AquaPlus Package is suitable for monitoring Dissolved Oxygen, Conductivity and Temperature in a combined AquaPlus Probe. Probe Dimensions: 250mm length x 24mm diameter. IP68 permanent immersion to 30m, 1 month to 100m. Dissolved Oxygen: Range: 0-500.0%/0-50.00mg/L; Resolution: 0.1%/0.01mg/L; Accuracy: 0-200% (± 1% of reading, 200%-500%: ±10%). Conductivity (EC): Range: 0-200mS/cm (0-200,000µS/cm); Resolution: 3 Auto-range scales: 0-9999µS/cm, 10.00-99.99mS/cm, 100.0-200.0mS/cm; Accuracy: ±1% of reading. Temperature: Range -5 to + 70°C; Resolution: 0.01°C/F; Accuracy: ±0.5°C. AquaPlus Package includes AquaPlus GPS Meter, AquaPlus Probe supplied with sensor cap, a 3 meter cable and various accessories all supplied in a Hard Carry Case.