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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現(xiàn)工作的，加速度是個空間矢量，一方面，要準確了解物體的運動狀態(tài)，必須測得其三個坐標軸上的分量；另一方面，在預先不知道物體運動方向的場合下，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先不知道物體運動方向的場合下，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，能夠全面準確反映物體的運動性質(zhì)。
美國Dytran的3213D1是一款三軸加速度傳感器/振動傳感器，壓電式工作原理，自帶放大器功能（IEPE）, 內(nèi)建靜電屏蔽，防噪防靜電，自帶4針M12接口和10-32的螺紋通孔。
The Dytran 3213D1 is a low profile, triaxial IEPE piezoelectric accelerometer with built-in Faraday shield for electrostatic noise immunity, a sensitivity of 100 mV/g, a radial 4-pin M12 connector and a 10-32 thru hole mount. This unique configuration allows the sensor to be turned 360° prior to securing for ease of sensor installation.
Design of the model 3213D1 incorporates ceramic shear sensing elements, packaged in a robust aluminum housing. The series is hermetically sealed for reliable operation in high humidity and dirty environments and case isolated to avoid EMI/ground loop interference.
特性
1. 100 mV/g sensitivity
2. 50g range
3. Axis 1 & 2: 2 to 7,000 Hz frequency range (±3dB)
4. Axis 3: 2 to 10,000 Hz frequency range (±3dB)
5. 4-pin radial connector
6. 10-32 thru hole mount
7. 65 grams
8. Aluminum
9. Hermetic
10. Case isolated
11. 360° cable orientation
12. Triaxial
13. IEPE
應(yīng)用
1. Low profile or space constrained vibration monitoring applications
受限空間振動監(jiān)控應(yīng)用
2. Walkabout data collection
徒步旅行數(shù)據(jù)收集
3. General purpose triaxial vibration monitoring
一般用途振動監(jiān)測
Weight, Max. 2.3 oz 65 grams
Connector 4 Pin M12 X 1 M12 X 1
Material Housing Anodized Aluminum Anodized AluminumConnector 300 Series SST 300 Series SST
Sensitivity, ±10% [1] 100 mV/g 10.2 mV/m/s2
Range for ± 5 Volts Output 50 g 491 m/s2
Frequency Response, ±3 dB Axis 3 2 to 10000 Hz 2 to 10000 Hz
Axes 1 and 2 2 to 7000 2 to 7000
Resonant Frequency > 20 kHz > 20 kHz
Broad Bａnd Resolution 0.00016 grms 0.002 m/s2 rms
Maximum Transverse Sensitivity 7 % 7 %
Base Strain Sensitivity @ 250με 0.002 g/με 0.02 m/s2/με
Maximum Vibration 500 g peak 4905 m/s2 peak
Maximum Shock 5000 g peak 49050 m/s2 peak
Temperature Range -60 to 250 °F -51 to 121 °C
Supply Current Range [3] 2 to 20 mA 2 to 20 mA
Compliance Voltage Range 18 to 30 Volts 18 to 30 Volts
Bias Voltage 11 to 13 VDC 11 to 13 VDC
Discharge Time Constant 0.5 to 2.0 Sec 0.5 to 2.0 Sec
Isolation Case Isolated Case Isolated
訂貨型號
3213D1
配件
1. Model 6523A mounting screw (10-32)
2. 電纜線：model 4114B1 current source power unit
相關(guān)型號
3063B
3213M6
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