描述
測量壓力和真空度的儀表很多,壓力檢測儀表常用的測壓方法有三種。
1.液柱測壓法
根據(jù)流體靜力學(xué)原理,將檢測壓力轉(zhuǎn)換成液柱高度進行測量。如U形管壓力計、單管壓力計、斜管壓力汁等。這種壓力計結(jié)構(gòu)簡單、使用方便。但其精度受工作液的毛細管作用、密度及視差等岡素影響,測量范圍較窄,只能進行就地指示,一般用來測量低壓或真空度。
2.彈性測壓法
根據(jù)彈性元件受力變形的原理,將被測壓力轉(zhuǎn)換成彈性元件變形的位移進行測量,如彈簧管壓力計、波紋管壓力計及膜片式壓力計等。這類壓力表結(jié)構(gòu)簡單,價格低廉.工作可靠,使用方便,常用于精度要求不高,信號無須遠傳的場合,作為壓力的就地檢測和監(jiān)視裝置。
3.電氣測壓法
通過機械或電氣元件將被測壓力信導(dǎo)轉(zhuǎn)換成電信號(電壓、電流、頻率等)進行測量和傳送.如電容式、電阻式、電感式、比變片式和霍爾片式等壓力傳感器和壓力變送器。這類儀表結(jié)構(gòu)簡單、測量范圍寬、靜壓誤差小、精度高、調(diào)整使用方便,常用于測量快速變化、脈動壓力及器遠距離傳送壓力信號的場合。
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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/輸出信號處理、數(shù)
據(jù)通信及處理等。Invensys Triconex:冗余容錯控制系統(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)動模塊等。
◆Motorola(摩托羅拉):MVME 162、MVME 167、MVME1772、MVME177等系列。
REXROTH INDRAMAT SIOB-01 COMMUNICATIONS PROCESSOR
REXROTH INDRAMAT SIOB0100 COMMUNICATIONS PROCESSOR
REXROTH INDRAMAT SOT02-ER-FW STATION OPERATOR CONTROL PANEL
REXROTH INDRAMAT SOTO2-E2R-FW OPERATOR TERMINAL
REXROTH INDRAMAT SSE PROGRAMMER
REXROTH INDRAMAT TAM PROGRAMMING PANEL FOR TRANS01 KEYPAD REMOTE MOUNT
REXROTH INDRAMAT TBM1.1-020-W1 BLEEDER MODULE
REXROTH INDRAMAT TBM1.1-20-W1/115 BLEEDER MODULE
REXROTH INDRAMAT TBM1.1-20-W1/220V SERVO BLEEDER AC
REXROTH INDRAMAT TBM1.20-040-W1/220 SERVO BLEEDER W/220VAC INTERNAL FAN
REXROTH INDRAMAT TBM1.2-040-W1-024 BLEEDER MODULE
REXROTH INDRAMAT TBM1.20-W1-220 BLEEDER MODULE
REXROTH INDRAMAT TBM1.2-40-W1/115 BLEEDER MODULE
REXROTH INDRAMAT TBM1.2-40-W1-220 BLEEDER MODULE
REXROTH INDRAMAT TCM1.1-08-W0 SERVO MOTOR AC WO/BLOWER Z5 NON STANDARD
REXROTH INDRAMAT TDA1.3-100-3-L00 SERVO SPINDLE DRIVE
REXROTH INDRAMAT TDM1.2-030-300-W0 SERVO CONTROLLER
REXROTH INDRAMAT TDM1.2-030-300-W1 SERVO CONTROLLER
REXROTH INDRAMAT TDM1.2-030-300-W1-000 AC SERVO CONTROLLER
REXROTH INDRAMAT TDM1.2-030-300-W1.050 SERVO MODULE
REXROTH INDRAMAT TDM1.2-030-600-W1-000 AC SERVO CONTROLLER
REXROTH INDRAMAT TDM1.2-050-300-W1 SERVO CONTROLLER
REXROTH INDRAMAT TDM1.2-050-300-W1-0 SERVO DRIVE ADVANCED CONTROLLER
REXROTH INDRAMAT TDM1.2-050-300-W1-000 SERVO DRIVE
REXROTH INDRAMAT TDM1.2-050-300-W1-115 SERVO DRIVE
REXROTH INDRAMAT TDM1.2-100-300-W1 SERVO DRIVE ADVANCED CONTROLLER
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REXROTH INDRAMAT TDM1.2-100-300-W1/000 SERVO DRIVE ADVANCED CONTROLLER
REXROTH INDRAMAT TDM1.2-100-300-W1/115 SERVO DRIVE ADVANCED CONTROLLER
REXROTH INDRAMAT TDM1.2-100-300-W1/2 SERVO DRIVE ADVANCED CONTROLLER
REXROTH INDRAMAT TDM1.2-100-300-W1/220 SERVO DRIVE ADVANCED CONTROLLER
REXROTH INDRAMAT TDM1.2-100-300-W1/2 SERVO DRIVE ADVANCED CONTROLLER
REXROTH INDRAMAT TDM1.2-30-300-W0 SERVO CONTROLLER
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REXROTH INDRAMAT TDM1.2-50-300-W1 SERVO DRIVE
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REXROTH INDRAMAT TDM1.2-50-300-W1/115 SERVO DRIVE
REXROTH INDRAMAT TDM1.2-50-WO-115V SERVO DRIVE
REXROTH INDRAMAT TDM13100300W1000 SERVO DRIVE
REXROTH INDRAMAT TDM14050300W1 MODULE
REXROTH INDRAMAT TDM1.4-050-300-W1-000 SERVO CONTROLLER
REXROTH INDRAMAT TDM1.4-050-300-W1-115 SERVO DRIVE
REXROTH INDRAMAT TDM14100300W10 SERVO DRIVE
REXROTH INDRAMAT TDM1.4-100-300-W1/00 SERVO AMPLIFIER
REXROTH INDRAMAT TDM1.4-100-300-W1-000 SERVO DRIVE
REXROTH INDRAMAT TDM1.4-100-300-W1-115 SERVO CONTROLLER
REXROTH INDRAMAT TDM2.1-30-300-W0 SERVO CONTROLLER
REXROTH INDRAMAT TDM2.1-50W-115V SERVO DRIVE
REXROTH INDRAMAT TDM2.4-050-220/300-W1/115/220 POWER SUPPLY MODULE FOR SERVO SYSTEM
REXROTH INDRAMAT TDM3-030-300-W1 SERVO CONTROLLER
REXROTH INDRAMAT TDM3.2-020-300-W0 SERVO DRIVE ADVANCED CONTROLLER
REXROTH INDRAMAT TDM32020300WO MOTOR CONTROL
REXROTH INDRAMAT TDM3.2-030-300-W0 SERVO DRIVE
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REXROTH INDRAMAT TDM3.2-20-300-00 SERVO CONTROLLER
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REXROTH INDRAMAT TDM3.2-20-W1 DRIVE
REXROTH INDRAMAT TDM4.1-020-300-W0 SERVO CONTROLLER AC
REXROTH INDRAMAT TDM/X8 CABLE MOTOR POWER
REXROTH INDRAMAT TFM3.1-050-300-W1 SERVO DRIVE
REXROTH INDRAMAT TH10492C IC
REXROTH INDRAMAT TP500MF2031011 CONTROL
REXROTH INDRAMAT TPT-1.0-3-A-1 TEACH PENDANT
REXROTH INDRAMAT TRANS-01 CONTROL PANEL














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