目錄:深圳市漢斯福特科技有限公司>>加速度傳感器>> 3085C 高溫型加速度傳感器
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更新時(shí)間：2024-06-26 17:07:40瀏覽次數(shù)：129評(píng)價(jià)
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壓電式加速度傳感器，又稱(chēng)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(chēng)為“壓電效應(yīng)"，具有“壓電效應(yīng)"的晶體稱(chēng)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(pán)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(lái)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(chē)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3085C是一款高溫型加速度傳感器/振動(dòng)傳感器，靈敏度輸出10 pC/g，具有體積小，結(jié)構(gòu)堅(jiān)固，高密封，耐高溫等特點(diǎn)，工作溫度高達(dá)316攝氏度。
The Dytran 3085C is a single axis high temperature differential output accelerometer with 10 pC/g sensitivity, designed to measure surface vibration at temperatures up to +600°F (+316°C). This piezoelectric charge mode accelerometer features a case isolated design with a hermetically sealed stainless steel housing and incorporates a ceramic crystal operating in compression mode.
Model 3085C offers an industry standard tri-bolt mounting flange and a transverse mounted glass-to-metal sealed 2-pin electrical connector.
特性
1. 10 pC/g sensitivity
2. 2,500 Hz upper frequency range (±5%)
3. 2-pin radial connector
4. Tri-bolt mount
5. 75 grams
6. Stainless steel
7. Hermetic
8. Case isolated
9. +600°F (+316°C) operation
10. Differential output
11. Charge mode
應(yīng)用
1. Turbine vibration measurements
渦輪機(jī)振動(dòng)測(cè)量
2. General purpose vibration monitoring in high temperature and harsh environments
高溫和惡劣環(huán)境下的振動(dòng)監(jiān)控
WEIGHT 75 grams
SIZE , FLANGE X HEIGHT X LENGTH 1.448 FLANGE. DIA x .80 x 2.10 inch
MOUNTING PROVISION 3-BOLT PATTERN, 1.188 DIA BOLT CIRCLE
CONNECTOR, SIDE MOUNTED 2-PIN, 7/16-27 UNS-2A SHELL
CASE /CONNECTOR MATERIAL 304L
PERFORMANCE
SENSITIVITY, ± 2.0 (NOM) 10 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 %
STRAIN SENSITIVITY @ 250/με .012 g/με
ENVIRONMENTAL
MAXIMUM VIBRATION ±1000 g,
MAXIMUM SHOCK 2000 g pk
TEMPERATURE RANGE -65 TO +600 °F
THERMAL SENSITIVITY COEFFICIENT <.005 %/°F
SEAL WELDED/CERAMIC TO METAL
HERMETIC
ELECTRICAL
CAPACITANCE, ±20%. PIN A-B 380 pF
OUTPUT SIGNAL POLARITY FOR ACCELERATION TOWARD TOP SEE INSTALLATION DRAWING
CAPACITIVE MISMATCH, DIFFERENCE FROM EACH PIN TO HOUSING 2 MAX pF
訂貨型號(hào)
3085C
配件
1. Model 6535 mounting screws (8-32)
2. Compatible Cables: 6838A, 6845A
相關(guān)型號(hào)
3030C1
3220C1
3225E
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