Bepul muhandislik vositasi — #031

Yaqinlik sensori bo'shliq kuchlanishini hisoblash kalkulyatori

Elektr o'tkazuvchanlik zondi bo'shliq kuchlanishini, kuchlanishdan bo'shliq masofasini hisoblang va chiziqli ishlash diapazonini tekshiring. API 670 bo'yicha val tebranishi va holatini o'lchashni sozlash uchun.

API 670Eddy CurrentGap Voltage
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Bo'shliq kuchlanishi (DC)
Gap Distance
Linear Range
Chiziqli diapazon ichidami?
Samarali sezgirlik

Bo'shliq kuchlanishi bog'liqligi

Chiqish manfiy kuchlanish (bo'shliq kichraysa → kuchlanish manfiyroq). Standart sezgirlik: 7,87 mV/μm = 200 mV/mil.

Zond o'lchamiga ko'ra chiziqli diapazonlar

ProbeChiziqli diapazon (mm)Chiziqli diapazon (mil)Voltage Range
5 mm0.25 – 1.3010 – 50−2 to −10 V
8 mm0.25 – 2.3010 – 90−2 to −18 V
12 mm0.50 – 4.0020 – 160−4 to −32 V
Misol — Standart API 670 o'rnatmasi

Given: 8 mm zond, 7,87 mV/μm, 4140 po'lat nishon

Target gap = 1.27 mm = 1270 μm → V = −7.87 × 1270 / 1000 = −9,99 V DC ≈ −10 V

Chiziqli diapazon: 0,25–2,30 mm → 1,27 mm markazda ✓

⚠️ Note: Po'lat bo'lmagan nishonlar uchun sezgirlik tuzatmasi talab etiladi. Chiziqli diapazondan tashqarida ishlash o'lchash xatolariga > 5% olib keladi.

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