Introduction
A manual colony counter is a simple laboratory instrument used to count the number of colonies of microorganisms on a culture plate, with the counting performed by the operator, and it is used in microbiology laboratories, food testing, clinical laboratories, and research. The manual colony counter consists of an illuminated viewing surface, a magnifying lens, and a counting device, and it may include a dark-field or light-field illumination; the culture plate is placed on the illuminated surface, the colonies are viewed through the magnifying lens, and the operator counts the colonies, marking each colony with a marking pen or registering the count with a handheld counter, and the colonies are counted by eye, with the counting assisted by the illumination and magnification; the manual colony counter provides a simple and economical method of counting, and it is suitable for plates with a moderate number of colonies, and it is used with various counting aids, such as a grid or a light, and the count is recorded manually; the manual colony counter is used for the total viable count, for the enumeration of specific microorganisms, for the assessment of the microbial load, for quality control, for education, and for many other applications. Manual colony counters are used in food and water microbiology, in clinical laboratories, in pharmaceutical testing, in research laboratories, and in educational institutions, and they are available as simple benchtop instruments with features such as a magnifying lens and illumination. With their simple counting, manual colony counters are practical instruments for microbiological enumeration.
Manual Colony Counter LMCC-T2011
Manual colony counter accommodates a wide range of colony counts from 0 to 999 for accurate measurements. This colony counter fits petri dishes from 50 to 150 mm, offering versatility. I...
Manual colony counter LMCC-T2010
Manual colony counter accommodates a wide range of colony counts from 0 to 999 for accurate measurements. This colony counter fits petri dishes from 50 to 90 mm, offering versatility. It...
Standards
ISO 4833-1:2013-Microbiology of the food chain-Horizontal method for the enumeration of microorganisms-Colony count at 30
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