3309A 高溫加速度傳感
- 公司名稱 深圳市漢斯福特科技有限公司
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- 更新時(shí)間 2024/6/26 17:03:04
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加速度傳感器、穩(wěn)重傳感器、壓力傳感器、日本shimpo計(jì)測(cè)儀器、刀具斷刀磨損檢測(cè)監(jiān)測(cè)系統(tǒng)
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(guó)Dytran的3309A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)，高頻率，工作溫度高達(dá)250℃。
The Dytran 3309A is a ring style high temperature piezoelectric charge mode accelerometer offering a high natural frequency and reliable operation in temperatures up to +482°F (+250°C).
Incorporating a unique single crystal piezoelectric sensing element operating in shear mode, the Dytran model 3309A is offered with a sensitivity of 5 pC/g. Units feature a radial 3-pin “Mighty Mouse™” connector, as well as a miniature thru hole design, allowing the sensor to be turned 360° prior to securing, aiding the user during sensor installation. The model 3309A is also hermetically sealed for use in demanding environments, and case isolated to avoid EMI/ground loop interference.
特性
1. 5 pC/g sensitivity
2. 5,000 Hz upper frequency range (±5%)
3. 3-pin "Mighty Mouse™" radial connector
4. ?.17 thru hole mount
5. 25.5 grams
6. Stainless steel
7. Hermetic
8. Case isolated
9. 360° cable orientation
10. +482°F (+250°C) operation
11. Charge mode
應(yīng)用
1. Commercial and military aircraft vibration monitoring
商用和飛機(jī)振動(dòng)監(jiān)測(cè)
2. Engine vibration monitoring
發(fā)動(dòng)機(jī)振動(dòng)監(jiān)測(cè)
3. High performance engine analysis
高性能引擎分析
Weight 0.893 oz 25.5 grams
Mounting Provision ?.16 Thru Hole ?4.1 Thru Hole
Material 304L 304L
Sensitivity +/- 5%
Frequency Range, ± 3dB [2] - 15,000 [2] - 15,000
Frequency Range, ± 10% [2]-10,000 [2]-10,000 -60 -5
Frequency Range, ± 5% [2]-5,000 Hz
Linearity [3] ± 1 %F.S ± 1 %F.S 150 2.5
Transverse Sensitivity, Max. 5% 5% 300 5
Maximum Vibration 5,000 ±gpk 49000 ± m/s2 pk
Maximum Shock 10,000 ±gpk 98000 ± m/s2 pk
Temperature Range (Operational) ‐60 to +482 °F ‐55 to +250 °C
Coefficient Of Thermal Sensitivity 0.016 %/°F 0.032 %/°C
Base Strain Sensitivity 0.008 g/με 0.0784 m/s2 / με
Base Isolation (1000VDC, 1 minute, 20 sec. ramp)[4] >1 GΩ >10 GΩ
Capacitance, NOM at 75°F 280 pF 280 pF
Insulation Resistance, (across element) 75°F 1.00E+15 Ω 1.00E+15 Ω
訂貨型號(hào)
3309A
配件
Model 6238A2 mounting screw (8-32)
相關(guān)型號(hào)
3310A
3316C
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