3DXHC16-0.5 Three-dimensional Equal-diameter AC Helmholtz Coil: Quality Inspection Report

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Overall Dimensions: 360mm(L) x 360mm(W) x 370mm(H)

 

Coil spacing
X Axial: 140mm
Y Axial: 140mm
Z Axial: 140mm

Weight: 6.81kg

 

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:
Three-dimensional equal-diameter AC Helmholtz coil
Product model: 3DXHC16-0.5
Test time: May 29th, 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
23.0℃ 23.0℃   0~30000nT
Table 1 Measurement environment data
Magnetic field parameter test
    1. Using the device
DX-F2031 power supply
DX-330F 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 Voltage (V) Magnetic field
strength(Gs)
X Axis 1 - 0.61531
Y Axis 1 - 0.61798
Z Axis 1 - 0.6194
Table 2 Magnetic field strength data
 
Magnetic field uniformity
Air gap Area Current Center Max Min Uniformity
X Axis Sφ80mm 1A 0.61531Gs 0.61531Gs 0.61255Gs -0.44%
Y Axis Sφ80mm 1A 0.61798Gs 0.61798Gs 0.61479Gs -0.51%
Z Axis Sφ80mm 1A 0.6194Gs 0.6194Gs 0.61654Gs -0.46%
Table 3 Uniformity data
               
Orthogonal Angle of the magnetic field
  Three-dimensional fluxgate reading (nt)   Angle (°) Offset (°) Note
X Axis 815.9 -2333.6 61481.3 X-Y angle 89.9242205 0.07577946  
Y Axis 61788.2 845.7 -706.3 X-Z angle 89.9130087 0.08699128  
Z Axis 176.4 -61898.9 -2257.9 Y-Z Angle 90.5963441 -0.5963441  
 
0.5Gs@1Khz power
Air gap Display current (A) Display voltage Voltage (V) Actual power
(W)
X Axis 0.45 0.875 0.39
Y Axis 0.5 0.9 0.45
Z Axis 0.475 0.9 0.43
 
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 23.0℃ 0.910Ω 0.898Ω 1.166Ω
Y axis 23.0℃ 0.900Ω 0.888Ω 1.153Ω
Z axis 23.0℃ 0.910Ω 0.898Ω 1.166Ω
Table 4 Resistance R data
 
X Axis Inductance Ls, reactance Z measurement (test level 5V)
Ls MIN[H] FREQ[Hz] Ls MAX[H] FREQ[Hz]
 233.585u 867.7  241.928u 20
Z  MIN[Ω] FREQ[Hz] Z  MAX[Ω] FREQ[Hz]
0.90974 20 1.72795  1.00000k
Table 5 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  241.928u 0.90974 102 514.9  233.727u 1.18333
2 24.9  240.258u 0.90991 103 519.8  233.742u 1.18798
3 29.8  238.029u 0.91028 104 524.7  233.754u 1.19266
4 34.7  236.842u 0.91083 105 529.6  233.772u 1.19741
5 39.6  235.745u 0.9112 106 534.5  233.786u 1.20216
6 44.5  236.106u 0.91151 107 539.4  233.789u 1.20689
7 49.4  236.372u 0.91185 108 544.3  233.845u 1.21162
8 54.3  236.087u 0.91263 109 549.2  233.850u 1.21639
9 59.2  236.645u 0.91374 110 554.1  233.843u 1.22116
10 64.1  236.052u 0.91422 111 559  233.844u 1.2261
11 69  235.794u 0.91501 112 563.9  233.848u 1.23091
12 73.9  235.526u 0.9158 113 568.8  233.846u 1.23572
13 78.8  235.153u 0.91682 114 573.7  233.843u 1.24059
14 83.7  235.056u 0.91774 115 578.6  233.845u 1.2455
