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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3062A是一款I(lǐng)EPE加速度傳感器/振動傳感器，自帶3針卡口接頭和1/4-28螺紋孔，頻帶廣，適用于大部分的振動測量。
The Dytran 3062A is an IEPE piezoelectric accelerometer expressly designed to cover most wide bａnd frequency vibration measurement points of Rotor, Track and Balance (RTB); airframe; helicopter; and fixed wing aircraft. The industry has commonly referred to these sensors as "spark plug type", due to their similar appearance.
Available with a sensitivity of 10 mV/g, the model 3062A features a hermetically sealed stainless steel construction for use in high humidity and dirty environments, as well as case isolation to avoid EMI/ground loop interference. Units feature an axial mounted military style 3-pin Bayonet connector, 1/4-28 mounting threads and lockwire holes.
特性
1. 10 mV/g sensitivity
2. 500g range
3. 0.48 to 10,000 Hz frequency range (±5%)
4. 3-pin military Bayonet-style axial connector
5. 1/4-28 stud mount
6. 37 grams
7. Stainless steel
8. Hermetically sealed
9. Case isolated
10. Spark-plug shaped accelerometer package
11. IEPE
應(yīng)用
1. Wide-bａnd frequency aircraft/airframe vibration measurements
寬帶頻率飛機(jī)機(jī)身振動測量
2. Health and Usage Monitoring Systems (HUMS)
狀態(tài)和使用監(jiān)控系統(tǒng)
3. Rotor, Track and Balance (RTB)
轉(zhuǎn)子，跟蹤和平衡
4. Transmission vibration measurements
傳動裝置振動測量
5. Commercial and military helicopter vibration monitoring
商用和直升機(jī)振動監(jiān)測
SPECIFICATION VALUE UNITS PHYSICAL
WEIGHT 37 Grams
SIZE, HEX x HEIGHT .750 x 1.4 Inches
MOUNTING PROVISION 1/4-28 x .250 long integral stud
CONNECTOR, AXIALLY MOUNTED, HERMETIC MS3443-H-8-98PN 3-Pin
MATERIAL: HOUSING, BASE, CONNECTOR 300 Series
ELEMENT STYLE Quartz shear
PERFORMANCE
SENSITIVITY, ±5% [1] 10 mV/G
RANGE F.S. FOR ±5 VOLTS OUT ± 500 G's
FREQUENCY RANGE, ±5% 0.48 to 10k Hz ±15% 0.32 to 20k Hz
RESONANT FREQUENCY, NOM. 45 kHz
EQUIVALENT ELECTRICAL NOISE FLOOR .005 G's
RMS LINEARITY [2] ± 1% % F.S.
TRANSVERSE SENSITIVITY, MAX. 5 %
STRAIN SENSITIVITY .003 G’s/ms
ENVIRONMENTAL MAXIMUM VIBRATION/SHOCK 1000/5000 ±G's/G's
PEAK TEMPERATURE RANGE -60 to +305 oF SEAL,
HERMETIC Glass-to-metal and TIG welded
COEFFICIENT OF THERMAL SENSITIVITY .03 %/oF
ELECTRICAL
SUPPLY CURRENT/COMPLIANCE VOLTAGE RANGE [3] 2 to 20/+18 to +30 mA/Volts
OUTPUT IMPEDANCE, TYP. 100 Ohms
BIAS VOLTAGE, +8 VOLTS NOM. +7.5 to +9.5 VDC
DISCHARGE TIME CONSTANT, NOM. 1.0 to 2.0 SEC
OUTPUT SIGNAL POLARITY FOR ACCELERATION TOWARD TOP POSITIVE ELECTRICAL ISOLATION, Ground (Pin B) to Case 10 Megohms, min.
訂貨型號
3062A 機(jī)載型
相關(guān)型號
3062A1機(jī)載型
3062B1 機(jī)載型
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