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NMR Permanent Magnets

Specifications

Shimming

Ordering Information

The NMR permanent magnets (NdFeB) come in multiple models, each with unique specifications and dimensions as illustrated in the chart below*. Models 1 - 4 are enclosed in a 4 sided shell as depicted in the picture above. Model 5 is enclosed in a C-shaped shell.

Specification Model 1 Model 2 Model 3 Model 3A Model 3S Model 4 Model 4S
Model 5 Model 500
Pole Face Diameter (D) 50 mm 70 mm 100 mm 100 mm 100 mm 140 mm 140 mm
50 mm 500 mm
Air Gap (δ) 10 mm 14 mm 20 mm 20 mm 30 mm 25 mm 30 mm
30 mm 120 mm
Field Strength
0.6 T 0.66 T 0.51 or 0.53 T 0.53 T 0.50 T 0.58 T ~0.5 T
0.45 T 0.275 T
Proton NMR Frequency
25.5 MHz
28 MHz
21.5 or 22.5 MHz
22.5 MHz
21 MHz
24.5 MHz
21.6 MHz
19 MHz
11.6 MHz
Dimensions of the Uniform Magnetic Field
3 mm Diameter,
1 mm Height
3 mm Diameter,
2 mm Height
4 mm Diameter,
3 mm Height
4 mm Diameter,
3 mm Height
4 mm Diameter,
3 mm Height
5 mm Diameter,
4 mm Height
5 mm  Diameter,
4 mm Height
3 mm Diameter,
2 mm Height
TBD
Field Uniformity (δH/H) 10-4 10-4 10-4 10-4 10-4 10-4 10-4 10-4 TBD
Size (L x W x H) 70 x 100 x 100 mm3 100 x 124 x 130 mm3 130 x 126 x 165 mm3 140 x 135 x 180 mm3 130 x 126 x 169 mm3 170 x 145 x 210 mm3 170 x 155 x 210 mm3 140 x 200 x 160 mm3 410 x 630 x 600 mm3
Weight 3.2 kg 8.2 kg 15 kg 16.3 kg 15 kg 25 kg 25 kg 21 kg 620 kg

*Minor deviations are possible.

Shimming


Caution: Minute adjustments will affect the field uniformity.


Models and Ordering Information

To inquire about the availability and pricing of our NMR-Permanent-Magnents, please use our Contact Form.


 


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