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IEPE是指一種自帶電量放大器或電壓放大器的加速度傳感器。IEPE是壓電集成電路的縮寫。因為由加速度傳感器產(chǎn)生的電量是很小的，因此傳感器產(chǎn)生的電信號很容易受到噪聲干擾，需要用靈敏的電子器件對其進行放大和信號調理。IEPE中集成了靈敏的電子器件使其盡量靠近傳感器以保證更好的抗噪聲性并更容易封裝。
美國Dytran的3311A是一款高頻IEPE加速度傳感器/振動傳感器，靈敏度50mV/g，重量3.3g。
The Dytran 3311A is a low profile, high frequency ring shaped IEPE accelerometer with a 50 mV/g sensitivity and an overall weight of just 3.3 grams.
The accelerometer was designed to reliably operate in temperatures up to +320°F (+160°C) and feature a unique sensing element to ensure greater stability over a wider temperature range. Designed in a lightweight laser welded titanium housing, electrical connection for the Dytran model 3311A is achieved via a specially designed coaxial glass-to-metal sealed 5-44 radial connector. The model 3311A also features a thru hole mounting configuration, allowing the sensor to be turned 360° prior to securing for ease of sensor installation. Units are hermetically sealed for reliable operation in high humidity and dirty environments as well as base isolated, to avoid EMI/ground loop interference.
特性
1. 50 mV/g sensitivity
2. 100g range
3. 2 to 10,000 Hz (±10%)
4. 5-44 radial connector
5. ?.09-inch (2.36-millimeter) thru hole mount
6. 3.3 grams
7. Titanium
8. Hermetic
9. Base isolated
10. 360° cable orientation
11. +320°F (+160°C) operation
12. IEPE
應用
1. Environmental Stress Screening (ESS)
環(huán)境應力篩選
2. Transmission vibration monitoring
傳輸振動監(jiān)測
3. Vibration control
振動控制
Weight 0.12 oz 3.3 grams
Size Height 0.27 Inches 6.7 mm
Connector Side Mounted 5-44 UNF-2A 5-44 UNF-2A
Mounting Provision Thru Hole ?0.09 ? 2.3 mm
Sensing Material LiNbO3 LiNbO3
Sensitivity, ±10% [1] 50 mV/g 5 mV/m/s2
Range F.S for ± 5 Volts Output ±100 g ±981 m/s2
Frequency Response, ±10% 2 to 10000 Hz 2 to 10000 Hz
Resonant Frequency >30 kHz >30 kHz
Equivalent Electrical Noise Floor Max 0.003 Grms 0.03 m/s2 rms
Linearity [2] ± 1% % F.S. ± 1% % F.S.
Maximum Transverse sensitivity 5 % 5 %
Strain Sensitivity @ 250με 0.011 g/με 0.11 m/s2/με
Maximum Vibration ±1000 Gpeak ±9810 m/s2 peak
Maximum Shock ±3000 Gpeak ±29430 m/s2 peak
Temperature Range -60 to+320 °F -51 to 160 °C
Seal, Hermetic Welded/Glass To Metal Welded/Glass To Metal
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 7 to 11 VDC 7 to 11 VDC
Discharge Time Constant 0.8 to 2 Sec 0.8 to 2 Sec
訂貨型號
3311A
配件
1. Model 6165 mounting screw (2-56)
2. Model 4110C current source power unit, model 6167 adhesive mounting base
3. 電纜線：6014A, 6017A, 6021A, 6024A, 6025A, 6028A, 6029A, 6040A, 6056A, 6092A
相關型號
3100D1
3049E
3256A1
3313A2T
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