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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3234A1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10-32螺紋，集成陶瓷剪切感應(yīng)元件。
The Dytran 3234A1 is a single axis IEPE accelerometer, with a unique cubic design and is available with a 10 mV/g sensitivity. Model 3234A1 incorporates a ceramic shear sensing element, packaged in a rugged titanium housing weighing 12 grams. Units are base isolated to avoid EMI/ground loop interference.
Featuring a 10-32 radial connector and 10-32 stud mounting capabilities, 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. 10-32 tapped hole
6. 12 grams
7. Titanium
8. Hermetically sealed
9. Base isolated
10. Low noise JFET electronics
11. IEPE
應(yīng)用
1. Modal analysis
模態(tài)分析
2. Noise, Vibration and Harshness (NVH)
噪音，振動和不平順性
3. Squeak & Rattle
異響檢測
4. General purpose vibration applications
一般用途振動應(yīng)用
WEIGHT 12 grams
SIZE, SQUARE x HEIGHT .50 x 0.62 inches
MOUNTING PROVISION 10-32 X .150 DEEP TAPPED HOLE
CONNECTOR, SIDE MOUNTED 10-32 Coaxial
MATERIAL, BASE, CAP & CONNECTOR TITANIUM
SEISMIC ELEMENT TYPE CERAMIC, PLANAR SHEAR
MODELS
3234A1 3234A2 3234A3
PERFORMANCE
SENSITIVITY, ± 5% [1] 10 100 500 mV/g
RANGE F.S. FOR ± 5 VOLTS OUTPUT ± 500 ±50 ±10 g's
FREQUENCY RANGE, ± 5% (all models) 1 to 10,000 Hz
RESONANT FREQUENCY (all models) >35 kHz
EQUIVALENT ELECTRICAL NOISE .007 .0007 .0002 grms
LINEARITY [2] (all models) ±2 % F.S.
TRANSVERSE SENSITIVITY, MAX. (all models) 5 %
BASE STRAIN SENSITIVITY 0.0028 g’s/μσ
3234A1 3234A2 3234A3
ENVIRONMENTAL
MAXIMUM VIBRATION/SHOCK 600/5000 400/5000 200/5000 ± gpk
TEMPERATURE RANGE -60 to +250 -60 to +225 -60 to +180 °F
SEAL, HERMETIC Glass-to-metal/welded
COEFFICIENT OF THERMAL SENSITIVITY .06 %/°F
ELECTRICAL
SUPPLY CURRENT [3] 2 to 20 mA
COMPLIANCE VOLTAGE RANGE 18 to +30 Volts
OUTPUT IMPEDANCE, TYP. 100 Ω
BIAS VOLTAGE +11 to +13 VDC
DISCHARGE TIME CONSTANT 0.5 to 1.0 Sec
OUTPUT SIGNAL POLARITY Positive
FOR ACCELERATION TOWARD TOP
ELECTRICAL ISOLATION 10MΩ MIN
訂貨型號
型號 | 靈敏度(mV/g) | 量程（g） | 沖擊力（g） | 工作溫度(°F) |
3234A1 | 10 | ± 500 | 5000 | -60 - +250 |
3234A2 | 100 | ± 50 | 5000 | -60 - +225 |
3234A3 | 500 | ± 10 | 5000 | -60 - +180 |
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(guān)型號
3100D24
3255A1
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