3DXHC15-300 Tri-axial Helmholtz Coils: Quality Inspection Report

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3DXHC15-300 Tri-axial Helmholtz Coils P1 3DXHC15-300 Tri-axial Helmholtz Coils P2 3DXHC15-300 Tri-axial Helmholtz Coils P3

 

Overall Dimensions: 920mm(L) x 600mm(W) x 930mm(H)

 

Coil spacing
X Axial: 305mm
Y Axial: 107mm
Z Axial: 74mm

Weight: 516kg

 

 

 

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:
Tri-axial Helmholtz Coil
Product model: 3DXHC15-300
Test time: September 25, 2025
    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
22.0℃ 22.0℃ - 0~30000nT
Table 1 Measurement environment data
Magnetic field parameter test
    1. Using the device
DX-F2031 power supply
DX-180 Gauss meter
DX-33OF Fluxgate Magnetometer
    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 (V) Magnetic field
strength(Gs)
X Axis 10 20.1 79.26
20 40.4 158.74
30 60.62 237.57
38.3 78.13 303.16
40 80.91 316.53
Y Axis 4 14.32 63.7
8 28.67 127.6
12 42.98 191.48
16 57.36 255.37
19 68.29 303.32
20 72.03 319.3
Z Axis 2 8.86 64.4
4 17.71 128.76
6 26.59 193.18
8 35.46 257.58
9.4 41.67 302.69
10 44.37 321.9
Table 2 Magnetic field strength data

 

Magnetic field uniformity
No. Area Current Central Maximum Minimum Uniformity
X Axis Φ70mm 38.3A 303.12 303.229 302.961 -0.0525%
Coordinates Magnetic Field Strength (Gs)
(0,0,0) 303.12
(35,0,0) 303.072
(-35,0,0) 303.134
(0,35,0) 303.079
(0,-35,0) 303.184
(0,0,35) 302.961
(0,0,-35) 303.229
Magnetic field uniformity
No. Area Current Central Maximum Minimum Uniformity
Y Axis Φ70mm 19A 303.32 303.423 303.18 -0.0462%
Coordinates Magnetic Field Strength (Gs)
(0,0,0) 303.32
(35,0,0) 303.21
(-35,0,0) 303.265
(0,35,0) 303.216
(0,-35,0) 303.262
(0,0,35) 303.423
(0,0,-35) 303.18
Magnetic field uniformity
No. Area Current Central Maximum Minimum Uniformity
Z Axis Φ70mm 9.4A 302.76 302.95 299.92 -0.9380%
Coordinates Magnetic Field Strength (Gs)
(0,0,0) 302.76
(35,0,0) 302.87
(-35,0,0) 302.94
(0,35,0) 302.95
(0,-35,0) 302.91
(0,0,35) 301.98
(0,0,-35) 299.92
Table 3 Uniformity data

 

Orthogonal Angles of Magnetic Fields
  3D fluxgate reading (geomagnetic field subtracted) [nT]     Angle (°) Offset (°)
No. x y z B      
X axis -162642.2 -988.9 14458.5 163286.593 Y-X angle 90.0294582 -0.0294582
Y axis 5456.9 -831 60971.8 61221.146 Y-Z angle 91.6127509 -1.6127509
Z axis -990.8 -129049.2 -5320.2 129162.619 Z-X angle 89.4244917 0.57550835
Table 4 Orthogonal Angle Data of Magnetic Fields
 
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℃
X axis 22.0℃ 2.000Ω 1.982Ω 2.574Ω
Y axis 22.0℃ 3.550Ω 3.518Ω 4.569Ω
Z axis 22.0℃ 4.380Ω 4.340Ω 5.638Ω
Table 5 Resistance R data

 

X Axis Inductance Ls, reactance Z measurement (test level 5V)
Ls MIN[H] FREQ[Hz] Ls MAX[H] FREQ[Hz]
 31.6210m  1.00000k  78.3636m 20
Z  MIN[Ω] FREQ[Hz] Z  MAX[Ω] FREQ[Hz]
14.8712 20 236.059  1.00000k
Table 6 X axis inductance Ls and reactance Z data
 
