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- User Manual of DX-9700HC Hard Metal Magnetometer
User Manual of DX-9700HC Hard Metal Magnetometer
User Manual of DX-9700HC Hard Metal Magnetometer
The DX-9700HC is a sophisticated magnetometer used for assessing the magnetic properties of cemented carbides and semi-hard magnetic materials. It provides precise measurements of magnetic parameters to evaluate properties like hardness and phase presence, adhering to IEC 60404-4 and ASTM A596 standards.
The device complies with GB/T 3217-2013 and GB/T 24270-2009 standards for magnetic testing and temperature coefficient measurement of permanent magnetic materials.
The software is compatible with multiple Windows operating systems and languages, offering real-time test waveform display, automatic result saving, print preview, image export, and data table export. It allows comparison of up to four measurement curves simultaneously.
- Test Accuracy: Uncertainties of 1.0% and repeatability of ±0.3% for parameters like HcB, HcJ, Br, and BHmax.
- Excitation Power Supply: Offers power outputs from 2kVA to 16kVA, supporting various electromagnet specifications.
- Gaussmeter and Fluxmeter: Gaussmeter resolution of 1mT with a 0.3% error; Fluxmeter resolution of 1 µWb with similar error margins.
- Electromagnet: Models available for different sample sizes, with magnetic fields ranging from 1.8T to 3.2T.
- Data Acquisition Card: Two types available, MP411 (12 bits) and USB2817 (16 bits), with varying input voltages and system accuracies.
The system includes components such as excitation power, electromagnet, gaussmeter, fluxmeter, data acquisition card, computer, measuring software, and printer.
The process involves sending excitation current signals to generate a magnetizing field, capturing magnetic field intensity and flux signals, and converting them to digital signals for processing and result generation.
Includes an excitation power supply with interfaces, electromagnets, data acquisition cards, and a computer with specific software requirements.
The software interface includes menus for file management, editing, measurement settings, and report generation, supporting customization and precise control over the measurement process.
Testing procedures for magnetic materials using the DX-9700HC system are outlined, with a total test time of 90 seconds. The software allows for print previews, print settings, and exporting of graphs and data in various formats. Graph interfaces include sampling waveforms, hysteresis loops, and demagnetization curves.
Contains detailed information such as file name, sample number, magnetic properties, material name, sample shape and size, temperature, measurement date, and operator details.
Includes details on sample shape, material name, measurement method, test coil parameters, waveform parameters, and recording parameters.
Features a Gauss meter and a fluxmeter with automatic range settings based on material and sample specifications.
Detailed steps for testing general and rare-earth permanent magnetic materials, including inspection, startup, preparation, zeroing, testing, and shutdown procedures.
Outlines warranty regulations, conditions not covered by warranty, user responsibilities, and maintenance precautions, emphasizing proper handling and regular calibration.
Addresses common problems encountered during testing, such as test repeatability and excitation saturation, providing solutions for each issue.
Notes deviations in measurements of NdFeB materials between winter and summer due to poor temperature characteristics, recommending control of temperature deviations within 4°C. An automatic correction function adjusts measurements to a standard temperature of 20°C.
The Gauss meter and fluxmeter are controlled via a computer interface, with manual inspection of gear settings for correct operation.
Specific requirements for test samples are outlined to ensure accurate measurement of magnetic properties, including consistency in internal structure and geometric shape.
Discusses the impact of sectional area, air gap, and ambient temperature on measurement accuracy, providing formulas to estimate errors and outlining temperature coefficients for various materials.
According to IEC regulations, the minimum saturation magnetic field strength required for measurement is 3-5 times the intrinsic coercivity of the sample, with specific values provided for different materials.
Xiamen Dexing Magnet Tech. Co., Ltd. provides contact details for further inquiries.
Catalog excerpts
厦门盈德兴磁电科技有限公司 Xiamen Dexing Magnet Tech. Co., Ltd. USER’S MANUAL FOR DX-9700HC HARD METAL MAGNETOMETER 1. Introduction 1.1 DX-9700HC is the latest technology for measuring the magnetic properties of cemented carbides (WC in Co matrix) and semi-hard magnetic materials. The DX-9700HC provides accurate magnetic parameters to evaluate other correlated properties; for example: hardness or the presence of undesired phases. This revolutionary measuring equipment utilizes a technique that provides the fastest, repeatable and accurate measurements available on the market today. The DX-9700HC meets the International Standards IEC 60404-4 and ASTM A596. 1.2 Standard GB/T 3217-2013<> Add: Unit 405,10th Factory Building of Lianfa, No.34, Yuehua Road, Huli District, Xiamen, China 361006 Tel: 86-592-5237772 Website: www.dexinmag.com
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Xiamen Dexing Magnet Tech. Co., Ltd. GB/T 24270-2009<<Measurement method for temperature coefficient of magnetic properties of permanent magnetic materials>> IEC 60404-5<<Magnetic materials Part 5: Methods for measuring the magnetic properties of permanent magnetic (hard magnetic) materials>> Support Win XP/7/8/10 Chinese or English operating system, and support Chinese or English display; The test waveform curve is displayed in real time during the measurement process, and the measurement can be stopped at any time; Automatic saving of measurement results (save by test number or manually intervene)...
