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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(shí)現(xiàn)工作的,加速度是個(gè)空間矢量,一方面,要準(zhǔn)確了解物體的運(yùn)動(dòng)狀態(tài),必須測(cè)得其三個(gè)坐標(biāo)軸上的分量;另一方面,在預(yù)先不知道物體運(yùn)動(dòng)方向的場(chǎng)合下,只有應(yīng)用三軸加速度傳感器來(lái)檢測(cè)加速度信號(hào)。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(shí)現(xiàn)雙軸正負(fù)90度或雙軸0-360度的傾角,通過(guò)校正后期精度要高于雙軸加速度傳感器大于測(cè)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(dòng)方向的場(chǎng)合下,只有應(yīng)用三維加速度傳感器來(lái)檢測(cè)加速度信號(hào)。三維加速度傳感器具有體積小和重量輕特點(diǎn),可以測(cè)量空間加速度,能夠全面準(zhǔn)確反映物體的運(yùn)動(dòng)性質(zhì)。
美國(guó)Dytran的3003B是一款三軸IEPE加速度傳感器/振動(dòng)傳感器,壓電式工作原理,靈敏度5mV/g,重量25g。
The Dytran 3533A is a ground isolated triaxial IEPE accelerometer with a 5 mV/g sensitivity, vertical height of 0.68-inches (17.1-millimeters) and an overall weight of 25 grams.
Featuring ceramic shear sensing elements packaged in a lightweight housing, design of the model 3533A incorporates a Dytran designed 4-pin Mighty Mouse connector and stud mounting capabilities. Units are hermetically sealed for reliable operation in high humidity and dirty environments and ground isolated.
特性
1. 5 mV/g sensitivity
2. 1,000g range
3. 3.3 to 1,000 Hz frequency range (±5%)
4. 4-pin Mighty Mouse connector
5. Stud mount
6. 25 grams
7. 304L material
8. Hermetically sealed
9. Ground isolated
10. Triaxial
11. IEPE
應(yīng)用
1. Aerospace flight testing
航天飛行試驗(yàn)
2. Health and Usage Monitoring Systems (HUMS)
狀態(tài)和使用監(jiān)測(cè)中心
3. Commercial and military aircraft vibration monitoring
商用和飛行器振動(dòng)監(jiān)測(cè)
Weight, Max 0.9 oz 25 grams
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 to +11 VDC +7 to +11 VDC
Discharge Time Constant 0.15 to 0.5 Sec 0.15 to 0.5 Sec
ENVIRONMENTAL
Shock Max 5000 g pk 49050 m/s^2
Vibration Max 1500 g pk 14715 m/s^2
Operating Temperature -60 to +250 °F -51 to +121 °C
Seal Hermetic Hermetic
Base Strain Sensitivity 0.002 g/με 0.02 m/s^2/με
訂貨型號(hào)
3533A
配件
Model 6273 petro mounting wax, model 6228 adhesive base, model 6258 magnetic base
Compatible Cables: 6669A
相關(guān)型號(hào)
3303A 三軸機(jī)載型加速度傳感器
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