Portable Yoke-Type Magnetic Inspection Unit

Portable magnetic flaw detectors are used to detect defects such as surface or near-surface cracks in workpieces by magnetizing the surface of ferromagnetic materials, applying magnetic powder, and observing the distribution of magnetic traces. They are employed for on-site quality inspection of metal components and are suitable for rapid non-destructive testing of welded parts, castings, forgings, and more.

Instruments

Adopt thyristor touchpoint switch, low noise and long life. Electromagnetic yoke pole spacing 0-250mm, lifting force greater than 5kg, support living joint adjustment, suitable for plane curved surface and complex shape workpiece detection.

$ 570.00

Adopt magnetic yoke structure, lifting force up to 7.1kg, pole distance adjustable 0-220mm, Sensitivity to meet A1 test piece display requirements, suitable for welding and Pressure Vessel internal work.

$ 396.00

Portable design, compact size, accuracy of +/- 1%, with peak hold and real-time load switching function, dual unit display without conversion, Maximum Measured value 50kg.

$ 136.00

Maximum Measured value 20kg, Indication Error +/- 1%, with peak hold and real-time load switching function, support dual unit display without conversion, compact, portable and easy to operate.

$ 136.00

Dial indicator reading accuracy, with peak holding and real-time load measurement switching function, the maximum Measured value 30kg, Indication Error +/- 1%, compact and portable and easy to operate.

$ 136.00

Hall Sensor measurement of DC and AC magnetic fields, with 0-2000mT range and peak hold function, automatic zero button, portable design weighing only 180 grams.

$ 225.00

The device adopts D-type Impact device, supports 360 ° measurement, can display a variety of Hardness standards, has 600 sets of Data storage capacity, is small in size and weighs only 0.2kg, and has a standby time of 100 hours. It is suitable for small spaces and field environments.

$ 192.00

The equipment adopts the principle of magnetic field magnetization, lifting force of 7.5Kg, Scanning range of 20~ 200mm, equipped with LED lighting and movable joints, suitable for the detection of various shapes of workpieces.

$ 649.00

With 0.1~ 200000 Lux wide range, support Lux and FC dual unit measurement, with MAX Maximum hold and low voltage indication function, compact and portable.

$ 477.00

Measurement range 5~ 500μm, error +/- 10%, no power supply, durable, suitable for high temperature and difficult to contact surface measurement.

$ 382.00

Hall Sensor measurement of DC magnetic field, range 0-2000mT, Precision 5%, with automatic zero adjustment, peak holding and unit conversion functions, portable design weighs only 180g.

$ 180.00

Small portable size only 225mm * 60mm * 51mm, Dial reading accuracy +/- 1%, with peak holding and real-time load switching function, support dual unit display without conversion, push-pull Rod Travel 10mm.

$ 136.00

With a 0-220mm adjustable magnetization pole distance and a lifting force of ≥ 22.2kg, it supports both AC and DC power supply modes, with a battery life of up to 8 hours. The integrated molding design is convenient for high-altitude and confined space operations.

$ 583.00

Optical inspection fluorescence method without reference solution, built-in temperature sensor to calibrate data in real time, dual range design covering 0~ 20mg/L and 0~ 200% Saturation, 10 Meters long cable to support deep water or remote installation, polyformaldehyde and stainless steel composite structure to enhance environmental adaptability.

$ 636.00

Optical inspection measurement technology without reference solution, dual range coverage 0~ 20mg/L and 0~ 200% Saturation, built-in temperature sensor real-time compensation, 3 Meters cable suitable for deep water environment detection.

$ 608.00

Articles

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.
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.
Laboratory Application Scenarios of Milligram Precision Balances
The milligram precision balance can accurately weigh up to 0.001 grams, primarily utilizing electromagnetic force compensation technology, and its performance is related to parameters such as repeatability and linearity error.
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.
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.
Differences in Measurement Principles Between Magnetic Method and Eddy Current Method for Coating Thickness Gauges
Coating thickness gauges primarily utilize two measurement principles: magnetic method and eddy current method. The selection of the method should be based on the characteristics of the substrate material to ensure measurement accuracy.
For electromagnetic vibration tables, whether to choose sweep frequency or fixed frequency testing standards for simulating transportation is crucial; do not make a random selection if you are unsure.
The electromagnetic vibration table is used to simulate transportation vibrations and test the durability of products and packaging. There are two types of tests: fixed-frequency and sweep-frequency. The selection should be based on the test objectives and relevant standards to avoid arbitrary choices. For new products, it is recommended to first conduct a sweep-frequency test to identify resonance points, followed by fixed-frequency tests as needed.
What is a Coating Thickness Gauge? A Complete Analysis of Its Principles, Usage, and Application Areas
The article systematically elaborates on the working principles of two core measurement techniques, magnetic induction and eddy current, detailing the standard measurement process from calibration to data recording, and conducting an in-depth analysis of the influence of substrate characteristics, geometric shapes, and environmental factors on measurement accuracy.
Huinou Laboratory Automatic Film Coater: Bringing Simplicity and Precision Back to Coating Experiments.
The Huiniao Experimental Automatic Coating Machine addresses common operational pain points in material R&D through features such as snap-on wire rods, flip-top magnetic scrapers, servo motor drives, and a high-flatness work surface. These designs enhance cleaning convenience, reduce maintenance costs, and improve coating stability.