Oxygen meter Neon Optod 3M is an advanced device for monitoring oxygen levels in water. Equipped with an optical oxygen sensor made of stainless steel and 3 meters long cable, provides accurate measurements in various environmental conditions. It is an irreplaceable tool for fish breeders, scientists, researchers and engineers dealing in the quality of water who need precise oxygen level measurements for the purposes of monitoring and controlling the aquatic environment. Functions such as the OLED display and data storage can make it not only effective, but also a convenient to use device.