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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3185D是一款I(lǐng)EPE加速度傳感器/振動傳感器，內(nèi)建靜電屏蔽，防噪防靜電，低頻響，靈敏度100mV/g。
The Dytran 3185D is a highly rugged IEPE accelerometer with a built-in Faraday shield for electrostatic noise immunity, a sensitivity of 100 mV/g and excellent low frequency response.
Design of the model 3185D incorporates a ceramic shear sensing element, packaged in a stainless steel housing with a TNC axial connector and 1/4-28 stud mounting capabilities. The model 3185D is designed to be directly compatible with the Dytran model 6185 Immersion Proof boot. When used together, the sensor remains fully functional in an IP65 environment. The model 3185D is hermetically sealed for reliable operation in high humidity and dirty environments and base isolated to avoid EMI/ground loop interference.
特性
1. 100 mV/g sensitivity
2. 50g range
3. 2 to 10,000 Hz frequency range (±10%)
4. TNC axial connector
5. 1/4-28 tapped hole
6. 55 grams
7. Stainless steel
8. Hermetic
9. Base isolated
10. Internal Faraday shield
11. Available with water and oil resistant environmental boot
12. IEPE
應(yīng)用
1. Industrial vibration monitoring
工業(yè)振動監(jiān)測
2. Slow rotating machinery monitoring
慢速旋轉(zhuǎn)機械監(jiān)控
3. Walkabout data collection
徒步旅行數(shù)據(jù)收集
4. General purpose vibration monitoring
一般用途振動監(jiān)測
WEIGHT 55 GRAMS
SIZE (HEX x HEIGHT) .75 x 1.67 INCHES
MOUNTING PROVISION 1/4-28, UNF-2B TAPPED HOLE AT BOTTOM
CONNECTOR, COAXIAL, TOP MOUNTED TNC, HERMETIC
CASE /CONNECTOR MATERIAL 316L STAINLESS STEEL
SENSING ELEMENT TYPE PLANAR SHEAR, CERAMIC
PERFORMANCE
SENSITIVITY, +/- 5% 100 mV/G
RANGE F.S. FOR +/- 5 VOLTS OUT +/- 50 G's
FREQUENCY RESPONSE, +/- 10% 2 (120) to 10,000 (600,000) Hz(CPM)
MOUNTED RESONANT FREQUENCY >25 kHz
EQUIVALENT ELECTRICAL NOISE (RESOLUTION) .001 G, RMS
AMPLITUDE NON-LINEARITY (ZERO BASED BEST FIT ST.LINE METHOD) 2.0 % F.S., MAX.
TRANSVERSE SENSITIVITY, MAX. 5 PERCENT
STRAIN SENSITIVITY .001 G's PER MICROSTRAIN @ 250/??
ENVIRONMENTAL
MAXIMUM VIBRATION 100 G's, RMS
MAXIMUM SHOCK 3000 G's, PEAK
TEMPERATURE RANGE -60 TO +250 oF
ENVIRONMENTAL SEAL HERMETIC
ELECTRICAL
EXCITATION (COMPLIANCE) VOLTAGE RANGE +18 to +30 VDC
EXCITATION CURRENT RANGE 2 to 20 mA
OUTPUT IMPEDANCE, NOM. 100
OHMS
OUTPUT BIAS VOLTAGE 11 to 13 VDC
DISCHARGE TIME CONSTANT 0.9 to 2.0 SEC.
OUTPUT SIGNAL POLARITY FOR ACCELERATION TOWARD TOP POSITIVE-GOING
訂貨型號
3185D
配件
1. Model 6176 mounting stud (1/4-28 to 1/4-28)
2. Model 4110C current source power unit, model 6185 protective boot, model 6186 adhesive mounting base, model 6187 magnetic mounting base, model 6190 magnetic mounting base
3. 電纜線：6086A, 6087A, 6090A, 6091A, 6404A, 6405A, 6410A
相關(guān)型號
3184E
3187D
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