15 88.6  234.858u 0.91859 116 583.5  233.840u 1.2504
16 93.5  234.817u 0.9196 117 588.4  233.841u 1.25536
17 98.4  235.001u 0.92073 118 593.3  233.840u 1.26034
18 103.3  234.973u 0.9219 119 598.2  233.842u 1.26534
19 108.2  234.804u 0.92318 120 603.1  233.838u 1.27032
20 113.1  234.746u 0.92448 121 608  233.834u 1.2753
21 118  234.614u 0.92588 122 612.9  233.830u 1.28034
22 122.9  234.625u 0.92722 123 617.8  233.827u 1.28541
23 127.8  234.576u 0.92872 124 622.7  233.823u 1.29049
24 132.7  234.540u 0.93009 125 627.6  233.820u 1.2956
25 137.6  234.476u 0.93153 126 632.5  233.820u 1.30074
26 142.5  234.418u 0.93305 127 637.4  233.816u 1.30589
27 147.4  234.411u 0.93467 128 642.3  233.809u 1.31104
28 152.3  234.300u 0.93626 129 647.2  233.811u 1.31624
29 157.2  234.338u 0.93813 130 652.1  233.802u 1.32142
30 162.1  234.310u 0.93996 131 657  233.802u 1.32665
31 167  234.311u 0.94194 132 661.9  233.800u 1.3319
32 171.9  234.317u 0.94384 133 666.8  233.797u 1.33716
33 176.8  234.271u 0.94584 134 671.7  233.792u 1.34242
34 181.7  234.228u 0.94789 135 676.6  233.789u 1.34773
35 186.6  234.223u 0.95001 136 681.5  233.788u 1.35305
36 191.5  234.180u 0.95212 137 686.4  233.783u 1.35837
37 196.4  234.143u 0.95433 138 691.3  233.781u 1.36373
38 201.3  234.136u 0.95655 139 696.2  233.776u 1.36911
39 206.2  234.135u 0.95881 140 701.1  233.774u 1.37447
40 211.1  234.136u 0.96112 141 706  233.774u 1.37988
41 216  234.159u 0.96349 142 710.9  233.772u 1.3853
42 220.9  234.157u 0.96589 143 715.8  233.767u 1.39073
43 225.8  234.149u 0.96834 144 720.7  233.768u 1.3962
44 230.7  234.153u 0.97085 145 725.6  233.762u 1.40165
45 235.6  234.138u 0.97345 146 730.5  233.758u 1.40713
46 240.5  234.099u 0.97599 147 735.4  233.755u 1.41264
47 245.4  234.058u 0.97859 148 740.3  233.754u 1.41816
48 250.3  233.975u 0.98122 149 745.2  233.751u 1.42368
49 255.2  233.974u 0.984 150 750.1  233.743u 1.42924
50 260.1  233.950u 0.98677 151 755  233.741u 1.43484
51 265  233.942u 0.98962 152 759.9  233.743u 1.44041
52 269.9  233.911u 0.99245 153 764.8  233.738u 1.44599
53 274.8  233.952u 0.99542 154 769.7  233.737u 1.45159
54 279.7  233.981u 0.99843 155 774.6  233.737u 1.45721
55 284.6  233.989u 1.00145 156 779.5  233.737u 1.46284
56 289.5  233.999u 1.00451 157 784.4  233.733u 1.46848
57 294.4  233.982u 1.00758 158 789.3  233.725u 1.4741
58 299.3  233.978u 1.01071 159 794.2  233.712u 1.47972
59 304.2  233.988u 1.01381 160 799.1  233.698u 1.48535
60 309.1  233.978u 1.017 161 804  233.677u 1.49095
61 314  233.982u 1.02024 162 808.9  233.663u 1.49661
62 318.9  233.967u 1.02351 163 813.8  233.652u 1.50235
63 323.8  233.968u 1.02684 164 818.7  233.642u 1.50802
64 328.7  233.950u 1.03017 165 823.6  233.638u 1.51375
