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13352927502
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13352927502
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產(chǎn)品簡介
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?yàn)橛杉铀俣葌鞲衅鳟a(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3237A2是一款I(lǐng)EPE加速度傳感器/振動傳感器，頻帶寬，25 mV/gd的靈敏度，不銹鋼架構(gòu)，應(yīng)對高度超市和多塵工作環(huán)境。
The Dytran 3237A2 is an IEPE piezoelectric accelerometer expressly designed to cover most wide-bａnd frequency 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 25 mV/g, the Dytran model 3237A2 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 D38999 connector, 1/4-28 mounting thread and lockwire holes.
特性
1. 25 mV/g sensitivity
2. 200g range
3. 0.48 to 10,000 Hz frequency range (±5%)
4. 3-pin D38999 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)測系統(tǒng)
3. Rotor, Track and Balance (RTB)
轉(zhuǎn)子，跟蹤和平衡
4. Transmission vibration measurements
傳動振動測量
Weight 1.30 oz 37 grams
Sensitivity, ±5% [2] 25 mV/g 2.55 mV/m/s2
Range F.S for ± 5 Volts Output ±200 G's ±1962 m/s2
Frequency Range 0.48
eque cy a ge ±5% 10000 Hz 0.48 to 10000 Hz
±15% 0.32 to 20000 Hz 0.32 to 20000 Hz
Resonant Frequency, Nominal >30 kHz >30 kHz
Equivalent Electrical Noise Floor 0.009 Grms 0.088 m/s2 rms
Linearity [3] ± 1% % F.S. ± 1% % F.S.
Maximum Transverse sensitivity 5 % 5 %
Strain Sensitivity 0.002 g/μσ 0.02 m/s2/μσ
ENVIRONMENTAL
Maximum Vibration ±600 Gpeak ±5886 m/s2 peak
Maximum Shock ±3000 Gpeak ±29430 m/s2 peak
Temperature Range -60 to+305 °F -54 to+152 °C
Seal Hermetic Hermetic
ELECTRICAL
Supply Current Range [4] 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 +7.5 to +9.5 VDC +7.5 to +9.5 VDC
Discharge Time Constant, Nom 1 to 2 Sec 1 to 2 Sec
訂貨型號
3237A2
配件
model 6989A
相關(guān)型號
3062A
3062A1
3062B1
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