Frog VisionCODadoptUV LED 254nmLight source, combined with turbidity compensation optical components, measured by254nmCalculate the absorption of water based on its absorbanceCODContent. It does not comply with Chinese environmental standards, but meets German standardsDIN 38404This method is a national standard and has been widely used in Europe and Japan. It has also been attempted and deployed on a small scale in China.

Frog VisionCODNo reagents, maintenance cycle4For weeks or more, just keep the light window clean. If there is dirt covering, please use xi yansuan to wipe the light window with dust-free paper. Calibration using national standard potassium hydrogen phthalate1Point or2Just click on calibration. The calibration cycle is usually every few months.

Frog VisionCODThe sensor can be installed in a plug-in manner, with a maximum installation depth underwater10Meter, can be installed vertically or horizontally. Remember to fix it in water and ensure that there is no obstruction around the brush, and there are no foreign objects wrapped around the brush. It is recommended that everyone choose to equip themselves with a Frog VisionCODProtective cover accessories can effectively prevent foreign objects from entangling the brush and causing motor failure. The motor malfunction caused by entanglement of foreign objects is not present12Within the warranty coverage of one month.