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压电式加速度传感器，又称振动传感器，是基于压电晶体的压电效应工作的。某些晶体在一定方向上受力变形时，其内部会产生极化现象，同时在它的两个表面上产生符号相反的电荷；当外力去除后，又重新恢复到不带电状态，这种现象称为“压电效应”，具有“压电效应”的晶体称为压电晶体。常用的压电晶体有石英、压电陶瓷等，在现代生产生活中被应用于许许多多的方面，如手提电脑的硬盘抗摔保护，目前用的数码相机和摄像机里，也有加速度传感器，用来检测拍摄时候的手部的振动，并根据这些振动，自动调节相机的聚焦。压电加速度传感器还应用于汽车安全气囊、防抱死系统、牵引控制系统等安全性能方面。
美国Dytran的5310M1是一款高温型加速度传感器/振动传感器，具有体积小、结构坚固，高密封、耐高温等特点，最大工作温度高达260℃，适用于环境应力筛选和高加速寿命测试。
The Dytran 5310M1 is a high temperature vibration measurement system designed for use in Environmental Stress Screening (ESS) and Highly Accelerated Life Testing and Highly Accelerated Stress Screening (HALT/HASS). The system combines (1) model 3030C1 high temperature charge mode accelerometer, (1) model 6019B10 low noise 10-foot cable assembly (10-32 to BNC) and (1) model 4705M13 in-line charge amplifier.
Due to its rugged, lightweight, hermetically sealed design, all stainless steel construction, and reliable high temperature operation to +500°F (+260°C), the Dytran model 3030C1 high temperature sensor has because the industry’s charge mode accelerometer of choice for test laboratory environments.
特性
1. 10 mV/g sensitivity
2. 500g range
3. 10-foot removable cable assembly
4. 10-32 stud mount
5. 6.8 grams (accelerometer weight)
6. 40 grams (charge amplifier weight)
7. Stainless steel
8. Hermetic
9. +500°F (+260°C) operation
10. System incldues (1) model 3030C1 charge mode acceleormeter, (1) model 6019B10 low noise cable assembly (10-32 to BNC), (1) model 4705M13 in-line charge amplifier
11. Charge mode
应用
1. Environmental Stress Screening (ESS)
环境应力筛选
2. HALT/HASS
高加速寿命试验和高加速应力筛选
3. Vibration control
振动控制
WEIGHT, accelerometer 6.8 grams
WEIGHT, charge amplifier 40 grams
MOUNTING PROVISION, integral stud 10-32
CABLE LENGTH, from accel to charge amplifier 10 feet
CABLE TYPE low noise coaxial
CHARGE AMPLIFIER CONNECTOR BNC JACK
MATERIAL, ACCELEROMETER 316L CRES
PERFORMANCE (SYSTEM)
SENSITIVITY [1] ±10% 10 mV/g
RANGE F.S. FOR ± 5 VOLTS OUTPUT ± 500 gpk
FREQUENCY RANGE, ± 5% 10 to 10,000 Hz
RESONANT FREQUENCY, NOM. 30 kHz
LINEARITY [2] ± 2% % F.S.
TRANSVERSE SENSITIVITY, MAX. 5 %
ENVIRONMENTAL
MAXIMUM VIBRATION 600 g pk
MAXIMUM SHOCK 3000 g pk
TEMPERATURE RANGE (ACCELEROMETER) -100 to +400 °F
-73 to 260 °C
TEMPERATURE RANGE (CHARGE AMPLIFIER) -50 to +185 °F
-46 to 85 °C
SEAL, (ACCELEROMETER & CHG. AMP) HERMETIC Ceramic-to-metal and laser welded
COEFFICIENT OF THERMAL SENSITIVITY .03 %/°F
ELECTRICAL
SUPPLY CURRENT [3] 2 to 20 mA
COMPLIANCE VOLTAGE RANGE +14 to +30 Volts
OUTPUT IMPEDANCE, TYP. 100 Ω
BIAS VOLTAGE +8 TO +12 VDC
DISCHARGE TIME CONSTANT 0.05 – 0.2 Sec
订货型号
5310M1 高温型
5310M2 高温型
配件
1. Model 3030C1 high temperature accelerometer, (1) model 6019B10 low noise cable assembly (10-32 to BNC), (1) model 4705M13 in-line charge amplifier (10 mV/g)
2. Model 4110C current source power unit
