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13352927502
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13352927502
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產(chǎn)品簡介
壓電式加速度傳感器，又稱振動(dòng)傳感器，是基于壓電晶體的壓電效應(yīng)工作的。某些晶體在一定方向上受力變形時(shí)，其內(nèi)部會(huì)產(chǎn)生極化現(xiàn)象，同時(shí)在它的兩個(gè)表面上產(chǎn)生符號相反的電荷；當(dāng)外力去除后，又重新恢復(fù)到不帶電狀態(tài)，這種現(xiàn)象稱為“壓電效應(yīng)"，具有“壓電效應(yīng)"的晶體稱為壓電晶體。常用的壓電晶體有石英、壓電陶瓷等，在現(xiàn)代生產(chǎn)生活中被應(yīng)用于許許多多的方面，如手提電腦的硬盤抗摔保護(hù)，目前用的數(shù)碼相機(jī)和攝像機(jī)里，也有加速度傳感器，用來檢測拍攝時(shí)候的手部的振動(dòng)，并根據(jù)這些振動(dòng)，自動(dòng)調(diào)節(jié)相機(jī)的聚焦。壓電加速度傳感器還應(yīng)用于汽車安全氣囊、防抱死系統(tǒng)、牽引控制系統(tǒng)等安全性能方面。
美國Dytran的3310A是一款高溫型加速度傳感器/振動(dòng)傳感器，具有體積小、結(jié)構(gòu)堅(jiān)固，高密封、耐高溫等特點(diǎn)，靈敏度1.2pC/g，工作溫度高達(dá)260℃。
The Dytran 3310A is a low profile piezoelectric charge mode accelerometer with a sensitivity of 1.2 pC/g designed to reliably operate in temperatures up to +500°F (+260°C).
The ultra miniature teardrop design of the model 3310A features a lightweight titanium housing weighing just 1.8 grams. Units incorporate a unique single crystal sensing element, ensuring greater temperature stability over a wider range. Units offer base isolation and hermetic sealing for reliable operation in high humidity environments, with adhesive mounting capabilities. The sensor also features a specially designed Dytran 3-56 coaxial connector, which mates with a supplied replacement cable, terminating to a 10-32 jack.
特性
1. 1.2 pC/g sensitivity
2. 7,000 Hz upper frequency range (±5%)
3. Removable 3-foot cable assembly
4. Adhesive mount
5. 1.8 grams
6. Titanium
7. Hermetic
8. Base isolated
9. Ultra miniature teardrop design
10. +500°F (+260°C) operation
11. Charge mode
應(yīng)用
1. Environmental Stress Screeing (ESS)
環(huán)境應(yīng)力篩選
2. Mechanical shock testing
機(jī)械沖擊試驗(yàn)
3. PC board vibration measurement
印刷電路板振動(dòng)測量
4. Product response testing
產(chǎn)品反應(yīng)試驗(yàn)
5. General purpose high temperature vibration measurements where space is at a premium
通用高溫振動(dòng)測量
Weight 0.063 oz 1.8 grams
Connector [2] 3-56 UNF-2A 3-56 UNF-2A [3] Measured at 100 Hz, 1 G RMS per ISA RP37.2.
Case Material Titanium Titanium
Sensing Element Type LiNbO3 LiNbO3
Sensitivity [3] [4] 1.0 - 1.3 pC/g 0.10 ‐ 0 .13 pC / m/s2
Range F.S +/-3000 g/με +/-29,430 m/s2
Frequency Response, +/- 3dB [5] to 20,000 Hz [5] to 15,000 Hz
Frequency Response, +/- 10% [5] to 10,000 Hz [5] to 10,000 Hz
Frequency Response, +/- 5% [5] to 7,000 Hz [5] to 5,000 Hz
Mounted Resonant Frequency >45 kHz >45 kHz
Amplitude Non-Linearity 1 %F.S MAX 1 %F.S MAX
Transverse Sensitivity, Max 5 % 5 %
Strain Sensitivity @250/μσ 0.00012 g/με 0.0012 m/s2/με
ENVIRONMENTAL
Maximum Vibration 4000 g rms 39200 m/s2 rms
Maximum Shock 5000 g 49000 m/s2
Temperature Range -60 to +500 °F -51 to +260 °C
Environmental Seal Hermetic Hermetic
ELECTRICAL
Output Signal Polarity Positive Positive
Isolation [6] [6]
訂貨型號
3310A
配件
1. Model 6927 installation removal wrench, (1) model 6003A03 cable assembly
2. Model 4110C current source power unit, 4705M series in-line charge amplifier (10-32 jack to BNC jack), 4751B series in-line charge amplifier (10-32 jack to 10-32 jack)
3. 電纜線：6013A, 6019A
相關(guān)型號
3224C
3225E
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