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阿Q吧 > mm305压力变送器接438数字仪表怎么接线

mm305压力变送器接438数字仪表怎么接线

2025-03-31 01:52:27

推荐回答（1个）

回答1：

压力变送器型号 SDMB-1(棒状) SDMB-2(扩散硅) SDMB-3151(电容式) SDMB-1001(电容式)

压力变送器一般都是两线制24V供电，4-20mA电流信号，接438数字仪表都串连就行，打开仪表后盖，有test，跟out，test是测试标定用的，out是用来测量输出用的，就接out就行。
24V电源正极接仪表+，从负极出来接到438数字仪表的正，在从数字仪表的-出来，接回电源的24V-
一般数字仪表都用外供电源跟输出，看情况了而论。
压力变送器型号 SDMB-1(棒状) SDMB-2(扩散硅) 西安实达同创找王工

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