Magnetic Declination Measuring Instrument

Tam sim no, nws tsis yog nruj kom xav tau qhov tseeb thiab sib xws ntawm cov khoom siv hlau nplaum kev taw qhia hauv cov txheej txheem tsim khoom siv hlau nplaum feem ntau. Txawm li cas los xij, nrog rau kev siv cov khoom siv hlau nplaum ntau ntxiv, qhov yuav tsum tau ua rau qhov tseeb ntawm cov hlau nplaum tas mus li kuj nce siab dua. Piv nrog rau cov kev cai ntawm cov khoom siv hlau nplaum ib txwm muaj, cov ntawv thov tshiab muaj cov kev cai tshwj xeeb ntxiv rau cov khoom sib nqus ntawm cov hlau nplaum ruaj khov. Vim qhov cuam tshuam tseem ceeb ntawm qhov kawg magnetization vector kev taw qhia (magnetic declination) ntawm cov hlau nplaum tas mus li ntawm qhov kev ua tau zoo ntawm cov khoom sib nqus hlau nplaum, qhov sib nqus declination lub kaum sab xis ntawm cov hlau nplaum ruaj khov yog qhov taw qhia tseem ceeb los ntsuas kev ua haujlwm ntawm cov hlau nplaum ruaj khov. DX-2012AM mus tas li magnet magnetic declination ntsuas ntsuas muab kev ntsuas zoo rau cov lag luam los daws cov khoom siv hlau nplaum high-end.

Lub DX-2012AM mus tas li hlau nplaum sib nqus declination ntsuas qhov system muaj peb-dimensional Helmholtz coil txuas nrog ib qho kev ywj pheej peb-tiv thaiv fluxmeter, tsim ib qho kev sim kho vajtse. Los ntawm kev hloov cov ntaub ntawv xeem ntawm peb lub Cheebtsam siv lub microcomputer, ua tiav cov khoom siv hlau nplaum ruaj khov zoo ntsuas qhov system raug tsim. Muab cov hlau nplaum tso rau ntawm cov qauv theem, sim cov sib nqus flux tivthaiv siv txoj kev rub-up, thiab xam lub sijhawm sib nqus thiab cov hlau nplaum sib txawv ntawm lub kaum sab xis ntawm lub ntsiab axis. Muaj peev xwm tso saib tag nrho lub sijhawm sib nqus M thiab spindle magnetic declination lub kaum sab xis, Ø x, Ø y, Ø z, thiab cov coil sib thooj ntawm qhov ntsuas coil.

2.1. DX-2012AM Magnetic declination test host: Peb-channel fluxmeter

Fluxmeter ntau yam: 1mWb/10mWb/100mWb/1000mWb, plaub lub zog, qhov tseeb: 0.5%;

Fuxmeter daws teeb meem: {{0}}.01%, 0.1uWb min.;

Input impedance sib xws: 1kΩ / 10kΩ / 100kΩ / 1MΩ;

Drift: 1uWb / min (xws li 10mWb xeem ntau yam tom qab kho kom ruaj khov)

Hwm muaj nuj nqi

ncaj qha tso saib cov flux ntawm peb-channel fluxmeter;

Ncaj qha tso saib magnetic declination θz ntawm cov qauv kuaj;

Kev sib piv ntawm θz thiab qhov teeb tsa tus nqi, yooj yim los txiav txim qhov tsim nyog lossis tsis tsim nyog thiab faib cov khoom lag luam siab;

Stand-alone xeem lossis txuas rau PC nrog RS232 interface thiab cia li kaw cov ntaub ntawv xeem;

Repeatability thiab reproducibility ntawm magnetic momentum M thiab magnetic declination θz yog tsawg dua 10%.

2.2 DXHC150 3-aixal helmholtz coils (puab puag ncig)

XY coil tas li tsim raws li: {{0}}.015 Wb*cm/V*s, calibration raug: zoo dua 0.5%;

Z coil tas li tsim raws li: {{0}}.05 Wb*cm/V*s, calibration raug: zoo dua 0.5%;

Coil orthogonal kaum sab xis: zoo dua ±0.2 degree;

Lub ntsiab axial kauj (Z coil qhov chaw nce thiab nqis, yooj yim los txhim kho qhov tseeb ntawm kev sib nqus declination);

Cov qauv xeem:
ib. 30mm3-150mm3 (homogeneous cheeb tsam: 0.3%);
b. 30mm3-30mm3 (homogeneous cheeb tsam: 1.0%).

