In addition to metals, the QS3 can also accurately measure a range of homogeneous non-metallic materials, including plastics, ceramics, and glass. Its combination of portability, accuracy, data storage, and reporting capabilities makes it ideal for maintenance, quality control, manufacturing, and asset integrity applications.

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Key Features

• Non-destructive ultrasonic thickness measurement
• Measures wall thickness from one side only
• Ideal for monitoring corrosion, erosion, and wear
• Suitable for metallic and non-metallic materials
• Fast and accurate thickness readings
• Portable, lightweight, and easy to operate
• Internal memory stores up to 5,000 measurements
• Suitable for workshop, field, laboratory, and quality control applications
• USB data transfer capability on QS3 DL models
• Compatible with dmq DataCenter software for analysis and reporting

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Materials Measured

The QS3 is designed to measure the thickness of a wide range of homogeneous materials. Homogeneous materials have a consistent internal structure, allowing ultrasonic sound waves to travel at a predictable speed and ensuring accurate measurements.

Metals

• Carbon steel
• Stainless steel
• Aluminium
• Copper
• Brass
• Bronze
• Cast iron
• Engineering alloys

Non-Metallic Materials

• Plastics
• Ceramics
• Glass
• Other homogeneous materials with known sound velocities

This versatility makes the QS3 suitable for a wide range of industrial inspection and manufacturing applications.

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Advanced Data Logging and Reporting

Both QS3 models feature onboard memory capable of storing up to 5,000 thickness readings, allowing users to collect extensive inspection data directly in the instrument without manual recording.

QS3 DL Data Logger Model

The QS3 DL offers enhanced inspection management through USB connectivity and compatibility with dmq DataCenter software. Measurement data can be transferred directly to a PC for further analysis, reporting, and long-term record keeping.

Using dmq DataCenter software, users can:

• Download and organise inspection data
• Store historical thickness measurements
• Generate professional inspection reports
• Analyse wall-loss trends caused by corrosion and wear
• Compare current readings with previous inspections
• Export data for further analysis
• Maintain traceability and asset history records
• Support maintenance and compliance documentation

These features help improve data accuracy, reduce paperwork, and simplify asset integrity management programs.

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Typical Applications

Corrosion Monitoring

Measure remaining wall thickness in structures and equipment exposed to corrosion.

Pipe and Pipeline Inspection

Monitor wall loss caused by internal and external corrosion, erosion, and wear.

Storage Tanks

Assess tank wall condition and identify thinning in critical areas.

Pressure Vessels and Boilers

Verify wall thickness to support safe operation and maintenance planning.

Manufacturing & Quality Control

Confirm material thickness specifications during production and final inspection.

Maintenance & Asset Integrity Programs

Track thickness changes over time to support predictive and preventive maintenance strategies.

Plastics, Glass & Ceramics

Measure suitable non-metallic materials in industrial, manufacturing, and research environments.

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Key Benefits

• Fast and reliable thickness measurement
• Non-destructive testing from one accessible side
• Suitable for both metallic and non-metallic materials
• Designed for corrosion and wear monitoring applications
• Internal memory for up to 5,000 readings
• USB data transfer and software reporting with QS3 DL
• Improved inspection efficiency and traceability
• Reduced downtime and maintenance costs
• Supports long-term asset integrity management

The Demeq QS3 Ultrasonic Wall Thickness Gauge provides a comprehensive solution for thickness measurement, corrosion monitoring, quality assurance, and preventive maintenance. With its broad material compatibility, onboard data storage, and advanced reporting capabilities through dmq DataCenter software, the QS3 helps organisations make informed maintenance decisions while improving equipment reliability, safety, and operational efficiency.

Demeq Ultrasonic Wall Thickness Gauge Comparison

The QS5 is primarily used to detect corrosion, erosion, and wear in metal assets such as pipelines, pressure vessels, storage tanks, boilers, and structural components. Advanced models feature Multi-Echo technology, enabling accurate thru-paint measurements without the need to remove protective coatings, reducing inspection time and preserving asset integrity.