X Axis Inductance Ls, reactance Z-scan measurement
POINTS FREQ[Hz] Ls POINTS FREQ[Hz] Ls
1 20  78.3636m 14.8712 102 514.9  43.2055m 158.514
2 24.9  72.1029m 16.0607 103 519.8  43.0396m 159.545
3 29.8  68.4385m 17.3315 104 524.7  42.8670m 160.538
4 34.7  66.1903m 18.7318 105 529.6  42.6978m 161.537
5 39.6  64.5810m 20.1535 106 534.5  42.5284m 162.519
6 44.5  63.8379m 21.6845 107 539.4  42.3593m 163.484
7 49.4  63.2862m 23.2745 108 544.3  42.1947m 164.469
8 54.3  62.4664m 24.8466 109 549.2  42.0230m 165.414
9 59.2  62.1090m 26.5872 110 554.1  41.8664m 166.395
10 64.1  61.5339m 28.1401 111 559  41.7010m 167.331
11 69  61.2089m 29.8177 112 563.9  41.5462m 168.293
12 73.9  60.9066m 31.5398 113 568.8  41.3819m 169.226
13 78.8  60.5896m 33.2099 114 573.7  41.2239m 170.167
14 83.7  60.3615m 34.9353 115 578.6  41.0691m 171.093
15 88.6  60.1591m 36.6817 116 583.5  40.9129m 172.016
16 93.5  59.9009m 38.3744 117 588.4  40.7513m 172.911
17 98.4  59.6776m 40.0964 118 593.3  40.6086m 173.859
18 103.3  59.4960m 41.8361 119 598.2  40.4512m 174.754
19 108.2  59.3142m 43.5707 120 603.1  40.2973m 175.622
20 113.1  59.1048m 45.3121 121 608  40.1545m 176.549
21 118  58.9411m 47.0376 122 612.9  40.0045m 177.436
22 122.9  58.7773m 48.7914 123 617.8  39.8588m 178.312
23 127.8  58.5915m 50.5032 124 622.7  39.7111m 179.189
24 132.7  58.3968m 52.2142 125 627.6  39.5654m 180.056
25 137.6  58.2317m 53.9409 126 632.5  39.4233m 180.931
26 142.5  58.0530m 55.6563 127 637.4  39.2813m 181.79
27 147.4  57.8711m 57.3598 128 642.3  39.1450m 182.668
28 152.3  57.6988m 59.0568 129 647.2  39.0016m 183.495
29 157.2  57.4979m 60.7352 130 652.1  38.8664m 184.366
30 162.1  57.3280m 62.4292 131 657  38.7291m 185.21
31 167  57.1430m 64.1057 132 661.9  38.5931m 186.045
32 171.9  56.9733m 65.7906 133 666.8  38.4569m 186.872
33 176.8  56.7831m 67.4495 134 671.7  38.3250m 187.714
34 181.7  56.5994m 69.1089 135 676.6  38.1952m 188.546
35 186.6  56.4367m 70.7767 136 681.5  38.0615m 189.368
36 191.5  56.2401m 72.4169 137 686.4  37.9380m 190.204
37 196.4  56.0335m 74.0127 138 691.3  37.8078m 191.002
38 201.3  55.8408m 75.6427 139 696.2  37.6785m 191.82
39 206.2  55.6395m 77.2385 140 701.1  37.5542m 192.639
40 211.1  55.3937m 78.773 141 706  37.4205m 193.404
41 216  55.2517m 80.4292 142 710.9  37.2991m 194.212
42 220.9  55.0530m 82.0047 143 715.8  37.1753m 194.988
43 225.8  54.8523m 83.5776 144 720.7  37.0541m 195.784
44 230.7  54.6531m 85.138 145 725.6  36.9321m 196.575
45 235.6  54.4647m 86.7005 146 730.5  36.8127m 197.357
46 240.5  54.2544m 88.2229 147 735.4  36.6950m 198.146
47 245.4  54.0516m 89.7585 148 740.3  36.5780m 198.928
48 250.3  53.8611m 91.3007 149 745.2  36.4593m 199.677
49 255.2  53.6567m 92.808 150 750.1  36.3439m 200.451
50 260.1  53.4408m 94.2867 151 755  36.2277m 201.209
