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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3312A2T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，適用于模態分析實驗。
The Dytran 3312A2T is a unique IEPE piezoelectric accelerometer utilizing an ultra low frequency response while simultaneously featuring a robust, low profile design.
Measuring just 0.73-inches (18.4-millimeters) tall, the Dytran model 3312A2T offers a frequency response of 0.1 to 4,000 Hz. Units incorporate a ceramic shear sensing element, packaged in a hermetically sealed titanium housing weighing 25 grams, and incorporate a 10-32 radial connector and 10-32 mounting hole. Offered with a 100 mV/g sensitivity, the Dytran model 3312A2T incorporates IEEE 1451.4 TEDS capabilities for use in larger channel count applications.
The Dytran model 3312A2T is ideal for use in modal analysis testing where the user needs to measure low-level vibrations but wants to use a piezoelectric accelerometer, as opposed to a DC sensor. Additionally, units are ideal for seismic monitoring where compact size is required.
特性
1. 100 mV/g sensitivity
2. 50g range
0.1 to 4,000 Hz frequency range (±5%)
3. 10-32 radial connector
4. 10-32 tapped hole
5. 25 grams
6. Titanium
7. Hermetically sealed
8. IEEE 1451.4 TEDS capabilities
9. IEPE
應用
1. Modal and structural analysis
模態和結構分析
2. Seismic monitoring
地震監測
3. General purpose low frequency vibration monitoring
一般用途振動監測
Weight, Max. 0.88 oz 25 grams
Sensitivity, ±5% [1] 100 mV/g 10 mV/m/s2
Range for ± 5 Volts Output 50 g 491 m/s2
Frequency Response, ±5% 0.1 to 4000 Hz 0.1 to 4000 Hz
Frequency Response, ±10% 0.06 to 10000 Hz 0.06 to 10000 Hz
Phase Response, Max 0.3 to 0.5 Hz 5.0 deg 5.0 deg
0.5 to 1.0 Hz 3.0 deg 3.0 deg
1 to 1.5 Hz 1.5 deg 1.5 deg
1.5 Hz to 3000 Hz 1.0 deg 1.0 deg
Resonant Frequency > 32 kHz > 32 kHz
Broad Bａnd Resolution 0.0006 G rms 0.0059 m/s2 rms
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 ± 500 Gpeak ± 4905 m/s2 peak
Maximum Shock ± 10000 Gpeak ± 98100 m/s2 peak
Magnetic Sensitivity 0.1 μG/gauss 0.1 μG/gauss
Thermal Transient Sensitivity 0.2 G/°F 0.4 G/°F
Temperature Range -65 to +250 °F -54 to +121 °C
Seal Hermetic Hermetic
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 9 VDC 7 to 9 VDC
Discharge Time Constant > 6.2 Sec > 6.2 Sec
訂貨型號
3312A2T
配件
1. Model 6200 mounting stud (10-32 to 10-32)
2. Model 4110C current source power unit, model 6213 adhesive mounting base, model 6220 isolated mounting stud, model 6258 magnetic mounting base
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
3100D24
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