On-site detection machine for free residual chlorine in water

The utility model discloses a field detector for free residual chlorine in water quality, which relates to the technical field of water quality detection and comprises a mounting rack and a detection cylinder, and a driving connection mechanism is arranged on the right side surface of the mounting rack; a chip detection mechanism is arranged in the detection cylinder, the right side face of the mounting frame is composed of a driving block, a lithium battery, a USB charging interface, a first display screen interface, a power switch, a stop switch, a start switch and an operation indicating lamp, and the rotating rod is in threaded connection with the top cover through a rear threaded rod; the interior of the detection cylinder is composed of a constant-temperature chip tray, a chip fixing groove, an optical detection cylinder, a partition plate, a connecting sleeve, a display screen and a second display screen interface. According to the on-site detection machine for the free residual chlorine in the water q