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About Us

Apera Instruments provides scientific electrochemical 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 focused on the development and manufacture of electrochemical instruments and sensors since 1991. Millions of Apera products are being used by customers in over 50 countries. All the products are CE and RoHS certified and are manufactured in our ISO 9001:2015 certified factory.

For over 29 years, we consistently dedicate ourselves to providing more reliable and more user-friendly instruments and sensors for our customers, 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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Quality from 29 Years of Focus

We have been focused on the design, development, and manufacture of electrochemical sensors and instruments since 1991. The experience and technologies we’ve been accumulating over the years in this small field ensure the reliability of our products.

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Industry-leading 2-Year Warranty

Every key component of our products is made in-house so we have the total confidence and control on the quality. All of our instruments come with at least a Two-Year limited warranty (Six-Month for electrodes).

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Our Mission is Your Satisfaction

We understand that getting reliable water test results could be challenging sometimes. Our customer support specialists stand ready to help you solve any problems you might experience in the process. Meanwhile, you can find plenty of helpful tutorial videos and articles in our customer support site, and submit a support ticket if you prefer to communicate via email. We will be regularly adding new helpful information to the support site to improve your experience.

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We Provide the Best Value

We believe that monitoring water quality in a reliable and easy way shouldn’t be a luxury. While we ensure every single Apera product comes with the best quality, we also work hard to give you the right tool with the best value.