2.3. DX-2012AM Magnetic declination testing software

Automatically sau qhov serial no. ntawm cov qauv kuaj;

Tsis siv neeg kaw θz, tag nrho lub sijhawm sib nqus M thiab flux Øx, Øy, Øz.

Chev kuj yog Ohm, ncaj qha tawm tswv yim, kuaj software pib kho fluxmeter amplification coefficient los xyuas kom meej qhov tseeb.

● Direct zaub ntawm peb-flux meter flux;

● Ncaj qha tso saib qhov sib nqus declination ntawm cov qauv kuaj & theta;Z;

● Muaj peev xwm sib piv cov hlau nplaum declination & theta;Z nrog cov nqi tsim nyog, txiav txim siab seb cov khoom puas tsim nyog lossis tsis, lossis faib cov khoom lag luam siab;

● tuaj yeem nrhiav tau nyob ib leeg hauv online, tseem tuaj yeem txuas nrog lub computer, cov ntaub ntawv xeem rau kev sim thiab txuag;

● Sib nqus lub sijhawm M kuaj tsis paub meej: {{0}}.5%, rov ua dua: ± 0.1%;

● Sib nqus declination & theta;Z uncertainty: 0.2 degree (qhov txheeb ze ntawm cov qauv ruaj khov thiab coil);

● Test repeatability: ± 0.1 degree ;

● Software ntse kho: daws qhov teeb meem ntawm flux meter drift, pib xoom taw tes thiab cuam tshuam ntawm coil tsis kam ntawm ib qho.

Muab cov hlau nplaum tso rau ntawm lub rooj qauv, sim cov khoom sib nqus flux los ntawm txoj kev rub, thiab tau txais lub sijhawm sib nqus thiab qhov sib txawv ntawm qhov sib nqus ntawm qhov kev taw qhia ntawm lub ntsiab axis los ntawm kev suav. Nws tuaj yeem tso saib tag nrho lub sijhawm sib nqus M, spindle magnetic declination, Øx, Øy, Øz, thiab cov coil tas li ntawm cov khoom sib txuas.

Cov khoom siv kho vajtse muaj xws li high-ceev 32 digitals M4 ib leeg-chip system, 3 teeb ntawm built-in fluxmeter, 7 nti 800 * 480 daws teeb meem LCD.

4.1 Lub vaj huam sib luag pem hauv ntej yog qhia raws li hauv qab no:

4.2 Lub vaj huam sib luag rov qab tau qhia raws li hauv qab no:

Ib qho Helmholtz kauj tuaj yeem siv los ntsuas lub sijhawm sib nqus M uas tsim los ntawm cov hlau nplaum tas mus li hauv cov kev taw qhia magnetization. Lub sijhawm sib nqus M tuaj yeem tau txais los ntawm kev sib txuas lus M=KH × Φ, nyob rau hauv uas KH yog Helmholtz coil tas li, thaum lub Φ yog qhov sib nqus flux ntawm cov hlau nplaum induction rau lub kauj. Raws li kev soj ntsuam zoo ntawm cov khoom siv mus tas li tom qab tau magnetized, Helmholtz coil tau txais yuav thiab nws tau txais nrov heev thiab thoob ntiaj teb. Nws yog ib qho tseem ceeb heev rau tus tsim ib-dimensional thiab peb-dimensional Helmholtz coil los koom rau hauv kev sib nrig sib kis tsis tau nrog nws cov phooj ywg thoob ntiaj teb.

Los ntawm kev siv zog ntawm lub tuam txhab kev txawj ntse, DX{{0}}AM Magnetic declination Measuring device tau ua tiav thiab tuaj yeem muab tso rau hauv kev ua lag luam raws li cov khoom tshiab. Piv nrog rau tus qauv qauv, cov cuab yeej no tau txhim kho qhov tsim ntawm lub tshuab lub cev, ntxiv pneumatic laub qauv qauv rau kev sib cais ntawm lub ntiaj teb tsis tshua muaj cov qauv hlau nplaum ruaj khov, thiab coil tas li K ntawm XY axis coils yog tsim los kom qis dua 0.015cm. Tag nrho cov no ua tau raws li qhov xav tau ntawm cov neeg siv khoom hauv tsev thiab txawv teb chaws. Raws li cov khoom siv tsis koom nrog kev siv cov ntaub ntawv nraaj, peb hloov kho lub khoos phis tawj rau lub khoos phis tawj, feem ntau yog siv los ua cov ntaub ntawv ntawm cov qauv ntsuas, thiab tag nrho cov ntaub ntawv kaw tseg tuaj yeem luam tawm ncaj qha.

4.3 Software Screenshot