Curved-Surface Ultrasonic Thickness Gauge

The curved surface ultrasonic thickness gauge utilizes the reflection principle of ultrasonic waves propagating through materials, transmitting and receiving acoustic signals via a probe to measure the wall thickness of curved objects. It is used to detect thickness variations in curved surfaces such as pipes and containers, and is applied in industrial maintenance and quality control.
Selection
When selecting a curved surface ultrasonic thickness gauge, consider the type of material being measured and the radius of curvature to ensure the probe matches the shape of the curved surface. Pay attention to the measurement range and accuracy requirements, and choose a probe with an appropriate frequency. Check the instrument's portability, battery life, and calibration functions to adapt to the on-site usage environment.

Terms

Standards

Instruments

Using 2.0MHz Frequency, specially designed for cast iron and other coarse crystal materials, concave curved surface structure is suitable for special workpiece shape, Measurement range covers 2.0~ 400.0mm, and the lower limit of pipe measurement is Φ 30 * 4mm.

$ 283.00

The support ring contains 12 different models, covering the R10 to infinity surface range, suitable for inner and outer cylindrical and spherical surface measurement, ensuring the accuracy and Stability of surface hardness testing.

$ 251.00

Frequency 10MHz, Measurement range 0.65~ 20mm, suitable for thin-walled and small curved surface workpieces, the lower limit of pipe measurement Φ 10 * 1.0mm.

$ 332.00

Measurement range 1~ 200mm, resolution 0.01mm, using ultrasonic technology to accurately measure material thickness, adapt to different Frequency Probe, can measure serious corrosion surface and paint surface.

$ 396.00

Using the principle of ultrasonic thickness measurement, Display resolution up to 0.01mm, with Probe zero point Adjustment, support Data storage and backlight display, can be used in dark environment.

$ 248.00

Measurement principle using ultrasonic, Measurement range 50~ 3800μm, accuracy +/- (2μm + 3%), suitable for concrete and fiberglass substrate Coating thickness detection.

$ 2939.00

Using 7.5MHz High Frequency Probe, Measurement range 0.7~ 50mm, suitable for thin-walled and small arc surface workpieces, the lower limit of pipe measurement is Φ 25 * 1.2mm, strong adaptability.

$ 251.00

Measurement principle using ultrasonic, Measurement range 13~ 1000μm, accuracy +/- (2μm + 3%), suitable for wood, plastic and other substrates polymer Coating thickness detection.

$ 2652.00

Measurement range 0-500μm, Accuracy 0.7μm + 1%, support for calibrated measurement and online statistics, suitable for a variety of curved and complex surfaces.

$ 2140.00

Using Ultrasonic Sensor Technology, Measurement range 1~ 200mm, resolution 0.1mm, with Strong Transmitting Power and Broadband Receiving Sensitivity, suitable for rough surface and paint measurement.

$ 356.00

Measurement range of 1.5~ 200mm, error +/- (0.5% H + 0.2) mm, suitable for rough surface and paint measurement, support a variety of material thickness detection.

$ 243.00

Using ultrasonic technology implementation nondestructive measurement, Measurement range 13~ 1000μm, accuracy +/- 3%, support multi-coating system analysis, with weatherproof protection and a variety of data transmission methods.

$ 2855.00

The three-wheel structure design is adopted, and the center wheel contacts the film directly for reading. The measuring range is 0-500 μm and the indexing is 25 μm. It can perform nondestructive thickness measurement on plane and curved surface.

$ 186.00

Using ultrasonic measurement technology, Measurement range 0.75~ 300mm, error +/- (1% H + 0.1) mm, support single point and scan mode, with Automatic calibration and sound speed reverse measurement function, suitable for harsh environment.

$ 315.00

Using high-speed processor and high-frequency single crystal Probe, the range is 40-1200 μm, the display accuracy is 1 μm, and the automatic identification of delamination measurement is supported.

