the sensor convert pressure into an electrical signal?

The sensor uses a diaphragm that deforms under pressure. This deformation is detected via strain gauges, piezoelectric elements, or capacitive sensing, which produce an electrical signal proportional to the pressure.

What maintenance is required for this sensor?

Regular calibration and inspection are recommended to ensure accurate readings. If you notice erratic readings, drift, or no output, the sensor may need recalibration or replacement. Always follow the manufacturer's guidelines.

Data Basis

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

Preliminary Technical Classification
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