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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3215M1是一款IEPE加速度傳感器/振動傳感器，靈敏度10 mV/g，自帶10-32接口和10-32螺紋，工作溫度為+149℃。
The Dytran 3215M1 is a lightweight IEPE accelerometer, designed for applications where 360° orientation and a low profile design are critical. Available with a 10 mV/g sensitivity, the accelerometer incorporates a quartz shear crystal sensing element for high natural frequency, packaged in a rugged titanium housing. Units are case isolated to avoid EMI/ground loop interference, and are designed to reliably operate in temperatures up to +300°F (+149°C).
Model 3215M1 features a 10-32 radial connector and thru hole to accommodate a 10-32 screw. The miniature thru hole design allows for the sensor to be turned 360° prior to securing to ease of installation. Units 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. ?.19 thru hole mount
6. 10 grams
7. Titanium
8. Hermetically sealed
9. Case isolated
10. 360° cable orientation
11. Low noise
12. IEPE
應用
1. Environmental Stress Screening (ESS)
環境應力篩選
2. Low profile applications where 360° cable orientation is critical
小范圍應用
3. Vibration control
振動控制
4. General purpose vibration monitoring
一般用途振動監測
Weight, Max 0.35 oz 10 grams
Sensitivity, ±5% [1] 10 mV/g 1.0 mV/m/s2
Range F.S for ± 5 Volts Output ± 500 g ± 4905 m/s2
Frequency Response, ±5% 1 to 10,000 Hz 1 to 10,000 Hz
Resonant Frequency >50 kHz >50 kHz
Equivalent Electrical Noise Floor 0.005 Grms 0.05 m/s2 rms
Low Frequency -3db point 0.300 Hz 0.30 Hz
Low Frequency -5% point 1.000 Hz 1.00 Hz
Linearity [2] ± 1% % F.S. ± 1% % F.S.
Maximum Transverse Sensitivity 5 % 5 %
Strain Sensitivity @ 250με 0.003 g/με 0.03 m/s2/με
ENVIRONMENTAL
Maximum Vibration ± 600 Gpeak ± 5886 m/s2 peak
Maximum Shock ± 5000 Gpeak ± 49050 m/s2 peak
Temperature Range -60 to +300 °F -51 to +149 °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 + 15 to +24 Volts + 15 to +24 Volts
Output Impedance,Typ 120 Ω 120 Ω
Bias Voltage 7.5 to 9.5 VDC 7.5 to 9.5 VDC
Discharge Time Constant 0.5 to 1.5 Sec 0.5 to 1.5 Sec
Electrical Isolation 0.5 to 1.5 Sec 0.5 to 1.5 Sec
10 GΩ, min 10 GΩ, min
訂貨型號
3215M1
配件
1. Model 6902 mounting screw (10-32)
2. Model 4110C current source power unit
3. 電纜線：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
相關型號
3211A1
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