51 265  53.2415m 95.7888 152 759.9  36.1133m 201.967
52 269.9  53.0351m 97.2608 153 764.8  36.0038m 202.742
53 274.8  52.8210m 98.7199 154 769.7  35.8894m 203.487
54 279.7  52.6234m 100.184 155 774.6  35.7817m 204.239
55 284.6  52.4159m 101.627 156 779.5  35.6726m 205.008
56 289.5  52.2183m 103.074 157 784.4  35.5629m 205.732
57 294.4  51.9995m 104.488 158 789.3  35.4547m 206.48
58 299.3  51.7923m 105.921 159 794.2  35.3417m 207.182
59 304.2  51.5752m 107.286 160 799.1  35.2383m 207.983
60 309.1  51.3950m 108.728 161 804  35.1366m 208.687
61 314  51.1790m 110.106 162 808.9  35.0325m 209.406
62 318.9  50.9622m 111.448 163 813.8  34.9319m 210.14
63 323.8  50.7548m 112.811 164 818.7  34.8282m 210.865
64 328.7  50.5455m 114.159 165 823.6  34.7275m 211.571
65 333.6  50.3347m 115.493 166 828.5  34.6278m 212.299
66 338.5  50.1303m 116.828 167 833.4  34.5299m 213.026
67 343.4  49.9266m 118.154 168 838.3  34.4285m 213.731
68 348.3  49.7213m 119.469 169 843.2  34.3302m 214.433
69 353.2  49.5183m 120.771 170 848.1  34.2337m 215.147
70 358.1  49.3122m 122.06 171 853  34.1389m 215.853
71 363  49.1061m 123.336 172 857.9  34.0450m 216.562
72 367.9  48.9067m 124.615 173 862.8  33.9483m 217.255
73 372.8  48.7103m 125.895 174 867.7  33.8599m 217.976
74 377.7  48.5005m 127.128 175 872.6  33.7649m 218.655
75 382.6  48.2970m 128.365 176 877.5  33.6722m 219.347
76 387.5  48.0900m 129.573 177 882.4  33.5785m 220.035
77 392.4  47.8967m 130.82 178 887.3  33.4917m 220.734
78 397.3  47.6983m 132.046 179 892.2  33.4016m 221.418
79 402.2  47.4892m 133.217 180 897.1  33.3143m 222.104
80 407.1  47.3018m 134.432 181 902  33.2242m 222.785
81 412  47.1022m 135.609 182 906.9  33.1395m 223.477
82 416.9  46.9052m 136.796 183 911.8  33.0545m 224.158
83 421.8  46.7153m 137.963 184 916.7  32.9666m 224.823
84 426.7  46.5168m 139.114 185 921.6  32.8843m 225.51
85 431.6  46.3243m 140.267 186 926.5  32.8008m 226.189
86 436.5  46.1338m 141.407 187 931.4  32.7149m 226.849
87 441.4  45.9401m 142.531 188 936.3  32.6372m 227.545
88 446.3  45.7537m 143.665 189 941.2  32.5521m 228.194
89 451.2  45.5627m 144.773 190 946.1  32.4735m 228.869
90 456.1  45.3727m 145.881 191 951  32.3905m 229.544
91 461  45.1870m 146.971 192 955.9  32.3093m 230.174
92 465.9  45.0002m 148.069 193 960.8  32.2321m 230.84
93 470.8  44.8162m 149.143 194 965.7  32.1502m 231.49
94 475.7  44.6323m 150.223 195 970.6  32.0748m 232.148
95 480.6  44.4473m 151.259 196 975.5  31.9949m 232.786
96 485.5  44.2673m 152.334 197 980.4  31.9200m 233.453
97 490.4  44.0920m 153.405 198 985.3  31.8482m 234.125
98 495.3  43.9132m 154.441 199 990.2  31.7675m 234.748
99 500.2  43.7348m 155.495 200 995.1  31.6950m 235.392
100 505.1  43.5591m 156.499 201  1.00000k  31.6210m 236.059
101 510  43.3890m 157.54        
Table 7 X axis Detailed frequency data of inductance Ls and reactance Z