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*nXiamen Dexing Magnet Tech. Co., Ltd. Output voltage DX-210H Gauss meter is designed based on Hall effect principle, and its main performance indicators are as follows: Display: 4 1/2 LED indicator display; Range: 0.5/1.0/1.5/3.0 T or 0.5/1.0/2.0/4.0 T; Automatic range control. The DX-210B fluxmeter is designed based on the principle of RC electronic integrator. Its main performance indicators are as follows: Display: 4 1/2 LED indicator display; Range: 2.5/5.0/10/20 mWb; Automatic range control. Select different electromagnets according to the size of the sample or the size of the coercive...
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*nXiamen Dexing Magnet Tech. Co., Ltd. Weight 1.4.6 Data acquisition card There are two types of data acquisition cards used by DX-9700 HC permanent magnetic material magnetic measuring instrument: MP411 (12 bits) and USB2817 (16 bits). Input voltage: 5V/10V/± 5 V, controlled by software. AD converter: 12-bit AD, speed 2000-20000 channels/second (USB2.0 interface). Input impedance: 1 megaohm. Noise: less than ± 1LSB (typical, 500 sampling points) Input withstand voltage: - 6 V -+12V, instantaneous ± 30 V. Input voltage: 5V/10V/± 5V/± 10V, controlled by software. AD converter: 16-bit AD, speed...
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厦门盈德兴磁电科技有限公司 Xiamen Dexing Magnet Tech. Co., Ltd. 2. Test principle 2.1 Principle block diagram The test principle block diagram of DX-9700HC Hard alloy test system is shown in Figure 2.1. 2.2 Measurement process The whole measurement process is: the computer sends the excitation current signal to the DX-9700HC excitation power supply through the data acquisition card, and controls the measurement process at the same time. The excitation signal usually used is an integral period waveform which is approximate to triangular wave. Under the action of the excitation current, the electromagnet produces...
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厦门盈德兴磁电科技有限公司 Xiamen Dexing Magnet Tech. Co., Ltd. Figure 3.1 Front panel of FE-2100H excitation power supply POWER: power switch with indicator light (red); Alarm Release: alarm reset, with indicator light (yellow); When the excitation power supply is over-voltage or over-current, the excitation power supply will stop working and the indicator light will be on - at the same time, the buzzer will give a "tick tick" sound prompt. Press this key to cancel the alarm and the excitation power supply will return to its normal working state. Adj: manual output voltage regulating potentiometer; Voltage:...
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厦门盈德兴磁电科技有限公司 Xiamen Dexing Magnet Tech. Co., Ltd. H: Analog input of magnetic field signal; Connected to analog output of Gauss meter. USB: data acquisition card interface; Connect the computer. Output: excitation power output; Connect electromagnet. 3.2 Electromagnet 3.3 Data acquisition card There are two types of data acquisition cards used by DX-9700HC permanent magnetic material magnetic measuring instrument: MP411 (12 bits) and USB2817 (16 bits). 3.3.1 Technical indicators of MP411 Input voltage: 5V/10V/± 5V, controlled by software. AD converter: 12-bit AD, speed 2000-20000 channels/second...
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厦门盈德兴磁电科技有限公司 Xiamen Dexing Magnet Tech. Co., Ltd. Resolution: 16 bits. Noise: less than ± 1LSB (typical, 500 sampling points) Input withstand voltage: - 10V -+10V, instantaneous ± 30V. 3.4 Computer The test software does not have high requirements for computers. Generally, industrial control computers or Lenovo computers are configured. Support XP/WIN7/WIN 8/WIN 10 32-bit or 64-bit Chinese or English operating system. The normal operation of the test software requires the support of. net 3.5. Under XP system,. net 3.0 needs to be installed manually. Under WIN7/WIN 8/WIN 10 system, just open...
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厦门盈德兴磁电科技有限公司 Xiamen Dexing Magnet Tech. Co., Ltd. New file: includes new index and new data. New Index: pop up the storage dialog box mode to import the file name and extension: ind. You must create a new index before creating new data. Each index can contain up to 1024 data. The test software can only display data under one index at the same time. New data: pop up the storage dialog box mode to import the file name and extension: dat. Open file: Open the saved test file. The file types can be *. ind (index) and *. dat (data). Load file: Open the *. dat data file in another index under the current...
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厦门盈德兴磁电科技有限公司 Xiamen Dexing Magnet Tech. Co., Ltd. Software language: Chinese or English can be switched; Hall induction method: an H acquisition method, using the Gauss meter of Hall principle to measure the H value; Because of the nonlinearity of Hall sensor, nonlinear correction is required when it is used; H coil integration method: an H acquisition method, which uses the fluxmeter of RC analog integrator to measure the H value, and needs to fill in the number of H coil turns and H coil area; Demagnetization after the test: the demagnetization of the permanent magnet sample is easy to take...
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