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IEPE是指一種自帶電量放大器或電壓放大器的加速度傳感器。IEPE是壓電集成電路的縮寫。因為由加速度傳感器產生的電量是很小的，因此傳感器產生的電信號很容易受到噪聲干擾，需要用靈敏的電子器件對其進行放大和信號調理。IEPE中集成了靈敏的電子器件使其盡量靠近傳感器以保證更好的抗噪聲性并更容易封裝。
美國Dytran的3305A1是一款超小型加速度傳感器/振動傳感器，自帶電量放大器，集成陶瓷應變片和超低噪的電子元器件。
The Dytran 3305A1 is a lightweight miniature IEPE accelerometer offered with a sensitivity of 10 mV/g. The accelerometer incorporates a ceramic shear sensing element and ultra low noise JFET electronics, with materials housed in a highly durable 0.32-inch (8.1-millimeter) tall laser welded titanium housing weighing just 3.7 grams. The model 3305A1 features an adhesive mount and industry standard 10-32 radial connector.
特性
1. 10 mV/g sensitivity
2. 500g range
3. 0.3 to 5,000 Hz (±10%)
4. 10-32 radial connector
5. Adhesive mount
6. 3.7 grams
7. Titanium
8. Hermetic
9. Low noise JFET electronics
10. Miniature cubic design
11. IEPE
應用
1. Hand-arm and whole-body vibration measurements
機械手臂與全身振動測量
2. Modal and structural analysis
模態與結構分析
3. Noise, Vibration and Harshness (NVH)
噪音、振動和不平順性檢測
4. General purpose vibration measurements
通用型振動測量
Weight 0.13 oz 3.7 grams
Size W x H x L .40 x .32 x .70 Inches 10 x 8.1x 17.8 mm
Connector Type 10-32 Coaxial 10-32 Coaxial
Material : Base, Cap and Connector Titanium Titanium
Sensitivity, ±5% [1] 10 mV/g 1.02 mV/m/s2
Range F.S for ± 5 Volts Output ±500 G's ±4905 m/s2
Frequency Response, ±5% 0.3 to 5000 Hz 0.3 to 5000 Hz
Resonant Frequency > 35 kHz > 35 kHz
Equivalent Electrical Noise Floor 0.001 Grms 0.010 m/s2 rms
Linearity [2] ± 1% % F.S. ± 1% % F.S.
Phase Response (±5°) 5 to 3000 Hz 5 to 3000 Hz
Maximum Transverse sensitivity 5 % 5 %
Strain Sensitivity 0.04 g/μσ 0.39 m/s2/μσ
ENVIRONMENTAL
Maximum Vibration ±600 Gpeak ±5886 m/s2 peak
Maximum Shock ±5000 Gpeak ±49050 m/s2 peak
Temperature Range -60 to+200 °F -51 to+93 °C
Seal, Hermetic Glass-to-metal/Welded Glass-to-metal/Welded
ELECTRICAL
Supply Current Range [3] 2 to 20 mA 2 to 20 mA
Compliance Voltage Range + 18 to +30 Volts +18 to +30 Volts
Output Impedence,Typ 100 Ω 100 Ω
Bias Voltage +11 to +13 VDC +11 to +13 VDC
Discharge Time Constant 1.5 to 2.5 Sec 1.5 to 2.5 Sec
訂貨型號
3305A1 超小型
3305A2 超小型
3305A3 超小型
配件
1. 4110C current source power unit, model 6273 petro mounting wax
2. 電纜線：6010A, 6011A, 6012A, 6016A, 6018A, 6022A, 6026A, 6032A, 6033A, 6049A, 6050A, 6051A, 6053A, 6054A, 6066A, 6069A, 6093A, 6099A, 6400A, 6401A, 6412A, 6429A, 6924A, 6930A, 6991A
相關型號
3032A
3035B
3089A
3097A1
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