The utility model relates to the technical field of kit, concretely to a kind of
ammonia nitrogen reagent is with rapid quantitative kit, including box, support seat, color card, limit frame, protective plate and connecting mechanism, the support seat is set in the box bottom, the support seat is equipped with several, the box top center is equipped with liquid inlet
assembly, the box one side bottom is equipped with liquid outlet
assembly, the limit frame is set in the box front one side, the box front other side is equipped with observation window, the color card is located in the limit frame interior, the color card top is connected with
electromagnet one end,
electromagnet other end adsorbs the limit frame inner wall, the protective plate is connected with the limit frame by the connecting mechanism, the connecting mechanism includes sliding slot, fixed block, limit block, bearing, electric push rod and limit plate, the sliding slot is opened in the limit frame inner wall, a kind of
ammonia nitrogen reagent is with rapid quantitative kit of the utility model, solve the problem that current equipment protection effect is poorer.