Bel-Art Hand-Held Colony Counter Replacement 3V Battery

A cost effective and accurate way to count colonies of bacteria or other microorganisms grown on an agar plate. This simple to operate device marks, counts, and gives an audible and visual alert each time a count is registered. The lightweight, pen-style design reduces the likelihood of error, combining all aspects of counting into one motion. F37862-0002 is CE marked. Fast, accurate and economical sample counting and sample count verificationStores up to 35 sample countsVerify sample counts with up/down countingDisplays sum total of all colonies countedBacklit display for easy viewing in low light conditionsAudible alert can be turned off if desiredCounting function can be locked to prevent error during breaks between countingLong life, red and black felt-tip markers (included) work on plastic or glass and are oil and water resistant; ink is removable with ethyl alcoholIncludes 3V lithium battery and protective storage case.