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加速度传感器中有一种是三轴加速度传感器，同样的它是基于加速度的基本原理去实现工作的，加速度是个空间矢量，一方面，要准确了解物体的运动状态，必须测得其三个坐标轴上的分量；另一方面，在预先不知道物体运动方向的场合下，只有应用三轴加速度传感器来检测加速度信号。由于三轴加速度传感器也是基于重力原理的，因此用三轴加速度传感器可以实现双轴正负90度或双轴0-360度的倾角，通过校正后期精度要高于双轴加速度传感器大于测量角度为60度的情况。三轴加速度传感器的好处就是在预先不知道物体运动方向的场合下，只有应用三维加速度传感器来检测加速度信号。三维加速度传感器具有体积小和重量轻特点，可以测量空间加速度，能够全面准确反映物体的运动性质。
美国Dytran的3313A1是一款微型三轴加速度传感器/振动传感器，压电式工作原理，重量4.1g，频响范围1.2-10000Hz，高密封设计，应对高湿度和多尘工作环境。
The Dytran 3313A1 is a miniature triaxial IEPE accelerometer weighing just 4.1 grams and a vertical height of 0.47 inches (11.9 millimeters).
Available with a 1 mV/g sensitivity, the model 3313A1 features an industry standard 4-pin radial connector and 10-32 tapped hole. Design of the model 3313A1 incorporates quartz shear sensing elements, packaged in a laser welded titanium housing. Units have a frequency range of 1.2 to 10,000 Hz and are hermetically sealed for reliable operation in high humidity and dirty environments.
特性
1. 1 mV/g sensitivity
2. 5,000g range
3. 1.2 to 10,000 Hz frequency range (±15%)
4. 4-pin 1/4-28 radial connector
5. 10-32 tapped hole
6. 4.1 grams
7. Titanium
8. Hermetic
9. Broad frequency response
10. Triaxial
11. IEPE
应用
1. Environmental Stress Screening (ESS)
环境应力筛选
2. HALT/HASS
高加速寿命试验和应力筛选
3. Modal and structural analysis
模态和结构分析
4. Noise, Vibration and Harshness (NVH)
噪音，振动和不平顺性
5. General purpose triaxial vibration measurements
一般用途三轴振动测量
Weight, Max 0.14 oz 4.1 grams
Connector 1/4-28. 4 Pin 1/4-28. 4 Pin
Mounting Provision Tapped Hole 10-32 10-32
Material : Housing / Connector Titanium Titanium
Sensitivity, ±10% [1] 1 mV/g 0.10 mV/m/s2
Range ±5000 g
Frequency Response, ± 15% 1.2 to 10000 Hz 1.2 to 10000 Hz
Equivalent Natural Frequency > 30 kHz > 30 kHz
Equivalent Electrical Noise , Max 0.07 grms 0.69 m/s2 rms
Linearity [2] ± 1 % F.S. ± 1 % F.S.
Maximum Transverse sensitivity 5 % 5%
Maximum Vibration ± 7000 g's,peak ± 68670
Maximum Shock ±5000 g's,peak ±49050 m/s2, peak
Temperature Range -60 to +250 °F -51 to +121 °C
Seal Hermetic Hermetic
Base Strain 0.006 g/με 0.06 m/s2/µε
Electrical
Supply Current Range 2 to 20 mA 2 to 20 mA
Compliance (Supply) Voltage Range + 18 to +30 Volts + 18 to +30 Volts
Output Impedence,Typ 100 Ω 100 Ω
Bias Voltage +7 to +9 VDC +7 to +9 VDC
Discharge Time Constant 0.2 to 1.0 Sec 0.2 to 1.0 Sec
Ground Isolation Case Ground Case Ground
配件
Supplied Accessories: (1) model 6200 mounting stud (10-32 to 10-32)
Recommended Accessories: model 4114B1 current source power unit, model 6228 adhesive mounting base, model 6272 magnetic mounting base
Compatible Cables: 6811A, 6812A, 6824A, 6828A, 6873A, 6925A, 6933A, 6967A, 6997A
订货型号
3313A1
3313A2
3313A3
相关型号
3313A1H 高温型
3313A2H 高温型
3313A3H 高温型