With a range of advanced inspection tools including real-time B-Scan imaging, statistical analysis, material condition analysis, and coupling quality monitoring, the QS5 provides inspectors with valuable information beyond simple thickness measurement, helping improve maintenance decisions and asset reliability.

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Key Features

• Advanced ultrasonic wall thickness measurement
• Designed for corrosion and wear monitoring
• Measures from one accessible side only
• Suitable for coated and uncoated metal surfaces
• Multi-Echo technology for thru-paint measurements (selected models)
• Real-time B-Scan graphical display
• Material Condition Analyser
• Coupling Energy Level Indicator
• Advanced statistical analysis functions
• Fast, accurate, and non-destructive testing
• Portable and rugged design for field inspections
• Data logging and PC connectivity on DL models
• Compatible with dmq DataCenter software

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Advanced Inspection Tools

Material Condition Analyser

The Material Condition Analyser helps inspectors assess the quality of the ultrasonic signal and identify potential changes in the material structure. This provides additional confidence in measurement reliability and assists in identifying areas that may require further investigation.

Coupling Energy Level Indicator

The coupling indicator continuously monitors the quality of contact between the transducer and the test surface. This helps users ensure optimum signal transmission and improves the accuracy and consistency of measurements.

Real-Time B-Scan Graphics

The QS5 features a real-time B-Scan display, providing a cross-sectional visual representation of thickness variations across a component.

Benefits include:

• Improved corrosion mapping
• Identification of localised thinning
• Detection of pitting and wear patterns
• Enhanced interpretation of inspection results
• Better assessment of asset condition

Statistical Analysis Functions

Built-in statistical tools help users evaluate inspection data more effectively by calculating:

• Average thickness
• Minimum and maximum readings
• Range of measurements
• Statistical variation
• Trend analysis

These functions help inspectors quickly identify areas of concern and assess overall component condition.

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Multi-Echo Thru-Paint Measurement

Selected QS5 models incorporate Multi-Echo technology, allowing measurements to be taken directly through paint and non-metallic coatings.

Benefits of Thru-Paint Measurement

• No coating removal required
• Faster inspection processes
• Reduced labour costs
• Preserves protective coatings
• Minimises equipment downtime
• Ideal for corrosion surveys and maintenance programs

This capability makes the QS5 particularly valuable for industries where coated assets require routine inspection.

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Data Logging and Reporting

QS5 DL Models

DL models allow inspection data to be stored directly in the instrument and transferred to a PC for further analysis and reporting using dmq DataCenter software.

dmq DataCenter Software Features

• Download and organise inspection data
• Store historical measurements
• Generate professional inspection reports
• Analyse corrosion and wear trends
• Compare current and previous inspections
• Export data for further analysis
• Maintain asset history and traceability records
• Support quality assurance and compliance requirements

These capabilities streamline inspection workflows and improve long-term asset management.

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Typical Applications

Corrosion Monitoring

Measure remaining wall thickness in assets exposed to corrosive environments and monitor deterioration over time.

Pipeline Inspection

Evaluate internal and external corrosion in pipelines and process piping systems.

Storage Tanks

Assess tank wall condition and identify thinning caused by corrosion or abrasion.

Pressure Vessels and Boilers

Verify wall thickness to support safe operation, maintenance planning, and regulatory compliance.

Oil & Gas Industry

Inspect critical infrastructure without removing protective coatings.

Manufacturing and Quality Control

Confirm material thickness and product integrity during production and final inspection.

Power Generation and Heavy Industry

Monitor condition of high-value assets exposed to wear, erosion, and extreme operating conditions.

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Key Benefits

• Fast and non-destructive wall thickness measurement
• Accurate corrosion and wear monitoring
• Thru-paint inspection capability on Multi-Echo models
• Real-time B-Scan imaging for enhanced analysis
• Advanced statistical and condition analysis tools
• Improved inspection efficiency and reliability
• Reduced coating removal and preparation time
• Data logging and comprehensive reporting capabilities
• Supports predictive maintenance and asset integrity programs

The Demeq QS5 Ultrasonic Wall Thickness Gauge combines advanced measurement technology, real-time inspection tools, and powerful data management capabilities to provide a complete solution for corrosion monitoring, wall thickness measurement, and asset integrity management across a wide range of industrial applications.