 

Y Axis Inductance Ls, reactance Z measurement (test level 5V)
Ls MIN[H] FREQ[Hz] Ls MAX[H] FREQ[Hz]
 57.0337m  1.00000k  101.299m 20
Z  MIN[Ω] FREQ[Hz] Z  MAX[Ω] FREQ[Hz]
19.8062 20 374.683  1.00000k
Table 8 Y axis inductance Ls and reactance Z data
Y Axis Inductance Ls, reactance Z-scan measurement
POINTS FREQ[Hz] Ls POINTS FREQ[Hz] Ls
1 20  101.299m 19.8062 102 514.9  62.4329m 208.116
2 24.9  90.4919m 21.1659 103 519.8  62.3736m 209.917
3 29.8  84.0656m 22.5214 104 524.7  62.3141m 211.714
4 34.7  79.9082m 23.9092 105 529.6  62.2553m 213.511
5 39.6  77.2285m 25.4005 106 534.5  62.1964m 215.304
6 44.5  75.2130m 26.8958 107 539.4  62.1373m 217.094
7 49.4  73.8523m 28.5048 108 544.3  62.0787m 218.882
8 54.3  72.6648m 30.1041 109 549.2  62.0201m 220.668
9 59.2  71.7966m 31.7988 110 554.1  61.9614m 222.45
10 64.1  71.1340m 33.5064 111 559  61.9032m 224.231
11 69  70.5766m 35.2568 112 563.9  61.8451m 226.009
12 73.9  70.1017m 37.0334 113 568.8  61.7867m 227.783
13 78.8  69.7434m 38.8586 114 573.7  61.7287m 229.556
14 83.7  69.4106m 40.6891 115 578.6  61.6712m 231.328
15 88.6  69.1303m 42.543 116 583.5  61.6132m 233.095
16 93.5  68.8928m 44.4185 117 588.4  61.5552m 234.859
17 98.4  68.6738m 46.3013 118 593.3  61.4980m 236.623
18 103.3  68.4786m 48.1983 119 598.2  61.4406m 238.383
19 108.2  68.3066m 50.1084 120 603.1  61.3833m 240.141
20 113.1  68.1504m 52.0277 121 608  61.3263m 241.897
21 118  68.0103m 53.9582 122 612.9  61.2692m 243.65
22 122.9  67.8663m 55.8832 123 617.8  61.2122m 245.401
23 127.8  67.7535m 57.8314 124 622.7  61.1561m 247.152
24 132.7  67.6390m 59.7777 125 627.6  61.0992m 248.897
25 137.6  67.5311m 61.7284 126 632.5  61.0430m 250.642
26 142.5  67.4303m 63.6832 127 637.4  60.9869m 252.384
27 147.4  67.3390m 65.6462 128 642.3  60.9305m 254.123
28 152.3  67.2413m 67.6024 129 647.2  60.8744m 255.86
29 157.2  67.1561m 69.5669 130 652.1  60.8185m 257.595
30 162.1  67.0718m 71.5309 131 657  60.7622m 259.325
31 167  66.9889m 73.4957 132 661.9  60.7059m 261.053
32 171.9  66.9065m 75.4591 133 666.8  60.6506m 262.782
33 176.8  66.8300m 77.4267 134 671.7  60.5948m 264.506
34 181.7  66.7544m 79.3938 135 676.6  60.5395m 266.23
35 186.6  66.6800m 81.3605 136 681.5  60.4840m 267.949
36 191.5  66.6069m 83.3264 137 686.4  60.4289m 269.668
37 196.4  66.5359m 85.2929 138 691.3  60.3733m 271.382
38 201.3  66.4641m 87.2567 139 696.2  60.3186m 273.097
39 206.2  66.3938m 89.2205 140 701.1  60.2631m 274.805
40 211.1  66.3247m 91.1829 141 706  60.2081m 276.513
41 216  66.2563m 93.1442 142 710.9  60.1535m 278.221
42 220.9  66.1889m 95.1047 143 715.8  60.0984m 279.923
43 225.8  66.1206m 97.0618 144 720.7  60.0440m 281.625
44 230.7  66.0515m 99.0152 145 725.6  59.9892m 283.323
45 235.6  65.9851m 100.969 146 730.5  59.9349m 285.02
46 240.5  65.9190m 102.922 147 735.4  59.8799m 286.712
47 245.4  65.8530m 104.873 148 740.3  59.8261m 288.406
48 250.3  65.7889m 106.824 149 745.2  59.7717m 290.095
