Did you know that your Autolab / Metrohm Autolab high-precision instrument features an easy-to-use self-diagnostic procedure? Run TESTCV on your NOVA or GPES software with the provided dummy cell. The system will self-test all modules in your configuration and tell you how it feels. The test procedure will give you a good insight into the health of your instrument and components. A healthy instrument will guarantee precise and accurate readings! If unsure, send the results to our certified Metrohm service department for support.