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IEPE是指一种自带电量放大器或电压放大器的加速度传感器。IEPE是压电集成电路的缩写。因为由加速度传感器产生的电量是很小的，因此传感器产生的电信号很容易受到噪声干扰，需要用灵敏的电子器件对其进行放大和信号调理。IEPE中集成了灵敏的电子器件使其尽量靠近传感器以保证更好的抗噪声性并更容易封装。
美国Dytran的3049E是一款IEPE加速度传感器/振动传感器，灵敏度10mV/g，上行频响为10000Hz，钛合金外壳，应对潮湿和多尘的恶劣工作环境。
The Dytran 3049E is a general purpose IEPE accelerometer, available with a sensitivity of 10 mV/g and an upper frequency response of 10,000 Hz. Featuring a ceramic shear sensing element packaged in a lightweight titanium housing, model 3049E is hermetically sealed for reliable operation in high humidity and dirty environments and base isolated to avoid EMI/ground loop interference.
Model 3049E is part of the 3049E series of accelerometers, which offer the same high reliability performance with various mounting options. The Dytran models 3049E and 3049E2 feature a 10-32 mounting stud, while models 3049E1 and 3049E3 offer adhesive mounting capabilities.
特性
1. 10 mV/g sensitivity
2. 500g range
3. 1 to 10,000 Hz frequency range (±5%)
4. 10-32 axial connector
5. 10-32 stud mount
6. 3.3 grams
7. Titanium
8. Hermetically sealed
9. Base isolated
10. Lightweight
11. IEPE
应用
1. Modal and structural analysis
2. Vibration control
3. General purpose vibration monitoring
WEIGHT, MAX. 3049E, 3049E2 4.2 grams
3049E1, 304E3 3.5 grams
SIZE, HEX x HEIGHT (all models) .44 x .57 inches
MOUNTING PROVISION 3049E, 3049E2 10-32 integral stud x .15 inch
3049E1, 3049E3 adhesive
CONNECTOR, TOP MOUNTED 10-32 coaxial
MATERIAL, BASE, CAP & CONNECTOR titanium alloy
SEISMIC ELEMENT TYPE ceramic, annular shear
PERFORMANCE 3049E 3049E1 3049E2 3049E3
SENSITIVITY, ± 5% [1] 10 10 100 100 mV/g
RANGE F.S. FOR ± 5 VOLTS OUTPUT ± 500 ±500 ±50 ±50 g
FREQUENCY RANGE, ± 5% (all models) 1 to 10,000 Hz
RESONANT FREQUENCY >35 kHz
EQUIVALENT ELECTRICAL NOISE, MAX .003 .003 .0008 .0008 grms
BASE STRAIN SENSITIVITY .004 .004 .004 .004 g/μƐ
LINEARITY [2] (all models) ±2 % F.S.
TRANSVERSE SENSITIVITY, MAX. (all models) 5 %
ENVIRONMENTAL 3049E 3049E1 3049E2 3049E3
MAXIMUM VIBRATION 600 600 200 200 g pk
MAXIMUM SHOCK (all models) 5000 g pk
TEMPERATURE RANGE min -60 -60 -60 -60 °F
max 250 250 212 212 °F
SEAL, HERMETIC (all models) 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 1.2 Sec
OUTPUT SIGNAL POLARITY positive
FOR ACCELERATION TOWARD TOP
ELECTRICAL ISOLATION, MIN 10 MΩ
订货型号
3049E1
3049E2
3049E3
配件
Model 4110C current source power unit
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