49 255.2  65.7226m 108.768 150 750.1  59.7176m 291.783
50 260.1  65.6581m 110.712 151 755  59.6635m 293.467
51 265  65.5936m 112.655 152 759.9  59.6094m 295.149
52 269.9  65.5284m 114.593 153 764.8  59.5556m 296.83
53 274.8  65.4643m 116.531 154 769.7  59.5021m 298.509
54 279.7  65.4000m 118.465 155 774.6  59.4477m 300.182
55 284.6  65.3365m 120.398 156 779.5  59.3939m 301.855
56 289.5  65.2715m 122.326 157 784.4  59.3406m 303.527
57 294.4  65.2083m 124.255 158 789.3  59.2868m 305.195
58 299.3  65.1434m 126.177 159 794.2  59.2330m 306.859
59 304.2  65.0806m 128.1 160 799.1  59.1796m 308.523
60 309.1  65.0172m 130.019 161 804  59.1265m 310.185
61 314  64.9540m 131.936 162 808.9  59.0731m 311.844
62 318.9  64.8908m 133.85 163 813.8  59.0158m 313.481
63 323.8  64.8269m 135.759 164 818.7  58.9626m 315.135
64 328.7  64.7643m 137.668 165 823.6  58.9094m 316.786
65 333.6  64.7012m 139.573 166 828.5  58.8564m 318.436
66 338.5  64.6387m 141.477 167 833.4  58.8034m 320.083
67 343.4  64.5757m 143.376 168 838.3  58.7506m 321.728
68 348.3  64.5137m 145.275 169 843.2  58.6977m 323.37
69 353.2  64.4496m 147.166 170 848.1  58.6450m 325.011
70 358.1  64.3872m 149.058 171 853  58.5921m 326.648
71 363  64.3244m 150.946 172 857.9  58.5393m 328.282
72 367.9  64.2620m 152.832 173 862.8  58.4862m 329.913
73 372.8  64.2007m 154.717 174 867.7  58.4344m 331.548
74 377.7  64.1375m 156.596 175 872.6  58.3817m 333.175
75 382.6  64.0752m 158.473 176 877.5  58.3294m 334.801
76 387.5  64.0130m 160.347 177 882.4  58.2770m 336.426
77 392.4  63.9505m 162.218 178 887.3  58.2247m 338.047
78 397.3  63.8886m 164.087 179 892.2  58.1724m 339.666
79 402.2  63.8269m 165.953 180 897.1  58.1200m 341.281
80 407.1  63.7651m 167.817 181 902  58.0678m 342.896
81 412  63.7035m 169.677 182 906.9  58.0155m 344.507
82 416.9  63.6419m 171.535 183 911.8  57.9637m 346.118
83 421.8  63.5805m 173.39 184 916.7  57.9114m 347.724
84 426.7  63.5190m 175.242 185 921.6  57.8594m 349.328
85 431.6  63.4574m 177.091 186 926.5  57.8075m 350.931
86 436.5  63.3971m 178.94 187 931.4  57.7556m 352.531
87 441.4  63.3357m 180.783 188 936.3  57.7038m 354.129
88 446.3  63.2741m 182.622 189 941.2  57.6519m 355.724
89 451.2  63.2133m 184.461 190 946.1  57.6003m 357.318
90 456.1  63.1529m 186.297 191 951  57.5488m 358.909
91 461  63.0925m 188.131 192 955.9  57.4970m 360.497
92 465.9  63.0314m 189.959 193 960.8  57.4454m 362.083
93 470.8  62.9717m 191.788 194 965.7  57.3939m 363.667
94 475.7  62.9111m 193.613 195 970.6  57.3423m 365.248
95 480.6  62.8509m 195.435 196 975.5  57.2909m 366.827
96 485.5  62.7901m 197.253 197 980.4  57.2394m 368.404
97 490.4  62.7309m 199.072 198 985.3  57.1880m 369.978
98 495.3  62.6713m 200.886 199 990.2  57.1368m 371.55
99 500.2  62.6114m 202.698 200 995.1  57.0854m 373.12
100 505.1  62.5519m 204.507 201  1.00000k  57.0337m 374.683
101 510  62.4925m 206.313        
Table 9 Y axis Detailed frequency data of inductance Ls and reactance Z