Demeq Ultrasonic Wall Thickness Gauge Comparison

The instruments are suitable for measuring a wide variety of protective, decorative, and industrial coatings, including paints, powder coatings, varnishes, lacquers, galvanising, and metallic platings. Available with either integrated probes or external probes, the QC Series offers flexibility to suit different inspection environments and component geometries.

All models include built-in memory for storing measurement data, improving inspection efficiency and traceability.

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Key Features

• Fast and accurate dry coating thickness measurement
• Non-destructive testing method
• Suitable for ferrous and non-ferrous substrates
• Measures a wide range of coatings and platings
• Portable, lightweight, and easy to operate
• Internal memory for storing measurements
• Available with integrated or external probe configurations
• High repeatability and measurement reliability
• Ideal for field, workshop, laboratory, and quality control applications

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Coatings Measured

The QC Series is designed to measure a broad range of coating and surface treatment types commonly used for corrosion protection, decoration, and quality finishing.

Organic and Protective Coatings

• Paint
• Powder coatings
• Epoxy coatings
• Polyurethane coatings
• Varnish
• Lacquer
• Enamel
• Plastic coatings
• Protective anti-corrosion coatings
• Industrial coating systems
• Marine coatings
• Surface protection coatings

Metallic Coatings and Platings

• Zinc plating
• Nickel plating
• Chrome plating
• Galvanised coatings
• Electroless nickel coatings
• Metallic surface treatments
• Decorative and functional platings

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Substrate Materials

The QC Series can measure coatings applied to a variety of metallic substrates.

Ferrous Substrates

• Carbon steel
• Mild steel
• Structural steel
• Cast iron

Non-Ferrous Substrates

• Aluminium
• Copper
• Brass
• Bronze
• Stainless steel
• Other non-ferrous alloys

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Probe Configurations

Integrated Probe Models

Integrated probe models combine the gauge and sensor into a compact handheld instrument, making them ideal for:

• General inspections
• Routine quality control
• Production environments
• Portable field use

External Probe Models

Separate probe models provide additional flexibility when measuring:

• Large structures
• Tanks and pressure vessels
• Pipes and tubing
• Complex shapes and curved surfaces
• Difficult-to-access locations

This allows users to select the most suitable instrument configuration for their specific inspection requirements.

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Internal Memory and Data Storage

All QC Series instruments feature onboard memory for storing measurement results directly within the gauge.

Benefits of Data Storage

• Eliminates manual record keeping
• Reduces transcription errors
• Improves productivity during inspections
• Supports quality assurance programs
• Provides measurement traceability
• Simplifies inspection reporting and documentation

Stored measurement data can be reviewed and incorporated into inspection records and quality control reports.

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Typical Applications

Paint Inspection

Verify paint thickness on manufactured products, steel structures, machinery, vehicles, and fabricated components.

Powder Coating Control

Ensure powder coating thickness meets product specifications and industry standards.

Corrosion Protection Verification

Measure protective coatings applied to pipelines, storage tanks, structural steel, and industrial equipment.

Galvanising and Plating Inspection

Confirm the thickness of galvanised, zinc, nickel, and chrome coatings for quality assurance and compliance.

Automotive Industry

Inspect paint and coating thickness on vehicle bodies, panels, and components.

Manufacturing and Production Quality Control

Verify coating processes and maintain product consistency throughout production.

Maintenance and Asset Management

Monitor coating systems and assess protective coating condition during maintenance programs.

