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13352927502
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13352927502
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產(chǎn)品簡介
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(yīng)工作的。某些晶體在一定方向上受力變形時，其內(nèi)部會產(chǎn)生極化現(xiàn)象，同時在它的兩個表面上產(chǎn)生符號相反的電荷；當外力去除后，又重新恢復(fù)到不帶電狀態(tài)，這種現(xiàn)象稱為“壓電效應(yīng)"，具有“壓電效應(yīng)"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(xiàn)代生產(chǎn)生活中被應(yīng)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(shù)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(jù)這些振動，自動調(diào)節(jié)相機的聚焦。壓電加速度傳感器還應(yīng)用于汽車安全氣囊、防抱死系統(tǒng)、牽引控制系統(tǒng)等安全性能方面。
美國Dytran的3123AK是一款連續(xù)加速度標定系統(tǒng)。
The Dytran 3123AK is a back to back accelerometer calibration system.
With a system sensitivity at 100mV/g, the Dytran system 3123AK incorporates a back to back accelerometer, power unit and cables. It has a 50g range.
Model 3123AK Consists of:
(1) 3123A STD. Accelerometer
(2) 4119B Power Unit/Amplifier
(3) 6011A05 Input Cable
(4) 6020A05 Output Cable
(5) 6200 Mounting Studs
(6) 6201 10-32/1/4-28 Mtg. Stud
(7) 6213 Adhesive Mounting Base
(8) 6309 Carrying Case
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SYSTEM SENSITIVITY @ 100 Hz [1] 100.00 ±1.0 mV/G
FREQUENCY RESPONSE, ±2% [1] 10 to 5,000 Hz
LINEARITY ± 1 % F.S.
RANGE F.S. FOR 5 VOLTS OUT ± 500 G
OPERATING FORCE RANGE [2] ± 10 Force-pounds
EQUIVALENT ELECTRICAL NOISE, (BROADBAND) .003 G, RMS
OUTPUT IMPEDANCE 2 Ohms
ACCELEROMETER MODEL 3123A SPECIFICATIONS
SENSITIVITY, ±5% 100 mV/G
DISCHARGE TIME CONSTANT 0.5 to 1.5 Sec
COEFFICIENT OF THERMAL SENSITIVITY .03 %/°F
TEMPERATURE RANGE -60 to +200 °F
TRANSVERSE SENSITIVITY, MAX 3 %
ELECTRICAL CONNECTOR, RADIAL 10-32 COAXIAL Jack
MOUNTING HOLES, TOP & BOTTOM 10-32 UNF-2B
MAXIMUM SHOCK 3000 G
MATERIAL (NON-MAGNETIC) 300 SERIES STAINLESS STEEL
BIAS VOLTAGE +7.5 to +9.5 VDC
SUPPLY CURRENT (CONSTANT CURRENT) 2 mA
COMPLIANCE VOLTAGE +20 VDC
WEIGHT 3.5/100 oz/grams
AMPLIFIER/POWER UNIT 4119B SPECIFICATIONS
SENSOR SUPPLY CURRENT/VOLTAGE, STD 2/+20 mA/VDC
FILTER, LOW PASS, ACTIVE VCVS 12 db/octave
SENSOR/OUTPUT CONNECTOR BNC/BNC Coaxial jack
INPUT POWER, STD MODEL, 115 VAC 2.4 VA
INPUT POWER, 'E' MODEL, 230 VAC 2.4 VA
POWER CORD, STD 6 FT 3-WIRE W/CHASSIS GND
WEIGHT 32/900 oz/grams
SIZE (H x W x D) [3] 5.5 x 1.6 x 8.0 Inches
(H x W x D) [3] 140 x 41 x 203 mm
TEMPERATURE RANGE 0 to +120 ° F
訂貨型號
3123AK
(1) 3123A STD. Accelerometer
(2) 4119B Power Unit/Amplifier
(3) 6011A05 Input Cable
(4) 6020A05 Output Cable
(5) 6200 Mounting Studs
(6) 6201 10-32/1/4-28 Mtg. Stud
(7) 6213 Adhesive Mounting Base
(8) 6309 Carrying Case
相關(guān)型號
3123A 低頻加速度傳感器
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