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加速度传感器中有一种是三轴加速度传感器，同样的它是基于加速度的基本原理去实现工作的，加速度是个空间矢量，一方面，要准确了解物体的运动状态，必须测得其三个坐标轴上的分量；另一方面，在预先不知道物体运动方向的场合下，只有应用三轴加速度传感器来检测加速度信号。由于三轴加速度传感器也是基于重力原理的，因此用三轴加速度传感器可以实现双轴正负90度或双轴0-360度的倾角，通过校正后期精度要高于双轴加速度传感器大于测量角度为60度的情况。三轴加速度传感器的好处就是在预先不知道物体运动方向的场合下，只有应用三维加速度传感器来检测加速度信号。三维加速度传感器具有体积小和重量轻特点，可以测量空间加速度，能够全面准确反映物体的运动性质。
美国Dytran的3413A1是一款IEPE三轴加速度传感器/振动传感器，压电式工作原理，灵敏度5mV/g，重13g，自带4针接头和TEDS，高密封设计应对潮湿和多尘的工作环境。
The Dytran 3413A1 is a case isolated triaxial IEPE accelerometer with a 5 mV/g sensitivity, vertical height of 0.59-inches (15.0-millimeters), an overall weight of 13 grams, and include Transducer Electronic Data Sheet (TEDS; per IEEE 1451.4) capabilities.
Featuring ceramic shear sensing elements packaged in a titanium housing, design of the model 3413A1 incorporates an industry standard 4-pin radial connector and adhesive mounting capabilities. Units are hermetically sealed for reliable operation in high humidity and dirty environments and case isolated to avoid EMI/ground loop interference.
特性
1. 5 mV/g sensitivity
2. 1,000g range
3. 3.3 to 3,000 Hz frequency range (±5%)
4. 4-pin 1/4-28 radial connector
5. Adhesive mount
6. 13 grams
7. Titanium
8. Hermetic
9. Case isolated
10. Triaxial
11. IEEE 1451.4 TEDS capabilities
12. IEPE
应用
1. Modal and structural analysis
模态与结构分析
2. Noise, Vibration and Harshness (NVH)
噪音，振动与不平顺性
3. Product response testing
产品响应试验
4. Squeak & Rattle
5. General purpose triaxial vibration measurements
一般用途三轴振动测量
Weight 0.5 oz 13 grams
Size Length 0.97 inch 24.6 mm
Width 0.59 inch 15.0 mm
Connector [1] Type 4-pin 4-pin
Material Ti-6 AL-4V Ti-6 AL-4V
Housing Material Ti-6 AL-4V Ti-6 AL-4V
Sensing Element Material PiezoElectric
Sensitivity, +/-5% [2] 5 mV/g 0.51 mV/m/s^2
Acceleration Range, ± 1000 Gpeak 9810 m/s^2 peak
Frequency Range, ±5% 3.3-3000 Hz 3.3-3000 Hz -100 -1.9
Frequency Range, ±10% 2.2-5000 Hz 2.2-5000 Hz 0 -0.8
Frequency Range, ±3dB 1.1-10000 Hz 1.1-10000 Hz 75 0
Resonance Frequency >20 kHz >20 kHz 100 0.6
Linearity [3] 1 %F.S. 1 %F.S. 200 1.5
Transverse Sensitivity, Max 6 % 6 % 225 2
Noise floor 0.007 Grms 0.069 m/s^2 rms 320 2.5
Spectral Noise 1Hz 1000 µGrms/sqr(Hz) 9810 µm/s^2 rms/sqr(Hz)
10Hz 500 µGrms/sqr(Hz) 4905 µm/s^2 rms/sqr(Hz)
100Hz 100 µGrms/sqr(Hz) 981 µm/s^2 rms/sqr(Hz)
1000Hz 60 µGrms/sqr(Hz) 589 µm/s^2 rms/sqr(Hz)
10000Hz 50 µGrms/sqr(Hz) 491 µm/s^2 rms/sqr(Hz)
Supply Current Range [4] 2 to 20 mA 2 to 20 mA
Compliance Voltage Range +18 to +30 VDC +18 to +30 VDC
Output Impedance, Typ. 100 Ω 100 Ω
Output Bias Voltage +7.5 to +9.5 VDC +7.5 to +9.5 VDC
0.15 to 0.25 sec 0.15 to 0.25 sec
ENVIRONMENTAL
Shock Max 5000 g pk 49050 m/s^2
Vibration Max 1500 g pk 14715 m/s^2
Operating Temperature -60 to +320 °F -51 to +160 °C
Seal Hermetic Hermetic
Magnetic Sensitivity at 100 Gauss 0.0001 g/Gauss 0.000981 m/s^2/Gauss
Base Strain Sensitivity 0.002 g/µε 0.01962 m/s^2/µε
配件
Recommended Accessories: model 4114B1 current source power unit, model 6273 petro mounting wax
Compatible Cables: 6811A, 6812A, 6824A, 6828A, 6873A, 6925A, 6933A, 6967A, 6997A
订货型号
3413A1
3413A2
