Three screens are displayed simultaneously, and one liquid can be performed simultaneously.PH, ~ORP-EC(CFB) TDSThe measurements. *wall design, easy to install, operational. * Internal charge cells for sustainable use after power outages. *According at the same timeBNCStandard plug-in to facilitate the replacement of electrodes. * Power supply adapters can be distributed according to the client's requirements. :: Toolkits, built-in instruments, electrodes and all accessories, easy to use