酸鹼度/氧化還原 pH/ORP
pH/ORP
導電度 EC
 Electrical Conductivity
 
溶氧 DO
Dissolved Oxygen Saturation
濁度 Turbility
Turbility
懸浮固體 SS
Suspended Solids 
 
化學需氧量 COD
Chemical Oxygen Demand
生化需氧量 BOD
Biochemical Oxygen Demand
 
汙泥濃度 MLSS
Mixed Liquid Suspended Solids
氨 / 氨氮 NH4
Ammonia Nitrogen
亞硝酸鹽 / 亞硝酸鹽氮 NO2
Nitrite Nitrogen
 
硝酸鹽 / 硝酸鹽氮 NO3
Nitrate Nitrogen
 
全氮 TN
Total Nitrogen