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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(diào)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3217AA是一款I(lǐng)EPE加速度傳感器/振動傳感器，自帶10集成電纜線，可在水下175psi環(huán)境下正常工作。
The Dytran 3217A is a low profile IEPE accelerometer with a 100 mV/g sensitivity, weighing just 5 grams. The sensor features a factory molded urethane boot and a 10-foot integral urethane cable, for reliable operation in water depths to 175 psi.
Sensor design incorporates a ceramic shear sensing element for high natural frequency, along with low noise electronics, encased in a rugged lightweight titanium housing. The sensor is base isolated to avoid EMI/ground loop interference and is offered with adhesive mounting capabilities. Units are hermetically sealed for reliable operation in high humidity and dirty environments.
特性
1. 100 mV/g sensitivity
2. 50g range
3. 1 to 10,000 Hz frequency range (±10%)
4. 10-foot integral cable
5. Adhesive mount
6. 5 grams
7. Hermetic
8. Base isolated
9. Lightweight
10. Low noise
11. Submersible to 175 psi
12. IEPE
應(yīng)用
General purpose vibration measurements in underwater environments
通用水下振動測量
Weight, Less Cable, Max 0.18 oz 5 grams Supplied Accessories:
Mounting Provision Adhesive Adhesive
Material, Housing Titanium Alloy Titanium Alloy
Sensitivity, ±10% [1] 100 mV/g 10.19 mV/m/s2
Range F.S for ± 5 Volts Output 50 g 490.00 m/s2
Frequency Range, ±10% 1 to 10000 Hz 1 to 10000 Hz
Resonant Frequency > 30 kHz > 30 kHz
Equivalent Electrical Noise Floor 0.007 Grms 0.069 m/s2 rms
Linearity [1] ± 2% % F.S. ± 2% % F.S.
Maximum Transverse Sensitivity 5 % 5%
Strain Sensitivity, Max 0.004 g/με 0.04 m/s2/µε
Maximum Vibration ±1000 G's,peak ±5886 m/s2 peak
Maximum Shock 3000 G's,peak ±29430 m/s2 peak
Temperature Range -60 to+250 °F -54 to +121 °C
Seal, Accelerometer Hermetic Hermetic
Supply Current Range [4] 2 to 20 mA 2 to 20 mA
Compliance Voltage Range + 18 to +30 Volts + 18 to +30 Volts
Output Impedance, Nom 100 ? 100 ?
Bias Voltage +11 to +13 VDC +11 to +13 VDC
Discharge Time Constant 0.8 to 2.0 Sec 0.8 to 2.0 Sec
Output Signal Polarity for Acceleration Towards Top Positive Positive
Electrical Isolation, Case Ground to Mounting Surface 10 G?,min 10 G?,min
訂貨型號
3217A
配件
Recommended Accessories: model 4110C current source power unit
相關(guān)型號
3211M11
3243A
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