Oxygen disolved complete set Range 1-12 ppm
Oxygen disolved refill Range 1-12 ppm 30test/pack
Comparator 1-12 ppm
The ampule with the sample to be analyzed is mixed with DO Reagent...
Wintec brand of filter paper from Japan.
No.1 ,No.2,No.4,No.5,GF/C,GF/A
