Quality Inspection Report of Custom Electromagnet

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Fixed air gap custom electromagnet  left view of custom electromagnet  pole face of custom electromagnet

 

Overall Dimensions: 370mm(L) x 290mm(W) x 320mm(H)

Coil spacing: 120mm
Pole diameter: 180mm

Pole face diameter: 180mm

Air gap range: 79.5mm

Weight: 86kg

 

Performance test report
 Introduction
    1. Test purpose
Through the analysis of the test results, the evaluation of the product performance is obtained;
Evaluate whether the test product meets the technical requirements;
Provide reference data for product design and after-sales service, and provide a strong basis for leaving the factory.
    2. Basic information
 Product Name:
Electromagnet		 Product model: Custom
Test time: Nov. 20, 2023
    3. Testing environment
The detection environment is closer to the actual environmental conditions used by the user, including factors such as lead wire length and ambient temperature. The time is selected in the time interval where the fluctuation of the geomagnetic field is small. Before the test, the instruments required for the test were turned on and warmed up in advance and the measurement environment was recorded, as shown in Table 1.
Measurement environment
Environment temperature Product initial temperature Lead length Environmental magnetic field
8.0℃ 8.0℃ 4M 0~30000nT
Table 1 Measurement environment data
 
Magnetic field parameter test
    1. Using the device
DX-F2031 power supply
DX-180 Gauss Meter
    2. Magnetic field measurement
This product uses the following measurement methods:
Fixed-point measurement: measure the magnetic field at the target point
Magnetic field strength
Air Gap Display current (A) Display voltage Voltage (V) Magnetic field
strength（T）
79.5mmGap 1 - 14.39
79.5mmGap 2 - 28.28
79.5mmGap 3 - 42.21
79.5mmGap 3.5 - 50.08
79.5mmGap 4 - 56.33
79.5mmGap 5 - 70.49
79.5mmGap 6 46 84.48
Table 2 Magnetic field strength data
 
Magnetic field uniformity
Air gap Area Current Extreme value Max Extreme value Min Uniformity Remark
79.5mm 50*50*10mm 6A 84.70mT 84.28mT 0.25% 　
Table 3 Uniformity data
　
Electrical parameter test
    1. Using equipment
Digital multimeter
Impedance analyzer
    2. Test method
The digital instrument with bridge circuit and voltammetry is used for measurement. The measurement results are shown in the table below.
Resistance R measurement
Environment
temperature		 Product temperature Measuring resistance ResistanceR@20℃ ResistanceR@85℃
8.0℃ 8.0℃ 7.130Ω 7.547Ω 9.803Ω
Table 4 Resistance R data
 
Conclusion
The magnetic field and electrical performance of the product meet the requirements of the corresponding technical parameters. The final performance of the product is subject to this document.

 

 

 

 

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Dexinmag® • 2024

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