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Apera Instruments provides reliable and affordable scientific instruments for water analysis. With our leading technology, outstanding
product quality, and excellent customer service, Apera Instruments provides you with all kinds of
meters (pocket/portable/benchtop) and sensors for measuring pH, ORP, Conductivity, TDS, Salinity, Dissolved
Oxygen, and Turbidity at the highest cost-effectiveness. We look forward to becoming your best partner on
water analysis.

With the new branch opened in Columbus, Ohio, we manufacure most of our products in Shanghai Sanxin
Instrumentation, which is an ISO 9001:2008 certified enterprise founded in 1991. We have
been focusing on the research, design, and manufacture of water analysis instruments based on electrochemical
sensors. Our achievements in sensor and electronics technology as well as product design have gained
worldwide recognitions over the past 25 years.