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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生的電量是很小的，因此傳感器產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3148E是一款防潮型加速度傳感器/振動傳感器，靈敏度100mV/g，低頻，低至0.5Hz。
The Dytran 3148E is a highly rugged IEPE accelerometer with a 100 mV/g sensitivity and low frequency vibration measurement capabilities down to 0.5 Hz.
Design of the model 3148E incorporates a ceramic shear sensing element packaged in a stainless steel housing, incorporating a radial BNC connector and 10-32 mounting hole. The model 3148E is also hermetically sealed for reliable operation in high humidity and dirty environments and base isolated to avoid EMI/ground loop interference.
特性
1. 100 mV/g sensitivity
2. 50g range
3. 0.5 to 5,000 Hz frequency range (±5%)
4. BNC radial connector
5. 10-32 tapped hole
6. 48 grams
7. Stainless steel
8. Hermetic
9. Base isolated
10. IEPE
應用
1. Industrial vibration monitoring
工業振動監測
2. Walkabout data collection
徒步旅行數據收集
3. General purpose vibration monitoring
一般用途振動監測
Weight, Max 1.7 oz 48 grams
Mounting Provision Tapped 10-32 Hole Tapped 10-32 Hole Notes:
Material, Housing/Connector 300 Series S.S. 300 Series S.S.
Sensitivity, ±2% [1] 100 mV/g 10 mV/m/s2
Range for ± 5 Volts Output ±50 g ±491 m/s2
Frequency Response, ± 5% 0.5 to 5000 Hz 0.5 to 5000 Hz
Resonant Frequency > 26 kHz > 26 kHz
Broad Bａnd Resolution 0.0007 Grms 0.007 m/s2 rms
Linearity [2] ±2 % F.S. ±2 % F.S.
Maximum Transverse Sensitivity 5 % 5 %
Strain Sensitivity @ 250με 0.001 g/με 0.01 m/s2/με
Maximum Vibration ±600 Gpeak ±5886 m/s2 peak
Maximum Shock ±3000 Gpeak ±29430 m/s2 peak
Temperature Range -60 to +250 °F -51 to +121 °C
Supply Current Range 2 to 20 mA
Compliance Voltage Range +18 to +30 Volts +18 to +30 Volts
Output Impedence, Max 150 Ω 150 Ω
Bias Voltage +11 to +13 VDC +11 to +13 VDC
Discharge Time Constant 0.9 to 2.0 Sec 0.9 to 2.0 Sec
Electrical Isolation 10 GΩ,min 10 GΩ,min
訂貨型號
3148E
配件
1. Model 6200S mounting stud (10-32 to 10-32), (1) model 6292 thermal boot
2. Model 4110C current source power unit, model 6190 magnetic mounting base
3. 電纜：6020A
相關型號
3059A
3202A
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