$ 1284.00

Articles

Ultrasonic Thickness Gauge Selection: Technical Considerations for Probe Configuration and Measurement Modes
This article primarily introduces the technical factors to consider when selecting an ultrasonic thickness gauge. In terms of probe configuration, the frequency affects both resolution and penetration depth, while crystal size determines adaptability to curvature and surface conditions. Dual-element probes offer a smaller dead zone compared to single-element probes, and delay-line probes are suitable for thin-wall and high-temperature applications.
Mechanical thickness gauge for measuring film thickness uniformity.
The mechanical thickness gauge assesses the uniformity of film thickness through contact measurement. During measurement, the probe contacts the sample under standard pressure, converting displacement into a thickness reading.
Selection of Coating Thickness Gauges Using Magnetic and Eddy Current Methods on Different Substrates
This article introduces two main methods for coating thickness gauges: the magnetic method and the eddy current method. When choosing a method, the key is to determine it based on the electromagnetic properties of the substrate.
Application of Coating Thickness Gauges in Electroplating Thickness Detection
Coating thickness gauges are used to measure the thickness of electroplated layers, primarily employing the electromagnetic induction method for measuring non-magnetic coatings on magnetic substrates, or the eddy current method for measuring insulating coatings on non-magnetic metal substrates.
Coulometric thickness gauge measures the sealing quality of anodic oxide films.
This article introduces a method for assessing the sealing quality of anodic oxide films using a coulometric thickness tester. The sealing quality affects the corrosion resistance and wear resistance of the oxide film. Based on electrochemical principles, the coulometric thickness tester evaluates the sealing effectiveness by measuring the electric charge required to dissolve the oxide film, providing objective and repeatable results.
Ultrasonic thickness gauge for detecting thick coatings and composite coatings.
Ultrasonic thickness gauges measure coating thickness using the principle of ultrasonic pulse reflection, calculating the result based on the propagation time of sound waves in the material and the speed of sound. When detecting thick coatings and composite coatings, challenges such as acoustic attenuation of the material, unknown sound speed, and signal recognition at multi-layer interfaces must be addressed.
Eddy current thickness gauge measures metal coatings on non-conductive substrates.
The eddy current thickness gauge utilizes the principle of electromagnetic induction, generating an alternating magnetic field through the probe coil to induce eddy currents in the metal coating, thereby measuring thickness based on changes in coil impedance.
Coulometric Method Coating Thickness Gauge for Non-Destructive Measurement of Precious Metal Coatings
The coulometric coating thickness gauge measures the thickness by calculating the amount of electricity required to dissolve the precious metal coating through the principle of electrolytic dissolution. This method is non-destructive to the overall sample, only forming tiny electrolytic spots.
Comparison of Dual-Principle Instruments: Magnetic Induction vs. Eddy Current for Coating Thickness Measurement
This article compares the principles of two coating thickness gauges. The choice of method depends on the substrate material: magnetic induction is used for magnetic metals, while eddy current is applied for non-magnetic metals.
Application of Electrolytic Thickness Tester in Quality Control of Precision Electroplating Layers
The electrolytic thickness gauge measures coating thickness through the principle of electrochemical dissolution, calculating based on Faraday's law, offering high accuracy and independence from calibration.
Ultrasonic Thickness Gauge Measures the Thickness of Flexible Packaging Materials
This article introduces the principles, technical points, and operational procedures for measuring the thickness of flexible packaging materials using an ultrasonic thickness gauge. It is based on the principle of ultrasonic pulse reflection, which calculates thickness by measuring the propagation time of sound waves through the material.
Eddy current thickness gauge detects coatings on non-ferrous metals.
The eddy current thickness gauge operates on the principle of electromagnetic induction, generating an alternating magnetic field through the probe coil, which induces eddy currents on the surface of non-ferrous metal substrates.
Magnetic thickness gauge measures the thickness of coatings on steel surfaces.
Magnetic thickness gauges are used to measure the thickness of non-magnetic coatings on ferromagnetic substrates such as steel, based on the principles of magnetic induction or changes in magnetic attraction. Prior to use, calibration should be performed according to relevant standards, and attention should be paid to factors such as substrate characteristics, workpiece shape, and surface conditions that may affect the measurements.
The principle of measuring dry film thickness with a coating thickness gauge
Coating thickness gauges measure dry film thickness through non-destructive methods, with commonly used principles including electromagnetic induction, eddy current, and ultrasonic methods.
Standard Operating Procedure for Zero Calibration and Substrate Calibration of Coating Thickness Gauges
This article introduces two key calibration methods for coating thickness gauges: zero-point calibration and substrate calibration. During operation, it is important to ensure that the probe is perpendicular, pressure is applied evenly, and regular calibration and recording are maintained. These steps effectively enhance measurement accuracy and meet industry standard requirements.