Quality Inspection Report: NMR7014-066 Uniform Magnetic Field for NMR

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Uniform Magnetic Field for NMR

Overall Dimensions: 124mm(L) x 100mm(W) x 130mm(H)

Coil spacing
Pole diameter: 70mm

Air gap range: 14mm

Weight: 8.82kg

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: Uniform Magnetic Field for NMR				Product model:		NMR7014-066
				Test time:		Aug. 28, 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
25.0℃		25.0℃		-		0~30000nT
Table 1 Measurement environment data

Magnetic field parameter test
1. Using the device
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（Gs）
14mmGap		-		-		6761.8
Table 2 Magnetic field strength data

Magnetic field uniformity
Air gap	Measuring area	measuring current	Max	Min	Uniformity	Note
14mmGap	φ6*3mm	-	6764.4Gs	6759.8Gs	0.038%
Table 3 Uniformity 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.