描述
从理论上考虑,屏蔽对仪器仪表外壳防雷是非常有效的。但从经济合理角度来看,还是应当从设备元器件抗扰度及对屏蔽效能的要求来选择不同的屏蔽方法。线路屏蔽,即在仪器仪表系统中采用屏蔽电缆已被广泛应用。但对于设备或系统的屏蔽需要视具体情况而定。IEC提出了采用建筑物钢筋连到金属框架的措施举例。
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主营:世界知名品牌的PLC、DCS系统备件模块
①Allen-Bradley(美国AB)系列产品》
②Schneider(施耐德电气)系列产品》
③General electric(通用电气)系列产品》
④Westinghouse(美国西屋)系列产品》
⑤SIEMENS(西门子系列产品)》
⑥销售ABB Robots.FANUC Robots、YASKAWA Robots、KUKA Robots、Mitsubishi Robots、OTC Robots、PanasonicRobots、MOTOMAN Robots。
⑦estinghouse(西屋):OVATION系统、WDPF系统、MAX1000系统备件。
⑧Invensys Foxboro(福克斯波罗):I/A Series系统,FBM(现场输入/输出模块)
顺序控制、梯形逻辑控制、事故追忆处理、数模转换、输入/输出信号处理、数
据通信及处理等。Invensys Triconex:冗余容错控制系统、基于三重模件冗余(TMR)
结构的zui现代化的容错控制器。
⑨Siemens(西门子):Siemens MOORE,Siemens Simatic C1,Siemens数控系统等。
⑩Bosch Rexroth(博世力士乐):Indramat,I/O模块,PLC控制器,驱动模块等。
◆Motorola(摩托罗拉):MVME 162、MVME 167、MVME1772、MVME177等系列。
New Aera FC-D980C Mass Flow Controller 500 SCCM SIH4
Unit Instruments UFC-8100 Mass Flow Controller N2
BOC Edwards High Vacuum Int. D37208800
Iwaki Bellows pump FF-10BT2
Donaldson Part #P510172 Compresses Ambiant Air Filter
Omron AC Servo Drive R88D-UA12V 200v
Western Atlas INT Assy D 155562
Western Atlas INT Assy D 155567
Western Atlas INT Assy D 155568
Verteq Process System Division SW800-C1-E2
New Varian 965195-000 PCB Output For 988 Controller
Werlatone Directional coupler C3059 500-1000 MHZ
ASML 4022.436.5900 Mains Switch Unit Lithography SVG
ASML/SVG Art Remote Control Box Assy ARCB
NSK EMB014CF1-05 Motor Drive/Controller
ASML SVG Cabinet Supply Unit (CSU) 4022.436.5400
LAM Research Endpoint Detector 853-001983-011
ASML 4022.436.7565 Mains Switch Unit Lithography SVG
ASML 4022.430.19311 Oldelft B.V. 212C05000 SO50
New LAM 716-011536-001 Ring Insulator-Upper Electrode
New LAM 839-024323-100 Weldmt. Prim Shutoff Gas
AMAT Applied Materials 0100-00012 VME Counter Board
ASML/SVG 4022.436.4170 Short Stroke Amplifier CTF
ASML/SVG 4022.471.6598. ACPA MK4 CFT Engineering
AMAT Part 0100-90286 Applied Material Beam Profiler
AMAT Part Number 0100-00828 Applied Material Vibration
AMAT Part Number 0100-00860 Beam Stability Monitor
AMAT Part Number 0100-00929 I/V Converter-Beam Profile
AMAT Part Number 0100-90025 24V 1A Power Supply
AMAT Part Number 0100-91105 I/V Converter Power Supply
Semiconductor Systems 09-04352,PB 146298,09-04393-B Bo
AMAT Part Number 0100-90870 4 Phase Stepper Controller
Leybold-Heraeus NIZ 2 Power Supply
Varian MAT 25649/039 Power Supply
Tokyo Electron CVD/Etch Reactor Interface 2 Analogic
Tokyo Electron WZ81-000694-1 PCM Valve Drive
Tokyo Electron Transport Gas Panel Interface Analogic
Tokyo Electron CVD/Etch Reactor Interface 2 Analogic
Tokyo Electron CVD/Etch Reactor Interface 1 Analogic
Tokyo Electron CVD/Etch Gas Panel Interface Analogic
ASML 4022.431.2340 Spacer Block Tilting Lens
AMAT Applied Materials Motorola MVME211 0100-11030
ASML/SVG 4022.471.6177 ProDrive Power Supply PADC 65/13
Ultra-Clean Cleanroom 699-041 Size Medium Lot 41
New In Package ATMI SR4BDAFB-050315 NowPak SmartProbe
New In Package ATMI SR4BDAFB-050316 NowPak SmartProbe
New In Package ATMI SR4BDAFB-050406 NowPak SmartProbe
MKS HPS Products Series 999 Quattro Multi Sensor Trans
New VAT PM-5 FABR No. 641PM-36PM
Precision Scientific incubator 31532
MKS Mass Flow Controller 1559A-100V-RV
Tokyo Electron Limited 84-1038-001
APTech/KyTek Cylinder Scale KT3010 with Millipore LR300
New in Package ATMI SR2BDAFB-050608 NowPak Dispenser
New In Package ATMI SR4BDAFB-050421 NowPak SmartProbe
New In Package ATMI SR4BDAFB-050422 NowPak SmartProbe
New In Package ATMI SR4BDAFB-050423 NowPak SmartProbe
ASML 4022.502.26001 Ellipsoidal Mirror SVG
BOC Edwards D37215000 Flash Module Lot Of 3 Wired
Tokyo Electron Shower Head 10 ¼ inches TEL
Ryan Herco 2422.092 PVC Hex bolt ½-13 x 1” 330 pieces
Kobold Y-DF-17559/60 Paddle Wheel Flow Sensor Frequency