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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，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。
美國Dytran的3233A是一款微型三軸加速度傳感器/振動傳感器，壓電式工作原理，靈敏度高達10000mV/g，自帶4針徑接口和安裝螺紋通孔，應對超高濕度和多塵工作環境。
The Dytran 3233A is an IEPE triaxial accelerometer with an ultra high sensitivity of 1,000 mV/g, intended for the measurement of very low vibrations.
The sensors feature ceramic shear sensing elements, packaged in a lightweight rugged titanium housing, with an industry standard radial 4-pin connector and thru hole mounting capabilities for 8-32 or #M4 screw. This ring style mounting configuration allows the sensor to be turned 360° prior to securing for ease of installation. Units are hermetically sealed for reliable operation in high humidity and dirty environments, as well as electrically base isolated to avoid EMI/ground loop interference.
特性
1. 1,000 mV/g sensitivity
2. 5g range
3. Axis 1 & 2: 0.4 to 3,000 Hz frequency range (±10%)
4. Axis 3: 0.4 to 6,000 Hz frequency range (±10%)
5. 4-pin 1/4-28 radial connector
6. Thru hole mount
7. 28 grams
8. Titanium
9. Hermetic
10. Base isolated
11. 360° cable orientation
12. Ultra high sensitivity
13. Triaxial
14. IEPE
應用
1. Civil structural monitoring
土木結構監測
2. Low level vibration measurements
振動測量
3. Seismic monitoring
地震監測
4. General purpose triaxial vibration measurements
一般用途三軸振動測量
Weight, Max 1.05 oz 30 grams
Mounting 8-32 Screw 8-32 Screw
Connector Type [1] 4-PIN 4-PIN
Sensitivity, +/-10%
Range, Full Scale (Each Axis) 5 ± g pk 49.05 ± m/s2 pk
Frequency Range Axis 1 & 2, +/- 10% .3 to 3000 Hz .3 to 3000 Hz
Frequency Range Axis 3, +/- 10% .3 to 6000 Hz .3 to 6000 Hz
Element Natural Frequency >20 kHz >20 kHz
Equivalent Electrical Noise 0.0001 g rms 0.001 m/s2 rms
Linearity [3] 1 % F.S. 1 % F.S.
Transverse Sensitivity Max 5% 5 %
ENVIRONMENTAL
Vibration Max 500 ± g pk 4905 ± m/s2 pk
Shock Max 5000 ± g pk 49050 ± m/s2 pk
Operating Temperature -60 to +200 °F -51 to +93 °C
Seal Hermetic Hermetic
ELECTRICAL
Supply Current Range [4] 2 to 20 mA 2 to 20 mA
+18 to +30 VDC +18 to +30 VDC
Output Impedance, Typ. 100 ? 100 ?
Output Bias Voltage +11 to +13 VDC +11 to +13 VDC
Discharge Time Constant 0.9 to 2.0 Sec 0.9 to 2.0 Sec
Ground Isolation, Min. 10 M? 10 M?
配件
Supplied Accessories: (1) model 6582 mounting bolt, (1) model 6583 mounting washer
Recommended Accessories: model 4114B1 current source power unit
Compatible Cables: 6811A, 6812A, 6824A, 6828A, 6873A, 6925A, 6933A, 6967A, 6997A
訂貨型號
3233A
3233AT
3233A1T
3233A2T
3233A3T
3233A4T
3233A5T
相關型號
3333A1
3343A
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