MULTI-FUNCTIONAL FULL-AUTOMATIC TESTING INSTRUMENT FOR WATER QUALITY

The utility model belongs to a continuously automatic testing instrument for water quality in conductance, ph value, arsenic content, and mercury content. The testing instrument connects a device for conductance measurement, a device for ph value measurement, a device for arsenic content measurement and a device for mercury content measurement by a microcomputer, and a multi-functional testing instrument which can control the devices automatically and make automatic sampling, automatic feeding, automatic test, data processing, and result printing realized is formed. The microcomputer is electrically connected with a testing device. By the control of a vacuum pump and a peristaltic pump, the process of automatic continuous measurement can be completed; the data processing of the test result can be completed by the microcomputer; the result of the data processing is printed.