65 333.6  233.944u 1.03358 166 828.5  233.616u 1.5194
66 338.5  233.935u 1.03703 167 833.4  233.612u 1.52516
67 343.4  233.930u 1.04046 168 838.3  233.604u 1.5309
68 348.3  233.934u 1.044 169 843.2  233.592u 1.53665
69 353.2  233.916u 1.04751 170 848.1  233.600u 1.54248
70 358.1  233.913u 1.05111 171 853  233.594u 1.54829
71 363  233.913u 1.05472 172 857.9  233.588u 1.55408
72 367.9  233.901u 1.05838 173 862.8  233.596u 1.55995
73 372.8  233.900u 1.06214 174 867.7  233.585u 1.56576
74 377.7  233.897u 1.06587 175 872.6  233.593u 1.57166
75 382.6  233.886u 1.06961 176 877.5  233.588u 1.57751
76 387.5  233.879u 1.0734 177 882.4  233.599u 1.58345
77 392.4  233.874u 1.07723 178 887.3  233.601u 1.58936
78 397.3  233.873u 1.08111 179 892.2  233.611u 1.59532
79 402.2  233.869u 1.085 180 897.1  233.614u 1.60126
80 407.1  233.860u 1.08894 181 902  233.618u 1.60723
81 412  233.860u 1.09291 182 906.9  233.629u 1.61322
82 416.9  233.854u 1.09692 183 911.8  233.634u 1.61921
83 421.8  233.851u 1.10096 184 916.7  233.642u 1.62522
84 426.7  233.843u 1.10504 185 921.6  233.648u 1.63121
85 431.6  233.841u 1.10917 186 926.5  233.657u 1.63722
86 436.5  233.828u 1.11331 187 931.4  233.663u 1.64324
87 441.4  233.832u 1.11748 188 936.3  233.665u 1.64923
88 446.3  233.826u 1.12168 189 941.2  233.667u 1.65525
89 451.2  233.818u 1.12589 190 946.1  233.670u 1.66127
90 456.1  233.811u 1.13017 191 951  233.672u 1.6673
91 461  233.802u 1.13444 192 955.9  233.673u 1.67333
92 465.9  233.772u 1.13868 193 960.8  233.715u 1.6794
93 470.8  233.754u 1.14301 194 965.7  233.716u 1.68545
94 475.7  233.738u 1.14734 195 970.6  233.713u 1.6915
95 480.6  233.729u 1.15172 196 975.5  233.711u 1.69755
96 485.5  233.707u 1.15612 197 980.4  233.709u 1.70362
97 490.4  233.706u 1.16057 198 985.3  233.706u 1.70969
98 495.3  233.692u 1.16505 199 990.2  233.703u 1.71576
99 500.2  233.701u 1.16964 200 995.1  233.704u 1.72188
100 505.1  233.702u 1.17415 201  1.00000k  233.699u 1.72795
101 510  233.709u 1.1787        
Table 6 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]
 231.197u 867.7  238.488u 20
Z  MIN[Ω] FREQ[Hz] Z  MAX[Ω] FREQ[Hz]
0.90752 20 1.71397  1.00000k
Table 7 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  238.488u 0.90752 102 514.9  231.315u 1.1767
2 24.9  237.710u 0.9077 103 519.8  231.332u 1.1813
3 29.8  236.070u 0.90808 104 524.7  231.348u 1.18591
4 34.7  234.861u 0.90845 105 529.6  231.363u 1.19055
5 39.6  234.091u 0.90882 106 534.5  231.382u 1.19522
6 44.5  233.572u 0.90926 107 539.4  231.395u 1.19996
7 49.4  233.037u 0.90973 108 544.3  231.458u 1.20464
8 54.3  233.489u 0.91046 109 549.2  231.465u 1.20935
9 59.2  233.917u 0.91118 110 554.1  231.455u 1.21405
10 64.1  233.479u 0.91191 111 559  231.455u 1.21878
