Quality Inspection Report of Customized 5-poles Electromagnet

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Overall Dimensions: 215mm(L) x 215mm(W) x 60mm(H)
Total equipment weight: 7.2 kg

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: Five-Poles Electromagnet			Product model:	DXDJ Customized
			Test time:	June 13, 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
28.0℃		28.0℃	3M	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
No.		Display current (A)	Display voltage Voltage (V)	Magnetic field strength（Gs）
1.3 Opposite pole		0.2	-	46.86
1.3 Opposite pole		0.4	-	88.63
1.3 Opposite pole		0.6	-	131.05
1.3 Opposite pole		0.8	-	168.92
1.3 Opposite pole		1.0	-	198.64
2.4 Opposite pole		0.2	-	45.37
2.4 Opposite pole		0.4	-	86.86
2.4 Opposite pole		0.6	-	129.85
2.4 Opposite pole		0.8	-	168.63
2.4 Opposite pole		1.0	-	198.82
Single pole		0.2	-	45.00
Single pole		0.4	-	87.75
Single pole		0.6	-	132.89
Single pole		0.8	-	177.03
Single pole		1.0	-	221.01
Table 2 Magnetic field strength 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
No.	Product temperature	Measuring resistance	ResistanceR@20℃	ResistanceR@85℃
1.3 Opposite pole	28.0℃	23.200Ω	22.377Ω	29.067Ω
2.4 Opposite pole	28.0℃	23.200Ω	22.377Ω	29.067Ω
Single pole	28.0℃	8.900Ω	8.584Ω	11.151Ω
Table 3 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.