The products are suitable for various laboratories such as industrial and mining enterprises, scientific research institutes, etc. WS70-1 Infrared Fast Drying uses infrared heat source for drying and evaporation.

Turn on the power and turn on the lights of the counting pool. Throughout 001 inches; insert the probe plug into the instrument socket and press down. Reset and cycle through; set key to zero to make the instrument work.
Place in a Petri dish for testing.
C. Count the colonies one by one on the bottom of the Petri dish with a probe pen. Every point should be heard. Eucommia; Yingang's explanation is effective, otherwise it should be focused. At this point, the colony at that point is colored and the number is automatically incremented.
Check carefully with the magnifying glass to make sure nothing is missing and the count is complete.
The number on the display screen is the number of colonies in the Petri dish.
Record the number and remove the Petri dish. According to and other; reset and traverse; Key, the screen enters the initial state.
Precautions
The instrument should be used on a flat, firm surface.
Do not tilt the probe too much while counting colonies. Enter the number when the probe is pressed lightly until it pops.
The instrument should be protected from moisture, shock, direct sunlight, acid and alkali corrosion, and a dust cover should be added after use.
Take care to prevent bacterial culture from contaminating the counting tank.
Neither the instrument nor the probe can be disassembled at will. If a fault is found, it should be repaired by an experienced technician.