11 69  233.146u 0.91271 112 563.9  231.454u 1.22353
12 73.9  232.814u 0.91356 113 568.8  231.455u 1.22832
13 78.8  232.550u 0.91445 114 573.7  231.454u 1.23312
14 83.7  232.369u 0.91534 115 578.6  231.454u 1.23795
15 88.6  232.212u 0.91624 116 583.5  231.454u 1.24281
16 93.5  232.196u 0.91728 117 588.4  231.454u 1.24768
17 98.4  232.554u 0.91838 118 593.3  231.450u 1.25256
18 103.3  232.435u 0.9196 119 598.2  231.453u 1.2574
19 108.2  232.316u 0.92085 120 603.1  231.450u 1.26231
20 113.1  232.206u 0.92214 121 608  231.448u 1.26725
21 118  232.116u 0.92348 122 612.9  231.445u 1.27222
22 122.9  232.064u 0.92481 123 617.8  231.442u 1.27721
23 127.8  232.051u 0.92615 124 622.7  231.434u 1.28229
24 132.7  232.013u 0.92755 125 627.6  231.433u 1.28738
25 137.6  231.967u 0.92899 126 632.5  231.437u 1.29236
26 142.5  231.864u 0.93046 127 637.4  231.426u 1.29739
27 147.4  231.813u 0.93195 128 642.3  231.423u 1.30247
28 152.3  231.754u 0.9336 129 647.2  231.428u 1.30759
29 157.2  231.758u 0.93535 130 652.1  231.420u 1.3127
30 162.1  231.799u 0.93718 131 657  231.419u 1.31788
31 167  231.802u 0.93906 132 661.9  231.417u 1.32301
32 171.9  231.833u 0.94105 133 666.8  231.413u 1.3282
33 176.8  231.805u 0.94304 134 671.7  231.412u 1.33341
34 181.7  231.771u 0.94505 135 676.6  231.407u 1.33868
35 186.6  231.741u 0.94711 136 681.5  231.423u 1.34404
36 191.5  231.721u 0.94922 137 686.4  231.492u 1.34946
37 196.4  231.694u 0.95136 138 691.3  231.454u 1.35463
38 201.3  231.670u 0.95356 139 696.2  231.397u 1.35982
39 206.2  231.684u 0.95578 140 701.1  231.394u 1.36515
40 211.1  231.683u 0.95804 141 706  231.390u 1.37047
41 216  231.698u 0.96035 142 710.9  231.385u 1.37582
42 220.9  231.691u 0.96273 143 715.8  231.383u 1.38118
43 225.8  231.695u 0.96515 144 720.7  231.382u 1.38656
44 230.7  231.699u 0.9676 145 725.6  231.376u 1.39194
45 235.6  231.658u 0.97007 146 730.5  231.378u 1.39736
46 240.5  231.586u 0.97258 147 735.4  231.373u 1.40276
47 245.4  231.556u 0.97516 148 740.3  231.374u 1.40821
48 250.3  231.533u 0.97779 149 745.2  231.370u 1.41365
49 255.2  231.473u 0.98045 150 750.1  231.365u 1.41912
50 260.1  231.456u 0.98318 151 755  231.364u 1.42459
51 265  231.438u 0.98596 152 759.9  231.362u 1.43009
52 269.9  231.446u 0.9888 153 764.8  231.363u 1.43561
53 274.8  231.457u 0.99167 154 769.7  231.363u 1.44113
54 279.7  231.497u 0.99462 155 774.6  231.363u 1.44668
55 284.6  231.537u 0.99763 156 779.5  231.359u 1.45222
56 289.5  231.557u 1.00065 157 784.4  231.351u 1.45776
57 294.4  231.557u 1.00367 158 789.3  231.338u 1.4633
58 299.3  231.539u 1.00675 159 794.2  231.324u 1.46884
59 304.2  231.566u 1.00978 160 799.1  231.310u 1.47438
60 309.1  231.557u 1.01293 161 804  231.285u 1.4799
