91.3 GENERAL DESCRIPTIONHI 9828 is a multiparameter system that benefits from years of experience ofHanna Instruments as a manufacturer of analytical instruments. Waterproof,resistant and easy to use, it is the ideal solution for field measurements of lakesand rivers. Thanks to the microprocessor based multisensor probe, it is possibleto measure all the parameters necessary to evaluate the water quality, as Dis-solved Oxygen saturation percentage, Conductivity, Specific Gravity and otherparameters that ensure life in water as pH and temperature. It is also possible touse the same probe with different meters without the need to recalibrate thesystem.Up to 12 parameters can be enabled and seen in the large graphic display withbacklight. All the readings can be memorized and associated to a precise sam-pling area thanks to the i-Buttom system and the remarks that the operator caninsert before or during measurements. The same data can be plotted on themeter and also downloaded to a PC by means of USB connector and HI92000Windows® compatible application for successive elaborations.The setting menu can be protected by password to avoid not authorized modifi-cations and the help function is always available to explain the selected function,operation or message.The main features of HI 9828 series include:• Measurement of Dissolved Oxygen, pH, ORP, Conductivity and related pa-rameters, Temperature, Atmospheric pressure and Seawater specific gravity;• Field replaceable sensor modules for DO/Temperature/EC and pH/ORP;• 5 interface languages: English, Italiano, Française, Espagnol, Portogues;• Graphical display with backlight;• GLP features;• i-Button system to remark the sampling area;• Up to 60,000 samples stored in 100 different lots;• 4 C size Ni-MH rechargeable batteries;• Possibility to recharge from mains power supply and from cigarette lighter;• Password protection.