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About Us

Since 1991, Apera Instruments has been at the forefront of electrochemical sensor and instrumentation development, delivering cutting-edge measurement solutions for pH, ORP, conductivity, TDS, salinity, resistivity, dissolved oxygen, turbidity, and various ions. Our industry-leading technologies, rigorous quality control, and exceptional customer service have made us a trusted name in over 60 countries, with millions of our products in use worldwide. Every Apera product is CE and RoHS certified and manufactured in our ISO 9001:2015-certified facility, ensuring the highest standards of precision and reliability.


For over 30 years, our mission has been to empower individuals, organizations, and communities with innovative, user-friendly electrochemical instruments. We serve a diverse range of users—from scientists and researchers to students, business owners, and hobbyists—helping them make informed decisions about water quality. By advancing accessible and reliable testing technology, we strive to contribute to a more sustainable future where clean water is a universal reality.


Our Values

Customer First – We are dedicated to our customers’ success, providing exceptional support and tailored solutions to meet their needs.

Continuous Improvement – We foster a culture of innovation and quality, constantly enhancing our products, services, and processes to stay ahead.

Sustainability – We are committed to reducing environmental impact, integrating eco-friendly practices into our operations and product design.



Be devoted to one another in love. Honor one another above yourselves. Never be lacking in zeal, but keep your spiritual fervor, serving the Lord.

–– Romans 12:10-11


Apera Europe official website
Apera Japan official website
Our Youtube Channel for video tutorials
Click here to download our latest product catalog
Click here to download MSDS
Click here to go to our customer support site

Why Choose APERA?

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30+ Years of Expertise in Electrochemistry


Since 1991, Apera Instruments has been dedicated to the design, development, and manufacturing of electrochemical sensors and instruments. Over three decades of specialized experience and technological advancements have built the foundation of our product reliability, ensuring precise and consistent water quality measurements across various industries.

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Unmatched Quality & Industry-Leading Warranty


We manufacture every key component of our products in-house, especially all the sensors (electrodes), giving us complete control over quality and performance. This confidence allows us to offer an industry-leading warranty—all our instruments come with a minimum two-year limited warranty, while sensors are covered for six months at a minimum.

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Your Satisfaction, Our Mission


We know that achieving accurate water test results can sometimes be challenging. That’s why our dedicated customer support specialists are always ready to assist you. Whether you need troubleshooting help or expert guidance, we provide multiple support resources, including:

Comprehensive tutorial videos and articles on our customer support site

Email support and ticket submission for direct assistance

Regular updates with new resources to improve your experience

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The Best Value, Without Compromise


Reliable and easy-to-use water quality monitoring should never be a luxury. At Apera Instruments, we are committed to delivering the highest-quality products at the best possible value, ensuring that every user—from professionals to hobbyists—has access to affordable, high-performance solutions.