Semi-automatic bacterial counting instrument with digital display, featuring a counting chamber and counting pen for efficient operation. Manufactured with integrated circuits and energy-saving circular fluorescent lamps, providing clear contrast for accurate colony visualization. User-friendly design reduces labor intensity for laboratory staff, enhancing efficiency and improving work quality. Ergonomic sloped chamber allows for easy observation and convenient counting, facilitating accurate recording of total colony counts. Ideal for bacterial testing in various applications including food, beverages, pharmaceuticals, cosmetics, drinking water, and industrial wastewater.