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

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更新時(shí)間：2024-06-26

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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(hào)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(cè)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3035C是一款壓電式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)，重2.5g，不銹鋼結(jié)構(gòu)，工作溫度高達(dá)204攝氏度。

The Dytran 3035C is a piezoelectric charge mode accelerometer with sensitivity of 2.5 pC/g, and is ideal for high temperature applications where vertical space is limited. This miniature sensor has a height of just 0.33 inches (8.4 millimeters) and weighs just 2.5 grams, making it ideal for use in applications where mass loading is a concern. In addition, the Dytran model 3035C features a hermetically sealed, stainless steel construction and a 5-44 radial connector.

This sensor is part of Dytran's 3035C series of charge mode accelerometers, which differ only in their type of mounting configuration. Model 3035C features a 5-40 stud mount, while model 3035CG utilizes adhesive mounting capabilities.

特性

1. 2.5 pC/g sensitivity

2. 15,000 Hz upper frequency range (±15%)

3. 5-44 radial connector

4. 5-40 stud mount

5. 2.5 grams

6. Stainless steel

7. Hermetic

8. +400°F (+204°C) operation

9. Miniature

10. Charge mode

應(yīng)用

1. Environmental Stress Screening (ESS)

環(huán)境應(yīng)力篩選

2. Product response

產(chǎn)品響應(yīng)

3. Structural testing of small objects

小產(chǎn)品的結(jié)構(gòu)檢驗(yàn)

4. High temperature vibration monitoring applications where vertical space is limited

高溫振動(dòng)監(jiān)測(cè)應(yīng)用

參數(shù)

Weight, Max. 0.09 oz 2.5 grams Notes:

Connector 5-44 Coaxial 5-44 Coaxial

Sensitivity, ±10% [1] 2.5 pC/g 0.3 mV/m/s2

Range for ± 5 Volts Output ±500 g ±4905 m/s2

Frequency Response, ±10% 0.5 to 10000 Hz 0.5 to 10000 Hz

Resonant Frequency > 45 kHz > 45 kHz

Linearity [2] ±1 % F.S. ±1 % F.S.

Maximum Transverse sensitivity 5 % 5 %

Strain Sensitivity @ 250με 0.002 g/με 0.02 m/s2/με

ENVIRONMENTAL

Maximum Vibration 600 Gpeak 5884 m/s2 peak

Maximum Shock 10000 Gpeak 98067 m/s2 peak

Temperature Range -100 to +400 °F -73 to +204 °C

Seal Hermetic Hermetic

Electrical Isolation Case Grounded GΩ,min Case Grounded GΩ,min

訂貨型號(hào)

3035C

配件

1. Model 4110C current source power unit, 4705A series in-line charge amplifier (BNC jack to BNC jack), 4751B series in-line charge amplifier (10-32 jack to 10-32 jack)

2. 電纜線：6025A, 6056A

相關(guān)型號(hào)

3035CG

3035C 01.png