YM Instrument Co.,Ltd. is a speciallized manufacturer of electro-chemistry instruments. Our main products are PH meter,pH tester,conductivity meter, TDS meters, ORP meter; pNa meter,Water Quality and Aquaculture, salt meter;Many functions ...

We were founded in 2007, the 10 years we have focused on sewage treatment dosing part of product sales, customization system. We hope to promoted products made in china.

PH meterPH meter, portable tester, Pen type meter for water test/ tester: combined pH electrode of high sensitivity, fast response, and good repetition as probe. With 3-1/2 liquid crystal digits display, the is reliable, stable, portable, convenient to ...

We are the manufacturer of industrial on-line conductivity/resistivity meters,pH/ORP meters , transmitters and serial sensors ,and most mature reverse osmosis program controllers in China. Due to high quality reasonable price, our products earn good ...