COD MN method tester

COD MN method tester (Permanganate index)
Model ID: 6B-200M

The design of this instrument is completely based on the relevant national environmental protection regulations. It is applicable to many domestic and foreign testing standards and can quickly determine the permanganate index in wastewater.



-English operating interface, large screen guidance menu liquid crystal display

-It can rapidly test permanganate index in the water

-Single wavelength and center wavelength are 520nm

-The instrument can use national standard samples to make automatic calculation of curve

-Its memory has many standard curves which can be set, modified and saved through manual operation

-It has functions: result display and storage

-Cold light source, narrow band interference, and the light resource life is 100,000 hours

-Push-and-pull hidden cover of colorimeter cell

-It can transfer current historical data to computer (USB interface)


Technical specifications

Measuring range

(0.05-10) mg/L (subsection)

Temperature control range

Indoor temperature ~200

Measuring error


Wavelength coverage


Data storage

Five million data

The number of curves

It has more than 100 standard curves

Batch sample

12 pieces/batches (to collocate according to the requirement   of users)

Resist chloride interference


Product size