Since 1991, APERA Instruments has been developing, manufacturing and distributing reliable electrochemical instruments and electrodes for the measurement of pH, ORP, conductivity, TDS, dissolved oxygen, salinity, TDS and turbidity.

Consistent goals and comprehensive service are essential for Apera Instruments in order to win the trust of customers. We listen attentively to each customer’s needs and feedback and consider the customer’s goal as our own so that each collaboration progresses on a path. Based on the same goal, Apera Instruments will continue to innovate for its customers with dedicated and extremely professional services. Trust is the promise and guarantee we deliver to our customers.

Apera Instruments Europe GmbH


Here you can go to our support site where you find more information and we answer frequently asked questions.


Here you will find our latest catalogues and software for our products.

Knowledge Base

Here you can find out how to measure different parameters or what the parameters mean exactly.