6656 Busch Blvd.
Columbus, OH 43229


(614) 285-3080



Apera Instruments provides all types of scientific instruments and sensors for measuring pH, ORP, conductivity, TDS, salinity, dissolved oxygen, turbidity, and ISE with our leading technology, reliable product quality, and outstanding customer service.

We have been focusing on the development of water analysis instruments and sensors since 1991. Our sensor and electronics technologies have gained recognition in over 30 countries across America, Asia, and Europe. All the products are CE certified and are produced by our ISO 9001:2009 certified manufacturing base.

Why Choose Apera?


Precision from 27 years of Focus

Apera Instruments has been focusing on the development of electrochemical sensors and instrumentations since 1991. There are thousands of parameters in water analysis, we only dedicate ourselves to pH, ORP, conductivity, dissolved oxygen, turbidity, and ISE. The experience and technologies we’ve accumulated over the years in this small field ensure the precision and reliability of our sensors and meters.


Industry-leading 2-Year Warranty

Every key component of our products is manufactured in-house so we have the total control over the quality of our products. Most of our instruments come with an industry-leading Two-Year limited warranty (six months for sensors). Some models even come with a Three-Year warranty.


Our Goal Is Your Full Satisfaction

We know how hard and frustrating water testing can be, especially when it comes to hobbyists and first-time users. Our customer support representatives are ready Monday-Friday 9 to 5 Est. to answer any questions you might have and provide the best technical support to make sure you use the right tool and get the right result. In the meantime, you can find plenty of helpful tutorial videos and articles in our customer support sitesupport.aperainst.com, and also submit a support ticket if you prefer to communicate via email. We are constantly adding more helpful information to the support site to improve your user experience.


We Give You The Best Value

We believe monitoring water quality in a reliable and effortless manner is essential to improve people’s lives. And the cost to do that shouldn’t be exorbitant. While we ensure every single Apera product has the best quality, we also work hard to lower the cost so that it’d be more attainable to you.