The rotary turntable checkweigher for bottle adopts a turntable structure design, using an alternating feed rotation system to position and stabilize the product on the static weighing plate, providing the best accuracy and repeatability at high production speeds and saving space. The bottle production line check weigher is mainly composed of front chain feeding, clamping turntable, weighing module, discharge chain plate, and rejection. Photoelectric positioning, the turntable accurately delivers the product to the weighing sensor.