UNICO Praha s. R. O. Is a sole distributor of EXAMETER (formerly Eco-Tribo) voltammetric / polarographic devices. Our company is located in Prague / Czech Republic and is in charge of promotion and sale of this line of devices which are on the top of the latest scientific knowledge of electrochemistry. EXAMETER VA and EXAMETER CHVA family polarographs are modern voltammetric / polarographic measuring devices, widely accessible and affordable with computer controlled operation. Connected to any kind of PC computer via built-in 25pin port or USB port. The VA-N notebook version is fully portable USB interface model. EXAMETER VA and EXAMETER CHVA polarographs require no special qualification for users and the system does not need special operation conditions. Extremely easy to use. The operation system is as accessible for beginners as for specialists, all manipulations are simple. Can be utilized in laboratory conditions as well as in industrial environment, workshops, etc. The mea