HJ/T 96-2003 《The technical requirement for water quality automatic analyzer of pH》 Related products

The technical requirements specify the technical performance requirements and performance test methods of pH water quality automatic analyzers for surface water, industrial wastewater and municipal wastewater, and are suitable for the development, production and performance inspection of such instruments. Terms include specimen, pH standard solution and drift, etc. The measurement principle adopts Glass electrode method, Measurement range is pH2~ 12. Operating voltage is single-phase (220 +/- 20) V, Frequency is (50 +/- 0.5) Hz.