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请教传感器和变送器的区别 |
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发表于 2012-12-22 18:56
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发表于 2012-12-26 09:47
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点评
赞成,昨天把两种“传感器”用试验比较了一下,300的变送器精度差的一塌糊涂,4mA测出来只有3.3。
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发表于 2012-12-29 12:32
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发表于 2013-3-25 14:08
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