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...
เครื่องแก้ว เครื่องแก้ว
Beaker , Volumetric Flask
Brand Oberoil UK
Made of glass and a bottle containing chemicals are made.
Strength and quality Pyrex. Or even better quality.
Affordable than ........ try to compare to.
I know ..... it's cheaper but the quality is no different.
