Water fecal coliform on-site tester

The utility model relates to the technical field of water quality detection devices, in particular to a water quality fecal coliform on-site determinator, which comprises a determination rod, protective sleeves and a determinator body, a data transmission line is inserted into one side of the determinator body, the protective sleeves are mounted on two sides of the lower end of the determinator body in a horizontally aligned manner, and the data transmission line is inserted into the data transmission line. The device comprises a protective sleeve, a storage cavity is formed in the protective sleeve, a measuring rod is slidably mounted in the storage cavity, a wiping sponge is arranged at an opening in the lower end of the protective sleeve, the inner wall of the wiping sponge is attached to the outer wall of the measuring rod, and one side of the upper end of the measuring rod is in threaded connection with a positioning screw. The extending length of the measuring rod can be flexibly adjusted through the po