描述
我們以金屬絲應(yīng)變電阻為例,當(dāng)金屬絲受外力作用時(shí),其長度和截面積都會(huì)發(fā)生變化,從上式中可很容易看出,其電阻值即會(huì)發(fā)生改變,假如金屬絲受外力作用而伸長時(shí),其長度增加,而截面積減少,電阻值便會(huì)增大。當(dāng)金屬絲受外力作用而壓縮時(shí),長度減小而截面增加,電阻值則會(huì)減小。只要測(cè)出加在電阻的變化(通常是測(cè)量電阻兩端的電壓),即可獲得應(yīng)變金屬絲的應(yīng)變情
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主營:世界知名品牌的PLC、DCS系統(tǒng)備件模塊
①Allen-Bradley(美國AB)系列產(chǎn)品》
②Schneider(施耐德電氣)系列產(chǎn)品》
③General electric(通用電氣)系列產(chǎn)品》
④Westinghouse(美國西屋)系列產(chǎn)品》
⑤SIEMENS(西門子系列產(chǎn)品)》
⑥銷售ABB Robots.FANUC Robots、YASKAWA Robots、KUKA Robots、Mitsubishi Robots、OTC Robots、PanasonicRobots、MOTOMAN Robots。
⑦estinghouse(西屋):OVATION系統(tǒng)、WDPF系統(tǒng)、MAX1000系統(tǒng)備件。
⑧Invensys Foxboro(??怂共_):I/A Series系統(tǒng),F(xiàn)BM(現(xiàn)場輸入/輸出模塊)
順序控制、梯形邏輯控制、事故追憶處理、數(shù)模轉(zhuǎn)換、輸入/輸出信號(hào)處理、數(shù)
據(jù)通信及處理等。Invensys Triconex:冗余容錯(cuò)控制系統(tǒng)、基于三重模件冗余(TMR)
結(jié)構(gòu)的zui現(xiàn)代化的容錯(cuò)控制器。
⑨Siemens(西門子):Siemens MOORE,Siemens Simatic C1,Siemens數(shù)控系統(tǒng)等。
⑩Bosch Rexroth(博世力士樂):Indramat,I/O模塊,PLC控制器,驅(qū)動(dòng)模塊等。
◆Motorola(摩托羅拉):MVME 162、MVME 167、MVME1772、MVME177等系列。
NOVUS CORPORATION 50738-C
OMEGA ENGINEERING INC 0100-0107
OMEGA ENGINEERING INC 88010K-RE
PRESSURE BLAST MFG CO.A93008
PRESSURE BLAST MFG CO.G1Z696
RAINES TECHNOLOGY 40-127-001
RAWLINSON ELECTRIC SUPPLY Q01PL
RAWSON,L.P.C12230-301/4VCRSM
SCOTT ELECTRICAL SERVICES D24HC
SEMITOOL 60651
SEMITOOL 61561
SEMITOOL 61562
SEMITOOL 121R0001-01
SEMITOOL 13401-01
SEMITOOL 60670-1
SHAMROCK BOLT&SCREW INC 0604MHS
SMALL PRECISION TOOLS,INC.PUNW-.026.70915001
SOUTHLAND CRYOGENICS-AERIFORM SG 665
SOUTHLAND CRYOGENICS-AERIFORM SG-6077
OSRAM 64634
SPECIALTY OPTICAL SYSTEMS FK672C-3.44
SPECTRUM SEMICONDUCTOR 109073004
FABCO-AIR FE-607-617
TOKYO ELECTRON 4052060
TOKYO ELECTRON 6060170
TOKYO ELECTRON A120247
TOKYO ELECTRON D117642
TOKYO ELECTRON D118333
TOKYO ELECTRON D122310
TOKYO ELECTRON D123464
TOKYO ELECTRON D124736-A
MATERIALS RESEARCH CORP D124839-A
TREBOR INTERNATIONAL 98002952
TRIKON TECHNOLOGIES,INC A91558 D05
ULTRA PURE PRODUCTS 98002353
VALLEN SAFETY SUPPLY COMPANY 66320
VALLEN SAFETY SUPPLY CORP BS-01
VARIAN 3330604
VARIAN 0471587103
VWR SCIENTIFIC PRODUCTS MICRO-1
WILSON COMPANY 250A-3-11-21
XANDEX 310-1212
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