描述
RTD具有较高的精度,工作温度范围:-200°C至+850°C。它们还具有较好的长期稳定性,利用适当的数据处理设备就可以传输、显示并记录其温度输出。因为热敏电阻的阻值和温度呈正比关系,设计人员只需将已知电流流过该电阻就可以得到与温度成正比的输出电压。根据已知的电阻-温度关系,就可以计算出被测温度值。
电阻值随温度的变化称为“电阻的温度系数”,绝大多数金属材料的温度系数都是正数,而且许多纯金属材料的温度系数在一定温度范围内保持恒定。所以,热敏电阻是一种稳定的高精度、并具有线性响应的温度检测器。具体应用中选用哪一种金属材料(铂、铜、镍等)取决于被测温度范围。
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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。
Indramat AC Servo Line Former NAM 1.3-15 #11229
SCI Circuit Board 080-2441 180-2441 Rev C / B #25089
General Electric Contactor, RL4RA031T, #11896
New Murray LP118DC Electrical Panel 100 Amp #3820
NEW in BOX DME Connector Kit MTC12G #26338
SCI Circuit Board 080-2463 180-2463 Rev F / H B #25094
Cincinnati Milacron 3 531 3448A PC Board #6731
Cutler Hammer Drum Switch 9441H276C #27840
SCI Circuit Board 080-2451 180-2451 Rev D / C #25095
Heater Band 12391, 1000 Watt #22419
Eaton Durant 7 Digit Counter 6-Y-1-RMF-SU #8332
Allen Bradley 6189-RDB15C Versa View 1500H #18710-11
Moog 164-007D-10-B1-?2 Digital Motor Controller #11226
NEW Norgren Connector 4314-52 #23327
Siemens Contactor, 3TD1017-1G, 115-575 Volt, #11897
Applied Heater Band A-56B141, 600 Watt #22420
NEW IR Aro Coil 2F793 #23370
NEW Harting Connector MTC12G #26761
Epson EA-X20027AZ LED Readout Display #13323
Allen Bradley Versaview Logic Module 6189-RPEH #18712
Dwyer Photohelic Pressure Gage 3001C, #6738
New Allen Bradley I/O Scanner Module 17754-S5 A #28825
Bray Chromalox Heater Band 0222-494686 1000W #22421
Nippon Denso 410100-0450 Teach Pendant TP3 #10406
Allen Bradley 700-N200A1 AC Relay, LOT OF 5, # 11817
Boston Matthews Heater Band 2083/052 500 Watt #22423
Temco Heater Band 341M2801, 1215 Watt #22424
Reliance 0-51865-1 Current Loop Driver #22464
Minster Press Speed Synchronizer Control 490-0216 #8299
Triad MG-24-OF-20 Light Curtain Control Box #6739
Barber Colman Maco 4000 41AC-25203-214-?1-00 #23236
Barber Colman Maco 4000 41AC-26203-21A-?5-A0 #23237
Heater Band 343571-370, 300 Watt #22426
Allen Bradley 1756-0B16D Output Module # 18752
SCI Circuit Board 080-2354 Rev E, 180-2354 Rev D #27849
NEW Reliance 0-51865-1 Current Loop Driver #22463
Barber Colman Maco 4000 41AM-25103-214-?1-00 #23238
Carrier / United Tech HT203617-2 Temp Setpoint #11165
ABB BC9-40-00 Contactor #12616
Amicon Drive TPY2-415-280-30?-4B, 25 AMP, #11220
New Allen Bradley Starter 505-BOD-BIE #28824
Amphenol Hood Connector #23338
Watlow Heater Band ME3A3AP3A 1250 Watt #22428
Applied Heater Band A-512C221-X, 1300 Watt #22427
Fanuc A03B-819-C152 Output Module #22455
Allen Bradley Cordset 889N-F3AFC-6F Series B #23371
New Sola Power Supply 28-1203-2, 120V, 360 Watt #28823
SCI Circuit Board 080-2463 180-2463 Rev C / AE #25096
SCI Circuit Board 080-2355 Rev E, 180-2355 Rev B #27860
Allen Bradley 1756-IB16D Input Module # 18744
Applied Heater Band A-35B141-X, 625 Watt #22429
Siemens Drive PROFIBUS TPY2-415-280-30?-4B #11216
Allen Bradley 2711-TC4 Operator Interface #26604
NEW Hubbell Connector Body HBL7464V, 15 Amp #23374
Watlow Heater Band 30786140 #22430
Jackson Harmonic Motion Index Tabel T-14-8CWS-C #22417
SCI Circuit Board 080-2382 Rev L 180-2382 Rev G #27846
Allen Bradley 1305-BA03A-HA1 Frequency Drive #23222
SCI Circuit Board 080-2458 180-2458 Rev B / B #25098
Argus 0310108256N Alphanumeric Display #11770 WHL
Allen Bradley 2711-TC4X Operator Interface #26607
Trivot Heater Band N-21 2545, 150 Watt #24868
Fanuc A03B-0801-C053 Analog Output Module #10416
SCI Circuit Board 080-2470 180-2470 Rev F / BE #25099
New Accu-Sort Systems Scanner Control 4800 #28813
Mitsubishi AD57 Programmable Controller #6752
SCI Circuit Board 080-2354 Rev D 180-2354 Rev C #27859
Watlow Kona Heater Band 81-16-118, 750 Watt #26552
NEW Parker Fluid Power Servo Card EW10-120/D #11359