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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3093B是一款三軸IEPE加速度傳感器/振動傳感器，壓電式工作原理，重量10g，自帶4針接頭和黏貼安裝設計，應對超高濕度和多塵工作環境。
The Dytran 3093B is a case isolated triaxial IEPE accelerometer with a 100 mV/g sensitivity, vertical height of 0.37-inches (9.3-millimeters) and an overall weight of 10 grams.
Featuring ceramic shear sensing elements packaged in a lightweight titanium housing, design of the model 3093B incorporates an Dytran designed 4-pin radial connector and adhesive mounting capabilities. Units are 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. 0.6 to 5,000 Hz frequency range (±10%)
4. 4-pin Dytran designed 1/4-28 radial connector
5. Adhesive mount
6. 10 grams
7. Titanium
8. Hermetic
9. Case isolated
10. Low profile
11. Triaxial
12. IEPE
應用
1. Modal and structural analysis
模態和結構分析
2. Noise, Vibration and Harshness (NVH)
噪音，振動和不平順
3. Product response testing
產品響應測試
4. Squeak & Rattle
5. General purpose triaxial vibration measurements
一般目的三軸振動測量
WEIGHT 9.5 GRAMS
SIZE (HEIGHT x WIDTH x DEPTH) 0.37 x .59 x .59 INCHES
MOUNTING ADHESIVE MOUNT
CONNECTOR [1] 4-PIN [3]
MATERIAL, HOUSING/CONNECTOR TITANIUM ALLOY
PERFORMANCE
SENSITIVITY, +15 -10% [2] 100 mV/G
RANGE, F.S. (each axis) ± 50 G
FREQUENCY RESPONSE, ± 10 % .6 to 5000 Hz
ELEMENT NATURAL FREQUENCY >30 kHz
EQUIVALENT ELECTRICAL NOISE .0007 G, RMS
LINEARITY [3] 1 %F.S.
TRANSVERSE SENSITIVITY, MAX., 5 %
SIGNAL POLARITY POSITIVE FOR MOTION IN DIRECTION OF ARROWS ETCHED ON HOUSING
ENVIRONMENTAL
MAXIMUM VIBRATION ± 100 G
MAXIMUM SHOCK 500 G
TEMPERATURE RANGE -60 to +225 oF
ENVIRONMENTAL SEAL HERMETIC
COEFFICIENT OF THERMAL SENSITIVITY .03 %/oF
ELECTRICAL
SUPPLY CURRENT RANGE, (each axis) [4] 2 to 20 mA
COMPLIANCE (SUPPLY) VOLTAGE RANGE (each axis) +18 to +30 VDC
OUTPUT IMPEDANCE, TYP. 100 OHMS
OUTPUT BIAS VOLTAGE +11 to +13 VDC
DISCHARGE TIME CONSTANT 0.5 to 1.5 SEC
GROUND ISOLATION [5] 10, MIN. MEGOHMS
配件
Recommended Accessories: model 4114B1 current source power unit, model 6273 petro mounting wax
Compatible Cables: 6430A, 6431A, 6801A, 6830A
訂貨型號
3093B
3093B1
3093B1T TEDS
相關型號
3093M4 TEDS
3093M8 TEDS
3093M10 TEDS
3093M18 TEDS
3093M22 TEDS
3093M27 TEDS
3093M28 TEDS
3093M32 TEDS
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