1、防腐PH計(jì)電極+PHG6103PH控制器概述:自主研發(fā)第一代電子在線監(jiān)測(cè)PH/ORP值,通過RS485或電流變送遠(yuǎn)傳到監(jiān)控室進(jìn)行記錄保存。?PH/...