PH sensor

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{"cid":"167547","pid":"27215431","pimg_url":"\/\/img1.b2bforus.com\/13\/78\/cc9e13151804\/product\/97875649_s-w400xh400.jpg","name":"Digital pH Meter China Industrial pH Water Tester, rs485\/4~20mA pH Meter, Digital Industrial pH Meter","attrs":{"Price":"Negotiable","MOQ":"5.0 Sets","Delivery Time":"Negotiable","Brand":"An Ying"}}

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