3315A机载型加速度传感器

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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

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更新时间：2024-06-26

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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3315A是一款单轴IEPE加速度传感器/振动传感器，专门为状态与使用监控系统和主动振动控制而设计，适用于商用和飞行器的振动测量。

The Dytran 3315A is a single axis IEPE accelerometer designed for use in Health and Usage Monitoring Systems (HUMS) as well as Active Vibration Control (AVC) applications typically found on commercial and military aircraft.

Offered with a 250g range and 20 mV/g sensitivity, the Dytran model 3315A has an upper frequency response of 10,000 Hz. As an IEPE sensor the model 3315A features built-in electronics, eliminating the need for an external charge amplifier and converter. Design of the model 3315A features low noise JFET electronics packaged in a compact, rugged, stainless steel housing with a radial 2-pin military Bayonet-style connector and 1/4-28 mounting stud.

The Dytran model 3315A features internal case ground isolation to avoid EMI/ground loop interference and hermetic sealing, for reliable operation in high humidity and dirty environments. With its durability, compact size and mounting characteristics, the Dytran model 3315A is ideally suited for a variety of high frequency aircraft/airframe vibration measurements.

特性

1. 20 mV/g sensitivity

2. 250g range

3. 0.5 to 10,000 Hz frequency range (±3dB)

4. 2-pin military Bayonet-style radial connector

5. 1/4-28 tapped hole

6. 49 grams

7. Stainless steel

8. Hermetically sealed

9. Case isolated

10. Low noise JFET electronics

11. Low profile design

12. IEPE

应用

1. Active Vibration Control (AVC)

主动振动控制

2. Health and Usage Monitoring Systems (HUMS)

状态和使用振动监测系统

3. Permanent or walk-around vibration monitoring of rotating machinery

旋转机械的振动监测

4. Rotor, Track and Balance (RTB)

转子，跟踪和平衡

Weight 1.72 oz 49.0 grams

Sensitivity, ±15% [1] 20 mV/g 2 mV/m/s2

Range for ± 5 Volts Output 250 g 2453 m/s2

Frequency Response, ± 3db 0.5 to 10000 Hz 0.5 to 10000 Hz

Resonant Frequency >28 kHz >28 kHz

Broad Bａnd Resolution 0.00075 Grms 0.007 m/s2 rms

Linearity [2] ±1 % F.S. ±1 % F.S.

Maximum Transverse sensitivity 5 % 5 %

Strain Sensitivity @ 250με 0.003 g/με 0.03 m/s2/με

SENSITIVITY DEVIATION (%)

Maximum Vibration 500 Gpeak 4905 m/s2 peak

Maximum Shock 5000 Gpeak 49050 m/s2 peak

Temperature Range -60 to +250 °F -51 to +121 °C

Seal HERMETIC HERMETIC

ELECTRICAL

Supply Current Range [3] 2 to 20 mA 2 to 20 mA

Compliance Voltage Range +20 to +30 Volts +20 to +30 Volts

Output Impedance, Max 150 Ω 150 Ω

Bias Voltage 8 to 12 VDC 8 to 12 VDC

Discharge Time Constant 0.5 to 0.8 Sec 0.5 to 0.8 Sec

订货型号

3315A

配件

Model 6176 mounting stud (1/4-28 to 1/4-28)

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

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