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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，其內(nèi)部會產(chǎn)生極化現(xiàn)象，同時在它的兩個表面上產(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，用來檢測拍攝時候的手部的振動，并根據(jù)這些振動，自動調(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3196C是一款高溫型加速度傳感器/振動傳感器，工作溫度高達(dá)260攝氏度，結(jié)構(gòu)堅固，不銹鋼金屬外殼，應(yīng)對工作環(huán)境。
The Dytran 3196C is a high temperature charge mode accelerometer, designed to reliably operate in temperatures up to +500°F (+260°C). Featuring a nominal sensitivity of 8 pC/g, hermetic sealing, and a rugged stainless steel construction, the model 3196C is expressly designed for use in extreme environments. Units are offered with an industry standard tri-bolt mount and radial TNC connector.
特性
1. 8 pC/g sensitivity
2. 2,500 Hz upper frequency range (±5%)
3. TNC radial connector
4. Tri-bolt mount
5. 85 grams
6. Stainless steel
7. Hermetic
8. +500° (+260°C) operation
9. Charge mode
應(yīng)用
1. Engine vibration monitoring
發(fā)動機(jī)振動監(jiān)測
2. Transmission vibration monitoring
傳動裝置振動監(jiān)測
3. Engine nacelle testing
發(fā)動機(jī)機(jī)艙試驗(yàn)
4. High temperature airborne applications
高溫機(jī)載應(yīng)用
SPECIFICATION VALUE UNITS
WEIGHT 85 GRAMS
SIZE , FLANGE X HEIGHT X LENGTH 1.448 FLANGE. DIA x .80 x 2.10 INCHES
MOUNTING PROVISION 3-BOLT PATTERN, 1.188 DIA BOLT CIRCLE
CONNECTOR, COAXIAL, RADIALLY MOUNTED TNC JACK, HERMETIC
CASE /CONNECTOR MATERIAL STAINLESS STEEL, 300 SERIES
PERFORMANCE
SENSITIVITY, ± 1.0 8.0 pC/G
RANGE F.S. 500 G's
FREQUENCY RESPONSE, +/- 5% [1] to 2500 Hz
MOUNTED RESONANT FREQUENCY, NOM. 13 kHz
AMPLITUDE NON-LINEARITY (ZERO BASED BEST FIT ST.LINE METHOD) 2.0 % F.S., MAX.
TRANSVERSE SENSITIVITY, MAX. 5 PERCENT
STRAIN SENSITIVITY .012 G's PER MICROSTRAIN @ 250/ms
ENVIRONMENTAL
MAXIMUM VIBRATION ±1000 G's,
MAXIMUM SHOCK 2000 G's, PEAK
TEMPERATURE RANGE -65 TO +500 oF
THERMAL SENSITIVITY COEFFICIENT .02 %/oF
SEAL WELDED/CERAMIC TO METAL HERMETIC
ELECTRICAL
CAPACITANCE, NOM. 190 pF
訂貨型號
3196C
配件
Model 6535 mounting screws (8-32)
相關(guān)型號
5310M1
3309A
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