Plastic Dissolved oxygen meter(do)

{"cid":"152668","pid":"25590098","pimg_url":"\/\/img1.b2bforus.com\/6d\/fd\/e267ad1bc4e4\/product\/89957641_s-w400xh400.jpg","name":"RS485 Plastic Online Optical Dissolved Oxygen Sensor","attrs":{"Price":"Negotiable","MOQ":"2.0 Sets","Delivery Time":"Negotiable","Brand":"Apure"}}