61 314  231.554u 1.01611 162 808.9  231.276u 1.4855
62 318.9  231.548u 1.01934 163 813.8  231.262u 1.49108
63 323.8  231.541u 1.02259 164 818.7  231.258u 1.49673
64 328.7  231.533u 1.02589 165 823.6  231.247u 1.50235
65 333.6  231.530u 1.02923 166 828.5  231.229u 1.50796
66 338.5  231.523u 1.03259 167 833.4  231.227u 1.51364
67 343.4  231.518u 1.036 168 838.3  231.222u 1.51933
68 348.3  231.509u 1.03946 169 843.2  231.208u 1.52499
69 353.2  231.508u 1.04294 170 848.1  231.208u 1.53071
70 358.1  231.501u 1.04648 171 853  231.212u 1.53648
71 363  231.498u 1.05003 172 857.9  231.201u 1.54218
72 367.9  231.494u 1.05363 173 862.8  231.206u 1.54797
73 372.8  231.486u 1.05725 174 867.7  231.197u 1.55371
74 377.7  231.485u 1.06092 175 872.6  231.205u 1.55953
75 382.6  231.475u 1.06461 176 877.5  231.206u 1.56534
76 387.5  231.473u 1.06835 177 882.4  231.217u 1.5712
77 392.4  231.466u 1.07211 178 887.3  231.215u 1.57701
78 397.3  231.463u 1.07593 179 892.2  231.228u 1.5829
79 402.2  231.457u 1.07977 180 897.1  231.230u 1.58875
80 407.1  231.454u 1.08365 181 902  231.237u 1.59465
81 412  231.448u 1.08755 182 906.9  231.250u 1.60057
82 416.9  231.446u 1.09147 183 911.8  231.253u 1.60646
83 421.8  231.438u 1.09542 184 916.7  231.262u 1.61242
84 426.7  231.433u 1.09944 185 921.6  231.266u 1.61836
85 431.6  231.433u 1.10346 186 926.5  231.279u 1.62433
86 436.5  231.427u 1.10752 187 931.4  231.284u 1.63027
87 441.4  231.428u 1.11163 188 936.3  231.289u 1.6362
88 446.3  231.415u 1.11581 189 941.2  231.293u 1.64216
89 451.2  231.420u 1.12029 190 946.1  231.296u 1.6481
90 456.1  231.400u 1.12441 191 951  231.299u 1.65406
91 461  231.374u 1.12857 192 955.9  231.300u 1.66002
92 465.9  231.352u 1.13279 193 960.8  231.345u 1.66601
93 470.8  231.330u 1.13702 194 965.7  231.344u 1.67198
94 475.7  231.315u 1.14131 195 970.6  231.340u 1.67795
95 480.6  231.305u 1.14563 196 975.5  231.339u 1.68394
96 485.5  231.286u 1.14995 197 980.4  231.338u 1.68994
97 490.4  231.280u 1.15432 198 985.3  231.335u 1.69593
98 495.3  231.272u 1.15869 199 990.2  231.334u 1.70194
99 500.2  231.280u 1.16315 200 995.1  231.333u 1.70796
100 505.1  231.283u 1.16761 201  1.00000k  231.329u 1.71397
101 510  231.290u 1.17213        
Table 8 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]
 228.212u 867.7  236.332u 20
Z  MIN[Ω] FREQ[Hz] Z  MAX[Ω] FREQ[Hz]
0.91108 20 1.70023  1.00000k
Table 9 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  236.332u 0.91108 102 514.9  228.361u 1.17372
2 24.9  235.303u 0.91124 103 519.8  228.372u 1.17818
3 29.8  233.970u 0.91163 104 524.7  228.390u 1.18269
4 34.7  232.755u 0.91187 105 529.6  228.408u 1.18724
5 39.6  232.181u 0.91225 106 534.5  228.424u 1.19182
6 44.5  231.183u 0.91279 107 539.4  228.437u 1.19643
