Kaitātari kounga wai matawhānui 5B-3B(V10) ki te whakamātau i te hiahia hāora matū(COD), haukinia hauota(NH3-N), te katoa o te ūkuikui (TP), te katoa o te hauota(TN), te turbidity, TSS, te tae, Te parahi, te rino, te chromium , nickel, zinc, fluoride, toenga māota, aniline, hauota pākawa, hauota nitrite, etc. Ko te spectrophotometer mahi-maha.