WTW MultiLine® Multi 3620 IDS Multi-Parameter Portable MeterAdvantages by IDS Intelligent, digital Sensors measure and combine measurement results with sensor data no matter if operated by cable or wireless module. And perfectly f itting to them we developed the new MultiLine IDS series for pH, ORP, dissolved oxygen, conductivity and turbidity. Case sets including sensors allow immediate use MultiLine IDS portable meters are robust and waterproof according IP 67. Depending on the model they have one or two USB