This is an accurate reliable and easy to use instrument for counting of Bacterial and mould colonies in Petridishes. This DIGITAL colony Counter is a micro-controller based instrument with unique feature of Eight Channel memory facility and also having the Start-Stop coomand to avoid any error in counting. A Red LED is given on the front panel to indicate the instrument is in COUNTING mode. A user can move to any channel from S1 to S8 or vice versa with key pad switches (k2) & (k3). Further you can count upto 9999 in each channel and they will remain in the memory till you press the ERASE switch (K1). This instrument is a basic bench tool for the microbiologist. The integral magnifying glass is provided for easier counting of small colonies.