 

Z Axis Inductance Ls, reactance Z measurement (test level 5V)
Ls MIN[H] FREQ[Hz] Ls MAX[H] FREQ[Hz]
 50.4702m  1.00000k  97.3991m 20
Z  MIN[Ω] FREQ[Hz] Z  MAX[Ω] FREQ[Hz]
18.5727 20 323.388  1.00000k
Table 10 Z axis inductance Ls and reactance Z data
Z Axis Inductance Ls, reactance Z-scan measurement
POINTS FREQ[Hz] Ls POINTS FREQ[Hz] Ls
1 20  97.3991m 18.5727 102 514.9  53.2501m 176.015
2 24.9  85.8513m 19.9906 103 519.8  53.2112m 177.548
3 29.8  78.5269m 21.2724 104 524.7  53.1726m 179.08
4 34.7  73.6445m 22.5175 105 529.6  53.1344m 180.61
5 39.6  70.1986m 23.7535 106 534.5  53.0963m 182.139
6 44.5  67.7519m 25.0258 107 539.4  53.0586m 183.667
7 49.4  65.9224m 26.3254 108 544.3  53.0209m 185.192
8 54.3  64.4665m 27.6481 109 549.2  52.9839m 186.718
9 59.2  63.3655m 29.0144 110 554.1  52.9470m 188.242
10 64.1  62.4322m 30.3956 111 559  52.9102m 189.764
11 69  61.7019m 31.8153 112 563.9  52.8739m 191.286
12 73.9  61.0862m 33.256 113 568.8  52.8378m 192.806
13 78.8  60.5661m 34.72 114 573.7  52.8020m 194.325
14 83.7  60.1262m 36.2056 115 578.6  52.7663m 195.843
15 88.6  59.7459m 37.7079 116 583.5  52.7309m 197.36
16 93.5  59.4153m 39.2263 117 588.4  52.6959m 198.875
17 98.4  59.1250m 40.7598 118 593.3  52.6614m 200.392
18 103.3  58.8715m 42.3082 119 598.2  52.6266m 201.904
19 108.2  58.6434m 43.8666 120 603.1  52.5923m 203.417
20 113.1  58.4373m 45.4348 121 608  52.5585m 204.929
21 118  58.2511m 47.0121 122 612.9  52.5247m 206.44
22 122.9  58.0828m 48.5989 123 617.8  52.4914m 207.95
23 127.8  57.9277m 50.1918 124 622.7  52.4585m 209.46
24 132.7  57.7846m 51.7911 125 627.6  52.4254m 210.967
25 137.6  57.6520m 53.3962 126 632.5  52.3928m 212.475
26 142.5  57.5286m 55.0058 127 637.4  52.3606m 213.982
27 147.4  57.4124m 56.6194 128 642.3  52.3283m 215.486
28 152.3  57.3042m 58.237 129 647.2  52.2963m 216.991
29 157.2  57.2011m 59.8571 130 652.1  52.2646m 218.494
30 162.1  57.1038m 61.4803 131 657  52.2331m 219.997
31 167  57.0113m 63.1058 132 661.9  52.2019m 221.498
32 171.9  56.9213m 64.7314 133 666.8  52.1708m 222.999
33 176.8  56.8373m 66.3611 134 671.7  52.1401m 224.499
34 181.7  56.7551m 67.9903 135 676.6  52.1094m 225.998
35 186.6  56.6761m 69.6209 136 681.5  52.0792m 227.497
36 191.5  56.6001m 71.2526 137 686.4  52.0492m 228.994
37 196.4  56.5256m 72.8836 138 691.3  52.0190m 230.49
38 201.3  56.4539m 74.5158 139 696.2  51.9891m 231.985
39 206.2  56.3834m 76.1471 140 701.1  51.9597m 233.48
40 211.1  56.3152m 77.7791 141 706  51.9306m 234.975
41 216  56.2481m 79.4099 142 710.9  51.9013m 236.467
42 220.9  56.1821m 81.04 143 715.8  51.8724m 237.96
43 225.8  56.1177m 82.6697 144 720.7  51.8438m 239.452
44 230.7  56.0545m 84.2989 145 725.6  51.8152m 240.943
45 235.6  55.9928m 85.9275 146 730.5  51.7871m 242.434
46 240.5  55.9311m 87.5537 147 735.4  51.7588m 243.922
47 245.4  55.8711m 89.1799 148 740.3  51.7310m 245.412
48 250.3  55.8113m 90.8042 149 745.2  51.7036m 246.901
49 255.2  55.7532m 92.428 150 750.1  51.6757m 248.387
50 260.1  55.6956m 94.0504 151 755  51.6484m 249.874
51 265  55.6386m 95.6713 152 759.9  51.6213m 251.36
52 269.9  55.5818m 97.29 153 764.8  51.5945m 252.846
53 274.8  55.5264m 98.9083 154 769.7  51.5677m 254.331
54 279.7  55.4696m 100.521 155 774.6  51.5411m 255.815
55 284.6  55.4147m 102.136 156 779.5  51.5145m 257.297
56 289.5  55.3606m 103.749 157 784.4  51.4881m 258.779
57 294.4  55.3068m 105.36 158 789.3  51.4622m 260.262
