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3054B加速度傳感器
  • 3054B加速度傳感器
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貨物所在地:廣東深圳市

更新時間:2025-04-18 21:00:08

瀏覽次數:25

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壓電式加速度傳感器,又稱振動傳感器,是基于壓電晶體的壓電效應工作的

壓電式加速度傳感器,又稱振動傳感器,是基于壓電晶體的壓電效應工作的。某些晶體在一定方向上受力變形時,其內部會產生極化現象,同時在它的兩個表面上產生符號相反的電荷;當外力去除后,又重新恢復到不帶電狀態,這種現象稱為“壓電效應",具有“壓電效應"的晶體稱為壓電晶體。常用的壓電晶體有石英、壓電陶瓷等,在現代生產生活中被應用于許許多多的方面,如手提電腦的硬盤抗摔保護,目前用的數碼相機和攝像機里,也有加速度傳感器,用來檢測拍攝時候的手部的振動,并根據這些振動,自動調節相機的聚焦。壓電加速度傳感器還應用于汽車安全氣囊、防抱死系統、牽引控制系統等安全性能方面。

 

美國Dytran的3054B是一款微型兩軸加速度傳感器/振動傳感器,專為傳熱管橫向加速度測量二設計。

The Dytran 3054B is a unique, miniature biaxial accelerometer designed to be inserted up to 40 feet into 0.319 inches-diameter heat transfer tubes for the purpose of measuring transverse acceleration of the tube.  The Dytran model 3054B uses 8 beryllium copper springs attached to the outside of the sensor body, to guide the unit into the tube and allow for slight variations in tube inside diameter and for some buildup of foreign materials inside the tube. Biaxial in design, model 3054B incorporates two quartz sensing elements operating in shear mode. Units are internally isolated from the sensor case and are enclosed by a faraday shield for electrostatic noise immunity. Alternate spring sizes available (up to .935 inches) to accomodate larger tube diameters; contact Dytran for details.


特性

1.   25 mV/g sensitivity

2.   200g range

3.   2 to 500 Hz frequency range (±10%)

4.   40-foot integral cable to flying leads

5.   Mounts inside a single tubular housing

6.   7.2 grams

7.   Stainless steel

8.   Hermetic

9.   Case isolated

10.  Biaxial

11.  IEPE

 

應用

1.   Chillers in nuclear plants

  核電站冷卻裝置

2.   Cooling towers

  冷卻塔

3.   Large energy stations

  大型能量站

4.   Measures vibration in two axes while inserted in a tube

  兩軸振動測量

5.   Vibration measurements in heat transfer tubes in HVAC units

  空調傳熱管的振動測量


WEIGHT 7.2 GRAMS

SIZE (DIA x LENGTH) ? 0.275 X 1.5 INCHES

MOUNTING [1] UNIT SLIDES INTO ?.319 MIN. I.D. TUBE ON SPRINGS

ELECTRICAL CONNECTION PROVISION 3-WIRE 40 FT. LONG CABLE W/FLYING LEADS

MATERIAL, HOUSING/CONNECTOR 304L STAINLESS STEEL

PERFORMANCE

SENSITIVITY, ± 10% [1] 25.0 mV/G

RANGE, F.S. (each axis) ± 200 G

FREQUENCY RESPONSE, ± 10% [2] 2 to 500 Hz

ELEMENT NATURAL FREQUENCY >30 kHz

EQUIVALENT ELECTRICAL NOISE .003 G, RMS

LINEARITY [3] 1 %F.S.

SIGNAL POLARITY SENSITIVE AXES ARE ORTHOGONAL AND TRANSVERSE

ENVIRONMENTAL

MAXIMUM VIBRATION +/- 600 G

MAXIMUM SHOCK 1000 G

TEMPERATURE RANGE -60 to +250 oF

ENVIRONMENTAL SEAL HERMETIC WITH BOOTED CABLE

COEFFICIENT OF THERMAL SENSITIVITY .03 %/oF

ENVIRONMENTAL

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 +7 TO +9 VDC

DISCHARGE TIME CONSTANT 0.2 TO 1.0 SEC

GROUND ISOLATION [5] 10 MEGOHMS (MIN.)

 


訂貨型號

3054B

 

配件

Supplied Accessories: (1) model 6565A insertion rod adaptor (6-inches long), (1) model 6565A1 insertion rod extender (48-inches long)


相關型號

3211M1

3243A


3243A 01.jpg

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