Industrial Applications

Suitable for industries including:

• Manufacturing
• Mining
• Oil & Gas
• Marine
• Construction
• Power Generation
• Engineering and Fabrication

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Key Benefits

• Accurate and repeatable coating thickness measurements
• Suitable for both ferrous and non-ferrous substrates
• Measures a wide range of organic and metallic coatings
• Portable for workshop and field inspections
• Flexible integrated and external probe options
• Built-in memory for efficient data collection
• Improves quality control and compliance verification
• Reduces inspection time and paperwork
• Supports corrosion prevention and asset protection programs

The Demeq QC Series Dry Coating Thickness Gauges provide a practical and dependable solution for coating thickness inspection across a wide range of industries. Combining measurement accuracy, portability, flexible probe options, and onboard data storage, the QC Series helps users maintain coating quality, verify compliance, and protect valuable assets from corrosion and premature wear.

Capable of measuring material thicknesses up to 22 mm, the instruments are widely used in manufacturing, quality control, and product development environments where accurate wall thickness verification is critical.

A particularly common application is within the blow moulding industry, where Hall Effect technology is used to measure the wall thickness of plastic bottles, containers, and other hollow moulded products without damaging the finished item.

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Key Features

• High-precision Hall Effect thickness measurement
• Measures non-ferrous and non-magnetic materials
• Thickness measurement range up to 22 mm
• Fast and easy operation
• Non-destructive testing method
• Suitable for quality control and manufacturing applications
• Internal memory for storing up to 32,000 measurements
• USB and Bluetooth data transfer capabilities
• Compatible with PC-based data management and reporting systems
• Portable design for workshop, laboratory, and production environments

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How Hall Effect Thickness Measurement Works

Hall Effect thickness gauges use a small magnetic target placed on one side of the material while the probe is positioned on the opposite side. The instrument accurately measures the distance between the probe and the magnetic target, providing a precise measurement of material thickness.

This method is particularly effective for measuring materials that are not suitable for conventional ultrasonic thickness measurement techniques and is widely used on finished products where maintaining product integrity is essential.

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Materials Measured

The Demeq Hall Effect Thickness Gauges are designed for measuring a variety of non-ferrous and non-magnetic materials, including:

• Plastic bottles
• Plastic containers
• Blow-moulded products
• Plastic tanks
• Rubber products
• Glass components
• Composite materials
• Non-metallic manufactured products

The gauges are particularly valuable when measuring thin-walled products with complex shapes that can be difficult to inspect using other methods.

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Data Storage and Connectivity

The instrument features a large internal memory capable of storing up to 32,000 measurement readings, allowing extensive inspection data to be collected without manual recording.

Data Management Features

• Store up to 32,000 measurements
• Transfer data via USB
• Wireless data transfer via Bluetooth
• Maintain inspection records and traceability
• Simplify reporting and quality documentation
• Export measurement data for further analysis

These capabilities help improve productivity, reduce transcription errors, and support quality assurance programs.

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Typical Applications

Blow Moulding Industry

Measure wall thickness in:

• Plastic bottles
• Beverage containers
• Chemical containers
• Pharmaceutical packaging
• Industrial plastic containers

Plastics Manufacturing

Verify wall thickness consistency during production and quality control processes.

Product Development

Evaluate material distribution and optimise product designs for performance and material efficiency.

Quality Assurance

Confirm compliance with product specifications and manufacturing requirements.

Packaging Industry

Monitor wall thickness uniformity to ensure product consistency and durability.

Research and Testing

Assess prototype products and perform material studies during development projects.

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Key Benefits

• Accurate measurement of non-ferrous and non-magnetic materials
• Non-destructive testing of finished products
• Ideal for blow-moulded plastic containers and components
• Measures complex shapes and curved surfaces
• Large onboard memory for extensive inspections
• USB and Bluetooth connectivity for efficient data transfer
• Improved quality control and process monitoring
• Reduced inspection time and manual record keeping
• Supports product consistency and manufacturing efficiency

The Demeq Hall Effect Thickness Gauges provide an accurate and efficient solution for measuring the thickness of non-ferrous and non-magnetic materials. With their high measurement precision, large data storage capacity, and advanced connectivity options, they are particularly well suited to the blow moulding, plastics manufacturing, packaging, and quality control industries.