7 49.4  230.239u 0.91311 108 544.3  228.495u 1.201
8 54.3  230.972u 0.91398 109 549.2  228.498u 1.20558
9 59.2  231.225u 0.91486 110 554.1  228.494u 1.2102
10 64.1  231.014u 0.91543 111 559  228.489u 1.21482
11 69  230.622u 0.9162 112 563.9  228.493u 1.21948
12 73.9  230.417u 0.91703 113 568.8  228.489u 1.22415
13 78.8  230.010u 0.91792 114 573.7  228.491u 1.22886
14 83.7  229.823u 0.91882 115 578.6  228.489u 1.23357
15 88.6  229.610u 0.91973 116 583.5  228.485u 1.23831
16 93.5  229.609u 0.92072 117 588.4  228.485u 1.24308
17 98.4  229.908u 0.92176 118 593.3  228.488u 1.24789
18 103.3  229.839u 0.92293 119 598.2  228.484u 1.25267
19 108.2  229.693u 0.92417 120 603.1  228.480u 1.25749
20 113.1  229.583u 0.92544 121 608  228.480u 1.26236
21 118  229.481u 0.92676 122 612.9  228.474u 1.26722
22 122.9  229.376u 0.92802 123 617.8  228.471u 1.27211
23 127.8  229.390u 0.92937 124 622.7  228.465u 1.27702
24 132.7  229.342u 0.93073 125 627.6  228.462u 1.28193
25 137.6  229.276u 0.93215 126 632.5  228.461u 1.2869
26 142.5  229.182u 0.9336 127 637.4  228.457u 1.29186
27 147.4  229.132u 0.9351 128 642.3  228.452u 1.29684
28 152.3  229.039u 0.93668 129 647.2  228.451u 1.30185
29 157.2  229.030u 0.93844 130 652.1  228.445u 1.30687
30 162.1  229.067u 0.94024 131 657  228.441u 1.31191
31 167  229.055u 0.94208 132 661.9  228.439u 1.31697
32 171.9  229.113u 0.94397 133 666.8  228.437u 1.32206
33 176.8  229.046u 0.94586 134 671.7  228.434u 1.32715
34 181.7  229.010u 0.94783 135 676.6  228.430u 1.33226
35 186.6  228.978u 0.94982 136 681.5  228.429u 1.3374
36 191.5  228.936u 0.95188 137 686.4  228.424u 1.34254
37 196.4  228.913u 0.95398 138 691.3  228.422u 1.34771
38 201.3  228.884u 0.95613 139 696.2  228.416u 1.35289
39 206.2  228.896u 0.95829 140 701.1  228.413u 1.35811
40 211.1  228.882u 0.9605 141 706  228.412u 1.36333
41 216  228.886u 0.96275 142 710.9  228.409u 1.36858
42 220.9  228.874u 0.96508 143 715.8  228.405u 1.37383
43 225.8  228.885u 0.96744 144 720.7  228.402u 1.3791
44 230.7  228.877u 0.96983 145 725.6  228.397u 1.38437
45 235.6  228.832u 0.97226 146 730.5  228.396u 1.38967
46 240.5  228.771u 0.97469 147 735.4  228.397u 1.39498
47 245.4  228.723u 0.9772 148 740.3  228.391u 1.4003
48 250.3  228.682u 0.97974 149 745.2  228.390u 1.40564
49 255.2  228.634u 0.98235 150 750.1  228.387u 1.411
50 260.1  228.606u 0.98502 151 755  228.383u 1.41636
51 265  228.596u 0.98773 152 759.9  228.378u 1.42174
52 269.9  228.589u 0.9905 153 764.8  228.380u 1.42715
53 274.8  228.602u 0.99329 154 769.7  228.383u 1.43258
54 279.7  228.630u 0.99616 155 774.6  228.383u 1.43802
55 284.6  228.672u 0.99912 156 779.5  228.376u 1.44343
56 289.5  228.691u 1.00204 157 784.4  228.366u 1.44886