58 299.3  55.2536m 106.969 159 794.2  51.4364m 261.744
59 304.2  55.2009m 108.577 160 799.1  51.4103m 263.223
60 309.1  55.1483m 110.182 161 804  51.3846m 264.702
61 314  55.0963m 111.786 162 808.9  51.3593m 266.182
62 318.9  55.0448m 113.388 163 813.8  51.3340m 267.661
63 323.8  54.9937m 114.989 164 818.7  51.3090m 269.139
64 328.7  54.9428m 116.587 165 823.6  51.2839m 270.616
65 333.6  54.8927m 118.184 166 828.5  51.2591m 272.093
66 338.5  54.8425m 119.779 167 833.4  51.2343m 273.568
67 343.4  54.7928m 121.371 168 838.3  51.2096m 275.042
68 348.3  54.7432m 122.962 169 843.2  51.1854m 276.518
69 353.2  54.6939m 124.55 170 848.1  51.1609m 277.991
70 358.1  54.6455m 126.138 171 853  51.1367m 279.464
71 363  54.5972m 127.724 172 857.9  51.1130m 280.938
72 367.9  54.5492m 129.307 173 862.8  51.0890m 282.409
73 372.8  54.5015m 130.889 174 867.7  51.0656m 283.883
74 377.7  54.4541m 132.469 175 872.6  51.0421m 285.354
75 382.6  54.4072m 134.047 176 877.5  51.0183m 286.822
76 387.5  54.3603m 135.623 177 882.4  50.9949m 288.292
77 392.4  54.3137m 137.197 178 887.3  50.9717m 289.761
78 397.3  54.2676m 138.77 179 892.2  50.9490m 291.232
79 402.2  54.2218m 140.341 180 897.1  50.9260m 292.699
80 407.1  54.1765m 141.91 181 902  50.9032m 294.166
81 412  54.1310m 143.477 182 906.9  50.8805m 295.633
82 416.9  54.0862m 145.043 183 911.8  50.8580m 297.099
83 421.8  54.0414m 146.606 184 916.7  50.8357m 298.566
84 426.7  53.9972m 148.168 185 921.6  50.8134m 300.031
85 431.6  53.9531m 149.729 186 926.5  50.7911m 301.495
86 436.5  53.9094m 151.288 187 931.4  50.7692m 302.96
87 441.4  53.8662m 152.845 188 936.3  50.7475m 304.425
88 446.3  53.8229m 154.4 189 941.2  50.7258m 305.888
89 451.2  53.7799m 155.954 190 946.1  50.7038m 307.349
90 456.1  53.7376m 157.506 191 951  50.6825m 308.813
91 461  53.6956m 159.058 192 955.9  50.6609m 310.274
92 465.9  53.6534m 160.606 193 960.8  50.6398m 311.736
93 470.8  53.6117m 162.153 194 965.7  50.6158m 313.18
94 475.7  53.5704m 163.7 195 970.6  50.5948m 314.64
95 480.6  53.5294m 165.244 196 975.5  50.5737m 316.1
96 485.5  53.4887m 166.787 197 980.4  50.5530m 317.559
97 490.4  53.4483m 168.33 198 985.3  50.5320m 319.017
98 495.3  53.4078m 169.869 199 990.2  50.5114m 320.475
99 500.2  53.3682m 171.408 200 995.1  50.4908m 321.932
100 505.1  53.3285m 172.945 201  1.00000k  50.4702m 323.388
101 510  53.2893m 174.481        
Table 11 Z axis Detailed frequency data of inductance Ls and reactance Z

 

    4.Temperature test
This product uses the following measurement methods:
a. Using magnetic field temperature rise measurement: given the limit working time and maximum temperature under the target magnetic field current required by the user.
b. Maximum current temperature rise measurement: Measure the ultimate working time and maximum temperature under the maximum safe current that the product can withstand
c. Measure the data on temperature, time and current of the entire coil. The measurement results are shown in the table below.
X aixs Temperature rise test
Current[A] Working time[min] Product Voltage (V) Power (W)
38.3 0 78.56 3013
2 79.28 3037
4 80.31 3076
6 81.28 3113
8 82.03 3141
10 83.01 3178
12 83.96 3215
14 84.7 3242
16 85.66 3279
18 86.36 3307
20 87.39 3345
22 88.26 3380
24 88.93 3404
25 89.39 3422
Note  
Table 12 Data on the relationship between operating time, operating voltage, and current
 
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.