Colonometer is a instrument used to automatically count the number of cells or colonies present in a sample. They are capable of determining the number of cells, whether they are viable. Colony counters are used to estimate a liquid culture’s density of microorganisms by counting individual colonies on an agar plate, Petri dish, Slide or mini gel. - Compact structure makes it less space occupation. Adapted for various environment. - The LED light can be adjusted to make an ideal perspective for the operator. - It will beeps while counting, which can avoid wrong counting. - Unique Up-light source makes it convenient to count bacteria that is hard to observe.