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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3089A是一款微型IEPE加速度传感器/振动传感器，灵敏度100mV/g，自带电量放大功能。
The Dytran 3089A is a cost effective lightweight IEPE accelerometer, with an overall height of just 0.25 inches (6.5 millimeters) and a weight of 0.6 grams. Offered with a 10 mV/g sensitivity and 500g shock limit, the model 3089A incorporates a quartz crystal sensing element, operating in shear mode.
Model 3089A features a rugged stainless steel construction, integral wires and adhesive mounting. Units hermetically sealed for reliable operation in high humidity and dirty environments.
特性
1. 10 mV/g sensitivity
2. 500g range
3. 1 to 10,000 Hz (±10%)
4. Integral cable
5. Adhesive mount
6. 0.6 grams
7. Stainless steel
8. Hermetic
9. Cost effective
10. IEPE
应用
1. OEM/embedded applications
OEM/嵌入式应用
2. PC board shock testing
印刷电路板冲击试验
3. Shock and vibration testing of small objects
小物品的冲击和振动试验
WEIGHT 0.6 grams
SIZE, DIA x HEIGHT 0.19 x 0.25 inch
MOUNTING adhesive
OUTPUT WIRES integral
WIRE LENGTH variable
HOUSING MATERIAL 300 Series Stainless Steel
PERFORMANCE
SENSITIVITY, ± 5% [1] 10.0 mV/g
RANGE F.S. FOR ± 5 VOLTS OUTPUT ± 500 g
FREQUENCY RANGE, ± 10% 1 to 10000 Hz
RESONANT FREQUENCY >50 kHz
EQUIVALENT ELECTRICAL NOISE FLOOR .0014 g rms
LINEARITY [2] ± 1% % F.S.
TRANSVERSE SENSITIVITY, MAX. 5 %
STRAIN SENSITIVITY (@250με) .012 g/με
ENVIRONMENTAL
MAXIMUM VIBRATION/SHOCK ±600/±3000 g PEAK
TEMPERATURE RANGE -60 to +250 °F
SEAL, HERMETIC welded/gtm header
COEFFICIENT OF THERMAL SENSITIVITY .03 %/°F
ELECTRICAL
SUPPLY CURRENT [3] 2 to 20 mA
COMPLIANCE VOLTAGE RANGE +18 to +30 V
OUTPUT IMPEDANCE, TYP. 100 Ω
BIAS VOLTAGE +7 to +9 VDC
DISCHARGE TIME CONSTANT, NOM. 0.3 to 0.6 Sec
POLARITY (SEE OUTLINE DWG) positive
ELECTRICAL ISOLATION case grounded
配件
Model 4110C current source power unit, model 6273 petro mounting wax
订货型号
3089A
