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联系方式 ： 13352927502
IEPE是指一种自带电量放大器或电压放大器的加速度传感器。IEPE是压电集成电路的缩写。因为由加速度传感器产生的电量是很小的，因此传感器产生的电信号很容易受到噪声干扰，需要用灵敏的电子器件对其进行放大和信号调理。IEPE中集成了灵敏的电子器件使其尽量靠近传感器以保证更好的抗噪声性并更容易封装。
美国Dytran的3191A是一款IEPE加速度传感器/振动传感器，内建静电屏蔽，防噪防静电，频响低至0.08Hz，自带电量放大器。
The Dytran 3191A is an IEPE piezoelectric accelerometer with built-in Faraday shield for electrostatic noise immunity, excellent low frequency response of 0.08 Hz and the capability to resolve vibrations as low as 0.000001 g's RMS.
Available with a sensitivity of 5 V/g, design of the model 3191A incorporates an annular shear ceramic sensing element, packaged in a highly rugged stainless steel housing with a 2-pin MIL-C-5015 axial connector and 1/4-28 mounting hole. The model 3191A was designed to be directly compatible with the Dytran model 6194 Immersion Proof sealing boot (sold separately). When used together, the sensor remains fully functional in an IP65 environment. The sensors are hermetically sealed for reliable operation in high humidity and dirty environments and case isolated to avoid EMI/ground loop interference.
特性
1. 5,000 mV/g sensitivity
2. 1g range
3. 0.08 to 1,000 Hz frequency range (±5%)
4. 2-pin axial connector
5. 1/4-28 tapped hole
6. 775 grams
7. Stainless steel
8. Hermetic
9. Case isolated
10. Internal Faraday shield
11. Available with water and oil resistant environmental boot
12. IEPE
应用
1. Bridge monitoring
桥梁监测
2. Low frequency vibration measurements
低频振动测量
3. Modal analysis of large structures
大物体模态分析
4. Seismic monitoring
抗震监测
Weight, Max 27 oz 775 grams
Connector Type 2 -PIN, MIL-C-5015-10SL-4P 2 -PIN, MIL-C-5015-10SL-4P
Material, Housing/Connector 300 SERIES 300 SERIES
Sensing Element CERAMIC CERAMIC
Sensitivity, ±5% [1] 5 V/G 1 V/m/s2
Range for ± 5 Volts Output 1 G peak 10 m/s2
Frequency Response, ±5% 0.08 to 1000 Hz 0.08 to 1000 Hz
Resonant Frequency > 8 kHz > 8 kHz
Broad Band Resolution 0.000012 G rms 0.00012 m/s2 rms
Linearity [2] ± 2 % F.S. ± 2 % F.S.
Maximum Transverse sensitivity 5 % 6 %
Strain Sensitivity @ 250με 0.001 G/με 0.01 m/s2/με
Coefficient of Thermal Sensitivity 0.07 %/°F 0.14 %/°C
ENVIRONMENTAL
Maximum Vibration 50 G peak 491 m/s2 peak
Maximum Shock 100 G peak 981 m/s2 peak
Operating Temperature Range -60 to +225 °F -51 to 107 °C
Seal HERMETIC HERMETIC
ELECTRICAL
Supply Current Range [3] 2 to 20 mA 2 to 20 mA
Compliance Voltage Range +18 to +30 Volts +18 to +30 Volts
Output Impedence,Typ 100 Ω 100 Ω
Bias Voltage +11 to +13 VDC +11 to +13 VDC
Discharge Time Constant 4 to 7 Sec 4 to 7 Sec
Electrical Isolation 10 GΩ,min 10 GΩ,min
订货型号
3191A 工业型
3191A1 工业型
配件
1. Model 6176 mounting stud (1/4-28 to 1/4-28)
2. Model 4110C current source power unit, model 6187 magnetic mounting base, model 6190 magnetic mounting base, model 6194 protective boot
3. 电缆：6038A, 6080A, 6082A, 6406A, 6407A, 6459A
