SMART SENSOR Portable Aquaculture Water Quality Analyzer For Dissolved Oxygen 1. Dissolved oxygen measurement range: 0.00-20.00 mgL Dissolved oxygen measurement basic error: 0.4 mgL 2. Measurement response time: 30 seconds 3. Dissolved oxygen temperature compensation range: 0-40°C 4. Measured dissolved oxygen water temperature range: 0-40°C 5. Power supply: 3.7V rechargeable ion battery 6. Operating temperature: 0-40°C 7. Operating humidity: 85% RH 8. Detachable design for easy operation and replacement 9. Extended split probe for easy measurement in deep waters 10. USB lithium battery charging, supports multiple charging methods 11. High-definition LCD display with built-in backlight for clear and intuitive display of values 12. High-precision waterproof probe for accurate measurement and quick response 13. The instrument's temperature will affect dissolved oxygen measurements, and this effect is particularly pronounced if high accuracy is required. Therefore, a temperature compensation function is included. 14. The instrument is IP65-rated for waterproofing and moisture resistance, ensuring it can function normally even if dropped into water or dissolved in liquids. 15. Cable length: 1 meter 16. Dimensions: 165 x 40 mm