Coil Thickness Meter

The coil thickness gauge measures material thickness using contact or non-contact sensors, based on principles such as electromagnetic induction, ultrasonic waves, or laser reflection. It is used to monitor thickness uniformity during coil production and applied in quality control of continuous materials such as metals, plastics, and paper.

Instruments

Multi-coil structure design, protective layer thickness Measurement range 1-185mm, accuracy +/- 1mm, with four scanning modes and ultra-dense rib resolution, support one-hand grip operation.

$ 904.00

Multi-coil structure design, protective layer thickness Measurement range 1-185mm, accuracy +/- 1mm, with four scanning modes and ultra-dense rib resolution, support one-hand grip operation.

$ 1054.00

Adopt double roller painting film structure, thickness adjustment range 0.001-2mm, Spreader accuracy +/- 5%, equipped with automatic deviation correction device and digital dial Meter, coating speed 0-20m/min adjustable, drying tunnel temperature up to 150 ℃.

$ 32347.00

The DL Impact device is suitable for small space testing, dual coil technology ensures good Repeatability and accuracy, Measurement accuracy +/- 12HL, built-in Direction Sensor automatically compensates for measurement errors.

$ 428.00

The integrated structure is compact and portable, and the dual-coil technology is used to ensure good Repeatability and Measurement accuracy. The built-in Direction Sensor automatically compensates for errors, and supports a variety of Hardness standard conversions.

$ 180.00

Using split design, the probe and the host are connected by aviation plug, equipped with digital dual coil probe technology, Measurement accuracy can reach +/- 6HL, support a variety of Hardness standard automatic conversion, with 360 ° direction automatic compensation function.

$ 335.00

The C-type Impact device has a small impact force and is suitable for surface hardening and thin-walled component testing; dual coil technology ensures +/- 6HL typical accuracy; built-in directional Sensor automatically compensates for errors; supports 5 Hardness standard conversions.

$ 180.00

Measurement accuracy up to +/- 6HL with digital dual coil probe technology, support for a variety of Hardness standard automatic conversion, with 360 ° direction automatic compensation function, can be adapted to four different Impact devices to meet diverse measurement needs.

$ 958.00

Split design with four Impact devices, digital dual coil probe technology to ensure +/- 6HL Measurement accuracy, automatic direction compensation to achieve 360 ° measurement, support a variety of Hardness standard automatic conversion, to meet different detection needs.

$ 335.00

The equipment adopts the immersion coating method, the effective application width is 500mm, the mechanical speed is adjustable 1.2m/min, and it is equipped with Air-Cooled system and cross-cutting device to ensure efficient and uniform coil processing.

$ 29120.00

Split design can be matched with a variety of Impact devices, using digital dual coil probe technology, Measurement accuracy of +/- 6HL, support 360 ° automatic direction compensation, built-in a variety of Hardness standard automatic conversion, with statistical and QC two Measurement modes.

$ 574.00

The use of Bath coating method, effective application width 500mm, mechanical speed 1.2m/min adjustable, external infrared heating temperature control 50-150 ℃, Air-Cooled system to ensure efficient cooling down and coil mass.

$ 40415.00

The application width is adjustable from 100-400mm, the thickness range is 0.005-3mm, the rubber roller is heated to 200 ° C, and the drying temperature reaches 200 ° C to realize the continuous roll-to-roll film.

$ 14597.00

Adopting adjustable Blade Coating, thickness range 0.005-2mm, accuracy +/- 5%, equipped with oil temperature heating system and automatic deviation correction device to achieve stable and uniform Spreader effect.

$ 40415.00

Using the immersion coating method, Spreader thickness 0.3-10 mm adjustable, mechanical speed 1.2m/min, built-in glue circulation system to ensure uniform and stable Spreader.

$ 32347.00

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.