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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(jìn)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3211A1是一款I(lǐng)EPE加速度傳感器/振動傳感器，靈敏度10 mV/g，自帶10-32接口和#8/M4安裝螺紋孔，低噪。
The Dytran 3211A1 is a lightweight IEPE accelerometer, designed for applications where 360° cable orientation and a low profile design are critical.
Available with a 10 mV/g sensitivity, model 3211A1 incorporates a ceramic shear crystal sensing element for high natural frequency, packaged in a rugged titanium housing. Units are case isolated to avoid EMI/ground loop interference.
The model 3211A1 features a 10-32 radial connector and #8 or M4 thread screw mounting capabilities. The miniature thru hole design allows for the sensor to be turned 360° prior to securing for ease of installation. Units incorporate low noise JFET electronics and are hermetically sealed for reliable performance in high humidity and dirty environments.
特性
1. 10 mV/g sensitivity
2. 500g range
3. 1 to 10,000 Hz frequency range (±5%)
4. 10-32 radial connector
5. ?.17 thru hole mount
6. 10 grams
7. Titanium
8. Hermetically sealed
9. Case isolated
10. 360° cable orientation
11. Low noise JFET electronics
12. IEPE
應(yīng)用
1. Modal analysis
模態(tài)分析
2. Vibration control
振動控制
3. General purpose vibration monitoring
一般用途振動監(jiān)測
Weight 0.35 oz 10 grams
Sensitivity +/- 5% Range for ± 5 Volts Output ± 500 g pk ± 490 m/s2
Frequency Response, ± 5% 1.0 to 10000 Hz 1.0 to 10000 Hz
Resonant Frequency > 31 kHz > 31 kHz
Equivalent Electrical Noise Floor, 1Hz to 10kHz 0.005 g rms 0.049 m/s2 rms
Linearity [2] ± 1% %F.S ± 1% %F.S
Maximum Transverse Sensitivity 5% 5%
Strain Sensitivity @250με 0.04 g/με 0.39 m/s2με
ENVIROMENTAL
Maximum Vibration 500 ±gpk 4905 ± m/s2 pk
Maximum Shock 5000 ±gpk 49050 ± m/s2 pk
Temperature Range -67 to +250 °F -51 to +121 °C
Seal Hermetic Hermetic
Coefficient Of Thermal Sensitivity 0.06 %/°F 0.108 %/°C
Magnetic Sensitivity @ 100 Gauss (0,01 Tesla) 0.004 g/Gauss 392.40 m/s2 /T
ELECTRICAL
Supply Current 2 to 20 mA 2 to 20 mA
Compliance Voltage Range 18 to 30 V 18 to 30 V
Output Impedence, Typ 120 Ω 120 Ω
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
Electrical Isolation [3] 10 GΩ 10 GΩ
訂貨型號
3211A1
3211A2
3211M11 (潛水型，特殊加工定制版)
配件
1. Model 6595 mounting screw (8-32)
2. Model 4110C current source power unit
3. 電纜：6010A, 6011A, 6012A, 6016A, 6018A, 6022A, 6026A, 6032A, 6033A, 6049A, 6050A, 6051A, 6053A, 6054A, 6066A, 6069A, 6093A, 6099A, 6400A, 6401A, 6412A, 6429A, 6924A, 6930A, 6991A
相關(guān)型號
3215M1
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