The perfectly thought-out Protos® 3400 C measuring system is based on a modular hard and software concept for process analytics. It offers accurate solutions for a wide range of applications. The combination of modules allows for the measurement of multiple parameters, like pH\/DO, pH\/cond, pH\/pH, cond\/DO. Similar to a PC, the device is equipped with 3 slots and, therefore, can be flexibly configured and easily retrofitted at any time.","Protos® 3400 C offers a new dimension of functionality and reliability combined with an unsurpassed user comfort. The pin-sharp display ensures excellent readability under all light conditions. And the integrated SMARTMEDIA® card allows you to store configurations, software updates and process parameters. All devices are equipped with the universal VariPower® broad range mains adapter for 20 to 265 V AC\/DC. The rugged, coated steel enclosure securely protects the device during rough treatment in industrial environments and allows for panel, wall or pipe mounting.