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13352927502
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13352927502
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產(chǎn)品簡介
加速度傳感器中有一種是三軸加速度傳感器，同樣的它是基于加速度的基本原理去實現(xiàn)工作的，加速度是個空間矢量，一方面，要準(zhǔn)確了解物體的運(yùn)動狀態(tài)，必須測得其三個坐標(biāo)軸上的分量；另一方面，在預(yù)先不知道物體運(yùn)動方向的場合下，只有應(yīng)用三軸加速度傳感器來檢測加速度信號。由于三軸加速度傳感器也是基于重力原理的，因此用三軸加速度傳感器可以實現(xiàn)雙軸正負(fù)90度或雙軸0-360度的傾角，通過校正后期精度要高于雙軸加速度傳感器大于測量角度為60度的情況。三軸加速度傳感器的好處就是在預(yù)先不知道物體運(yùn)動方向的場合下，只有應(yīng)用三維加速度傳感器來檢測加速度信號。三維加速度傳感器具有體積小和重量輕特點，可以測量空間加速度，能夠全面準(zhǔn)確反映物體的運(yùn)動性質(zhì)。
美國Dytran的3293A是一款微型三軸IEPE加速度傳感器/振動傳感器，壓電式工作原理，靈敏度500mV/g，頻響低至0.25Hz。
The Dytran 3293A is a lightweight IEPE triaxial accelerometer with a high sensitivity of 500 mV/g. Design of the model 3293A incorporates miniature ceramic shear mode sensing elements, mounted to a single support and packaged in a lightweight, welded titanium housing, for a total weight of 8.8 grams.
The model 3293A 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 5-40 tapped hole for stud mounting, and are hermetically sealed for reliable operation in high humidity and dirty environments.
特性
1. 500 mV/g sensitivity
2. 7g range
3. 0.25 to 4,000 Hz frequency range (±10%)
4. 4-pin 1/4-28 radial connector
5. 5-40 tapped hole
6. 8.8 grams
7. Titanium
8. Hermetic
9. Lightweight
10. Low noise
11. Extended low frequency response
12. Triaxial
13. IEPE
應(yīng)用
1. Modal and structural analysis
模態(tài)和結(jié)構(gòu)分析
2. Noise, Vibration and Harshness (NVH)
噪音，振動和不平順性
3. Squeak & Rattle
4. Vibration control
振動控制
5. General purpose triaxial vibration measurements
一般用于三軸振動測量
Weight 0.308 oz 8.8 grams
Connector [1] Type 4-pin, 1/4-28 4-pin, 1/4-28
Material Ti-6 AL-4V Ti-6 AL-4V
Housing Material Ti-6 AL-4V Ti-6 AL-4V
Sensitivity, ±10%
Acceleration Range, ± 7 Gpeak 68.67 m/s^2 peak
Frequency Range, ±10% 0.25 to 4000 Hz 0.25 to 4000 Hz
Resonance Frequency, Nom. >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/s^2 rms 0 -10
Spectral Noise 1Hz 30 µGrms/sqr(Hz) 294.3 µm/s^2 rms/sqr(Hz) 100 7.5
10Hz 7 µGrms/sqr(Hz) 68.67 µm/s^2 rms/sqr(Hz) 200 15
100Hz 9 µGrms/sqr(Hz) 88.29 µm/s^2 rms/sqr(Hz) 225 20
1000Hz 1 µGrms/sqr(Hz) 9.81 µm/s^2 rms/sqr(Hz) 250 25
10000Hz 1 µGrms/sqr(Hz) 9.81 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 ? 100 ?
Output Bias Voltage 11 to 13 VDC 11 to 13 VDC
1.0 to 1.5 sec 1.0 to 1.5 sec
Shock Max 1000 Gpeak 9810 m/s^2
Vibration Max 50 Gpeak 491 m/s^2
Operating Temperature -60 to +185 °F -51 to +85 °C
Magnetic Sensitivity at 100 Gauss 0.00009 g/Gauss 0.0008829 m/s^2/Gauss
Base Strain Sensitivity, Max 0.002 g/µε 0.01962 m/s^2/µε
配件
Supplied Accessories: (1) model 6580 mounting stud (5-40 to 5-40)
Recommended Accessories: model 4114B1 current source power unit, model 6273 petro mounting wax
Compatible Cables: 6811A, 6812A, 6824A, 6828A, 6873A, 6925A, 6933A, 6967A, 6997A
訂貨型號
3293A
相關(guān)型號
3313A1
3333A
3003B
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