Máy đo nước đa chỉ tiêu cầm tay
Model : 556
Hãng sản xuất : YSI
Thông số đo: Salinity-ppt, pH- units, Dissolved Oxygen-% air saturation, Barometer -mmHg, Conductivity-mS/cm, Temperature-°C, Total Dissolved Solids (TDS)-g/L, ORP-mV, mg/L
Dải đo: Dissolved Oxygen-0 to 500% air saturation/0 to 50 mg/L, Temperature--5 to 45°C, Conductivity-0 to 200 mS/cm, Salinity-0 to 70 ppt, pH-0 to 14 units, ORP --1999 to +1999 mV, (auto range), Total Dissolved Solids (TDS)-0 too 100 g/L, Barometer -500 to 800 mmHg