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13352927502
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13352927502
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產(chǎn)品簡(jiǎn)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(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3235C1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50pC/g，工作溫度高達(dá)+287℃。
The Dytran 3235C1 is a high temperature differential output accelerometer, offering extreme stability over a wide operating temperature range. Offered with a 50 pC/g sensitivity, model 3235C1 is unique in that it offers high charge sensitivity while simultaneously offering a balanced differential output.
Featuring a transverse mounted glass-to-metal sealed 2-pin radial connector and an industry standard tri-bolt mount, the Dytran model 3235C1 can reliably operate in temperatures up to +550°F (+287°C). Accelerometers are packaged in a stainless steel housing, hermetically sealed for reliable operation in high humidity and dirty environments, and case isolated to avoid EMI/ground loop interference.
特性
1. 50 pC/g sensitivity
2. 10,000 Hz upper frequency range (±15%)
3. 2-pin radial connector
4. Tri-bolt mount
5. 69 grams
6. Stainless steel
7. Hermetic
8. Case isolated
9. Differential output
10. High sensitivity
11. +550°F (+287°C) operation
12. Charge mode
應(yīng)用
1. High temperature industrial vibration monitoring
高溫工業(yè)振動(dòng)監(jiān)測(cè)
2. High temperature turbine vibration measurements
高溫渦輪機(jī)振動(dòng)測(cè)量
3. General purpose high temperature monitoring
通用高溫監(jiān)測(cè)
Weight, Max 1.9 oz 69 grams
Weight, Max 1.9 oz 69 grams Notes:
Size Length 1.65 inch 42.11 mm Height 1.03 inch 26.16 mm
Mounting, Three-hole Diameter 1.19 inch 30.23 mm
Housing Material 304L 304L Time Constants
Isolation Pins to Housing 10GΩ MIN 10GΩ MIN [
Sensitivity [2]+/-5% 50 pC/g 5.10 pC/m/s2
Acceleration Range [3] Gpeak [3] m/s2 peak
Frequency Range, ±15% [4] - 10,000 Hz [4]- 10,000 Hz
Resonance Frequency 35 kHz 35 kHz -60 -1
Transverse Sensitivity 5 % 5 % 0 0
Insulation Resistance (75°F) 250 GΩ 250 GΩ 100 0
Insulation Resistance (400°F) 10 GΩ 10 GΩ 200 0
Insulation Resistance (450°F) 100 MΩ 100 MΩ 300 0
Insulation Resistance (550°F)[5] 15 MΩ 15 MΩ 500 0.5
Operating Temperature -60 to 550 °F -51 to 287 °C
Capacitance, pin to pin 3200 pF 3200 pF
Unbalance between pins <2 pF <2 pF
Linearity 1 % 1 %
ENVIRONMENTAL
Shock, MAX 2000 g pk 19620 m/s2
Vibration, MAX 1000 g pk 9810 m/s2
Seal Hermetic Hermetic
Magnetic Sensitivity at 100 Gauss 0.000008 g/Gauss 0.000078 m/s2/Gauss
Base Strain Sensitivity 0.09 g/με 0.88 m/s2/με
訂貨型號(hào)
3235C1 高溫型
3235C2 高溫型
3235C3 高溫型
配件
1. Model 6535 mounting screws (8-32)
2. Compatible Cables: 6838A, 6845A
相關(guān)型號(hào)
3196C
3218C
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