57 294.4  228.678u 1.005 158 789.3  228.353u 1.45429
58 299.3  228.667u 1.00798 159 794.2  228.339u 1.45971
59 304.2  228.685u 1.01095 160 799.1  228.324u 1.46516
60 309.1  228.674u 1.01402 161 804  228.299u 1.47056
61 314  228.670u 1.01711 162 808.9  228.289u 1.47605
62 318.9  228.655u 1.02025 163 813.8  228.279u 1.48154
63 323.8  228.651u 1.02343 164 818.7  228.271u 1.48705
64 328.7  228.638u 1.02664 165 823.6  228.262u 1.49258
65 333.6  228.630u 1.02989 166 828.5  228.242u 1.49807
66 338.5  228.619u 1.03318 167 833.4  228.239u 1.50364
67 343.4  228.616u 1.03651 168 838.3  228.234u 1.50922
68 348.3  228.614u 1.03988 169 843.2  228.222u 1.51477
69 353.2  228.598u 1.04327 170 848.1  228.226u 1.52041
70 358.1  228.594u 1.04672 171 853  228.223u 1.52602
71 363  228.586u 1.05018 172 857.9  228.214u 1.53164
72 367.9  228.581u 1.05368 173 862.8  228.219u 1.53732
73 372.8  228.573u 1.05723 174 867.7  228.212u 1.54295
74 377.7  228.570u 1.06079 175 872.6  228.220u 1.54867
75 382.6  228.557u 1.06439 176 877.5  228.218u 1.55435
76 387.5  228.548u 1.06803 177 882.4  228.229u 1.5601
77 392.4  228.544u 1.07171 178 887.3  228.229u 1.56582
78 397.3  228.537u 1.07542 179 892.2  228.243u 1.5716
79 402.2  228.537u 1.07917 180 897.1  228.245u 1.57734
80 407.1  228.531u 1.08296 181 902  228.247u 1.5831
81 412  228.518u 1.08679 182 906.9  228.262u 1.58893
82 416.9  228.516u 1.09066 183 911.8  228.267u 1.59474
83 421.8  228.512u 1.09454 184 916.7  228.274u 1.60056
84 426.7  228.503u 1.09844 185 921.6  228.280u 1.6064
85 431.6  228.500u 1.10239 186 926.5  228.289u 1.61224
86 436.5  228.494u 1.10637 187 931.4  228.297u 1.61808
87 441.4  228.491u 1.11037 188 936.3  228.299u 1.62389
88 446.3  228.488u 1.11441 189 941.2  228.306u 1.62975
89 451.2  228.482u 1.11847 190 946.1  228.308u 1.63559
90 456.1  228.455u 1.12252 191 951  228.306u 1.64141
91 461  228.430u 1.12661 192 955.9  228.309u 1.64727
92 465.9  228.407u 1.13073 193 960.8  228.355u 1.65317
93 470.8  228.381u 1.13486 194 965.7  228.353u 1.65903
94 475.7  228.370u 1.13906 195 970.6  228.350u 1.66489
95 480.6  228.356u 1.14328 196 975.5  228.348u 1.67075
96 485.5  228.333u 1.14751 197 980.4  228.347u 1.67664
97 490.4  228.333u 1.1518 198 985.3  228.345u 1.68254
98 495.3  228.319u 1.1561 199 990.2  228.345u 1.68844
99 500.2  228.334u 1.16048 200 995.1  228.340u 1.69433
100 505.1  228.330u 1.16484 201  1.00000k  228.336u 1.70023
101 510  228.332u 1.16924        
Table 10 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.
Temperature rise test
Current[A] Working time[min] Initial Temp[℃]
1(X Axis) 0 0.96
10 0.96
20 0.96
30 0.96
40 0.96
50 0.96
60 0.96
Table 11 Relationship data between temperature, working time 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.