Electric Thickness Tester

The electrical thickness gauge calculates thickness by generating changes in electrical signals through contact of the probe with the material surface, utilizing the principles of eddy current or electromagnetic induction. It is used to measure the thickness of coatings or substrates of non-magnetic materials such as metals and plastics. In quality inspection, it checks the uniformity of product coatings.

Instruments

Automatic test with microcomputer control, contact pressure 100 +/- 10kPa, contact area 200 +/- 5mm ², Measurement accuracy up to 0.001mm, suitable for continuous and accurate Film thickness determination.

$ 908.00

Measurement range 0-4mm, resolution 0.001mm, contact pressure 100 +/- 10kPa, contact area 2 +/- 0.05cm ², automatic reciprocating motion to complete thickness measurement.

$ 843.00

Adopt electric push Rod to drive Spreader movement, adjustable speed range of 2-200mm/s, temperature accuracy +/- 3 ℃, support Vacuum chuck and electric heating function, improve Spreader uniformity and operation convenience.

$ 2494.00

Adopt all-electric control without external air source, Spreader thickness range 0.01mm to 2mm, Spreader speed 2-4.5 m/min adjustable, with quick-release plastic groove and precision tension control, suitable for paper, film and other substrates.

$ 9433.00

With a 45 ° test angle and an adjustable speed of 5mm/sec, equipped with a 500g weight and a standard pencil set, stable and low-noise electric control is achieved through a stepper motor.

$ 477.00

Rotation speed of 10000rpm is achieved by using 750W three-phase asynchronous motor, and the electric lifting platform supports 300mm Travel, which can handle 10L materials and work continuously for a long time.

$ 1284.00

Adopt oblique block to adjust the gap, good self-cumbersome and high adjustment accuracy; Roller cylindricity ≤ +/- 2um, Hardness up to HRC62 and hard chrome plating to prevent rust; Electric rolling can be reversed, and the film thickness and speed can be adjusted.

$ 2252.00

Mirror stainless steel liner and electric heating film heating, Temperature Uniformity +/- 1 ℃, heating speed, double-decked door design to reduce heat loss, four corners arc easy to clean.

$ 601.00

Using 4000W three-phase asynchronous motor, Speed range 0-2800rpm, equipped with a variety of stator heads to adapt to different material viscosity, electric lift Travel up to 700mm, support long-term operation with low temperature rise.

$ 3059.00

Rotation speed 3000rpm, maximum linear speed 33m/s, high dispersion efficiency, strong material shear force, the formation of uniform suspension effect, safe and convenient operation, electric lifting fast fixed sealing barrel.

$ 2676.00

Adopt electric lifting system and frequency conversion speed regulation technology, Speed range 60~ 6900rpm, Power 1100W, equipped with dispersed impeller and sand grinding blades, can adapt to different impeller diaMeters, support chilling down water circulation temperature control.

$ 846.00

Electric Pump with double oil path plunger, high voltage 63MPa, Measurement accuracy +/- 1.5%, Peak hold and Data storage function, Hollow structure is convenient for anchor cable detection and operation.

$ 2234.00

Mirror stainless steel liner and diagonal air duct structure, Temperature Uniformity up to +/- 1 ℃, electric heating film heating rapid heating, double-decked door design to reduce heat loss, independent temperature limit alarm to ensure experimental safety.

$ 509.00

Electric lifting design is light and convenient, the highest Rotation speed 3000rpm, linear speed of 33m/s, double-end sealing structure to ensure vacuum sealing defoaming, suitable for viscosity ≤ 25000cps materials.

$ 2883.00

Using fuzzy PID controller to achieve accurate temperature control, Temperature Fluctuation +/- 0.5 ℃; Forced convection air duct system to improve Temperature uniformity; Mirror stainless steel liner with electric heating film heating, rapid and uniform heating; Independent temperature limit alarm to ensure experimental safety.

$ 992.00

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.