MVI94-ADM，MVI94-ADM
MVI94-ADM，MVI94-ADM
一体化温度传感器一般由测温探头（热电偶或热电阻传感器）和两线制固体电子单元组成。采用固体模块形式将测温探头直接安装在接线盒内，从而形成一体化的传感器。一体化温度传感器一般分为热电阻和热电偶型两种类型。
热电阻温度传感器是由基准单元、R/V转换单元、线性电路、反接保护、限流保护、V/I转换单元等组成。测温热电阻信号转换放大后，再由线性电路对温度与电阻的非线性关系进行补偿，经V/I转换电路后输出一个与被测温度成线性关系的4～20mA的恒流信号。
全新原装进口PLC可编程控制器
专业销售各系列品牌控制器、伺服驱动、输入/输出模块、电源模块 (合作)
━━━━━━━━━━━━━全系列产品(A full range of products)
加工定制：否 工作电压：220(V)
产品描述：现货/订货 货期短 产品图片 产品价格 仅供参考
公司名称：厦门航拓电气有限公司
Xia Men Hangtuo Electric Co., Ltd.
公司简称：航拓电气
销售地区：全国
公司经营品牌：Allen-Bradley
abb、Siemens、Fanuc _-_-- plc可编程控制器
Schneider、Westinghouse、Ge _-__- dcs集散式控制系统
公司聯络人：小吴(销售工程师)
Tel：0592-5072236
Fax：0592-5072083
Phone：18965131356
在线QQ：1665532815
热电偶温度传感器一般由基准源、冷端补偿、放大单元、线性化处理、V/I转换、断偶处理、反接保护、限流保护等电路单元组成。它是将热电偶产生的热电势经冷端补偿放大后，再帽由线性电路消除热电势与温度的非线性误差，最后放大转换为4～20mA电流输出信号。为防止热电偶测量中由于电偶断丝而使控温失效造成事故，传感器中还设有断电保护电路。当热电偶断丝或接解不良时，传感器会输出最大值（28mA）以使仪表切断电源。一体化温度传感器具有结构简单、节省引线、输出信号大、抗干扰能力强、线性好、显示仪表简单、固体模块抗震防潮、有反接保护和限流保护、工作可靠等优点。一体化温度传感器的输出为统一的 4～20mA信号；可与微机系统或其它常规仪表匹配使用。也可用户要求做成防爆型或防火型测量仪表。
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