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About Us

Apera Instruments provides all types of scientific instruments and sensors for measuring pH, ORP, conductivity, TDS, salinity, dissolved oxygen, turbidity, and ISE with our industry-leading technologies, quality control system and customer service.

We have been focusing on the development of electrochemical water analysis instruments and sensors since 1991. More than a million pieces of Apera products are being used by customers in over 50 countries. All the products are CE and RoHS certified and are manufactured by our ISO 9001:2015 certified manufacturing base.

For over 28 years, we have always been dedicated to providing more reliable, accurate, and user-friendly water analysis instruments and sensors, a goal we continue to strive for.


Apera Instruments is a member of the following associations.
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Apera Germany www.aperainst.de

Click here to download our latest product catalog.

Click here to go to our support site to view some helpful video tutorials and articles.

Click here to download MSDS

Why Choose APERA?

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Precision from 28 years of Focus

We have been focusing on the design, development, and manufacture of electrochemical sensors and instrumentations since 1991. There are hundreds 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.

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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.

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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 site support.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.

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We Give You The Best Value

Being able to monitor water quality in a reliable and effortless manner is fundamental to the quality of life. 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 make sure you get the right tools with the best value.