Signal Isolator, SPD, Surge Protector manufacturer / supplier in China, offering Pma-16di-P 16 Channel Digital Input Module (PNP) Adapter, Pma-16do-P 16 Channel Digital Output Module (PNP) Adapter, Pma-08ai-I 8-Channel Analog Input Module (0/4-20mA) Adapter and so on.
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