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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3187D是一款I(lǐng)EPE加速度傳感器/振動傳感器，靈敏度500mV/g，頻響低，低至0.48Hz。
The Dytran 3187D is an IEPE accelerometer with a sensitivity of 500 mV/g and an excellent low frequency response of 0.48 Hz.
Design of the model 3187D incorporates an annular shear ceramic sensing element, packaged in a highly rugged stainless steel housing with a 2-pin MIL-C-5015 axial connector. The model 3187D is designed to be directly compatible with the Dytran model 6194 Immersion Proof boot. When used together, the sensor remains fully functional in an IP65 environment. The model 3187D is hermetically sealed for reliable operation in high humidity and dirty environments and case isolated to avoid EMI/ground loop interference.
特性
1. 500 mV/g sensitivity
2. 10g range
3. 0.48 to 1,000 Hz frequency range (±5%)
4. 2-pin axial connector
5. 1/4-28 tapped hole
6. 122 grams
7. Stainless steel
8. Hermetic
9. Case isolated
10. Available with water and oil resistant environmental boot
11. IEPE
應(yīng)用
1. Industrial vibration monitoring
工業(yè)振動監(jiān)測
2. Low frequency vibration measurements
低頻振動測量
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 122 GRAMS
SIZE, HEX x HEIGHT 1.00 x 2.02 IN
MOUNTING PROVISION, (STUD PROVIDED) 1/4-28 TAPPED HOLE IN BASE x .20 DEEP
ELECTRICAL CONNECTOR, TOP MOUNTED MS3102A-10SL-4P 2-PIN MILITARY
MATERIAL CASE/CONNECTOR 316L ST. STEEL
PERFORMANCE
SENSITIVITY +/- 5% [1] 500 mV/G
RANGE FOR +/- 5 VOLTS OUT +/-10 G
FREQUENCY RESPONSE, +/- 5% .48 to 1000 Hz
FREQUENCY RESPONSE, - 3db FREQUENCIES .16 and 3000 Hz
MOUNTED RESONANT FREQUENCY >15 kHz
EQUIVALENT ELECTRICAL NOISE FLOOR (resolution) .00002 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, both models
MAXIMUM VIBRATION 20 G's, RMS
MAXIMUM SHOCK 3000 G's, PEAK
TEMPERATURE RANGE -60 TO +250 oF
ENVIRONMENTAL SEAL GLASS TO METAL/WELDED, HERMETIC
SUBMERSIBLE OPTION--UNIT MAY BE TOTALLY SUBMERGED WHEN USED WITH MODEL 6194 IMMERSION PROOF BOOT.
ELECTRICAL
COMPLIANCE (SUPPLY) VOLTAGE RANGE [2] +18 to +30 VDC
EXCITATION CURRENT RANGE 2 to 10 mA
OUTPUT IMPEDANCE, NOM. 200 OHMS
OUTPUT BIAS VOLTAGE, +/-1 VOLT 12.5 VDC
DISCHARGE TIME CONSTANT 0.9 to 2.0 SEC.
OUTPUT SIGNAL POLARITY FOR ACCELERATION TOWARD TOP POSITIVE GOING
POWER/SIGNAL GROUND TO CASE ISOLATION, MIN. 10 MEGOHMS
訂貨型號
3187D
配件
1. Model 6176 mounting stud (1/4-28 to 1/4-28)
2. Model 4110C current source power unit, model 6186 adhesive mounting base, model 6187 magnetic mounting base, model 6190 magnetic mounting base, model 6194 protective boot
相關(guān)型號
3184E
3185D
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