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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3583BT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500mV/g，重27g，频响低至0.25Hz，信噪比优异，集成陶瓷剪切感应元件。
The Dytran 3583BT is an IEPE triaxial accelerometer with a high sensitivity of 500 mV/g. Design of the model 3583BT incorporates miniature ceramic shear mode sensing elements, mounted to a single support and packaged in a welded titanium housing for a total weight of 27 grams.
Dytran 3583BT offers a low end frequency response of 0.25 Hz for excellent phase response at low frequencies. Units also have an electrical noise floor of 0.0002 g RMS, which allows for its excellent signal-to-noise ratio.
Units feature an industry standard 4-pin radial connector and stud mount and is epoxy sealed for reliable operation in dirty environments.
特性
1. 500 mV/g sensitivity
2. (±) 10g range
3. .25 to 4,000 Hz frequency range (±10%)
4. 4-pin Dytran designed 1/4-28 radial connector
5. Stud mount
6. Isolated
7. 27 grams
8. Epoxy seal
9. Triaxial
10. IEPE
应用
1. Modal and structural analysis
模态与结构分析
2. Noise, Vibration and Harshness (NVH)
噪音，振动和不平顺性
3. Squeak & Rattle
4. Vibration control
振动控制
5. General purpose triaxial vibration measurements
一般用途三轴振动测量
PHYSICAL
Weight, Max. 0.95 oz 27 grams S
Material Titanium Alloy Titanium Alloy
Sensitivity, ±10%
Acceleration Range, ± 10 Gpeak 98.1 m/s2 peak
Frequency Range, ±10% 0.25 to 4000 Hz 0.25 to 4000 Hz
Resonance Frequency >15 kHz >15 kHz
Linearity [3] 1 %F.S. 1 %F.S.
Transverse Sensitivity Max 6 % 6 % -100 -20
Noise floor 0.0002 Grms 0.002 m/s2 rms 0 -10
Spectral Noise 1Hz 30 µGrms/sqr(Hz) 294.3 µm/s2 rms/sqr(Hz) 100 7.5
TEMPERATURE
Spectral Noise 1Hz 30 µ q( ) 294.3 µ q( ) 100 7.5
10Hz 7 µGrms/sqr(Hz) 68.67 µm/s2 rms/sqr(Hz) 200 15
100Hz 9 µGrms/sqr(Hz) 88.29 µm/s2 rms/sqr(Hz) 225 20
1000Hz 1 µGrms/sqr(Hz) 9.81 µm/s2 rms/sqr(Hz) 250 25
10000Hz 1 µGrms/sqr(Hz) 9.81 µm/s2 rms/sqr(Hz)
ELECTRICAL
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 11 to 13 VDC 11 to 13 VDC
1.0 to 2.0 sec 1.0 to 2.0 sec
TEDS Feature IEEE 1451.4 IEEE 1451.4
ENVIRONMENTAL
Shock Max 1000 Gpeak 9810 m/s2
Vibration Max 50 Gpeak 491 m/s2
Operating Temperature -60 to +185 °F -51 to +85 °C
Seal Epoxy Epoxy
Magnetic Sensitivity at 100 Gauss 0.00009 g/Gauss 0.0008829 m/s2/Gauss
Base Strain Sensitivity, Max 0.002 g/µε 0.01962 m/s2/µε
配件
Supplied Accessories: model 6200, mounting stud
Recommended Accessories: model 4114B1 current source power unit
Compatible Cables: 6811A, 6812A, 6824A, 6828A, 6873A, 6925A, 6933A, 6967A, 6997A
订货型号
3583BT
3583AT
