Features: Experience the precisions of Dissolved Oxygen Meter, for accurate oxygen level measurements, ensuring reliable readings even at night.<br> Crafted from plastic, this portable oxygen concentration meter boasts a user friendly port, making it a essential tool for any analytical task.<br> For environmental scientists, aquaculture managers, and water professional, this device is tailored to meet the demands of experts who require consistent and precise data.<br> Whether monitoring oxygen in fish farm, conducting water quality assessments in natural body of water, or managing aeration systems in wastewater facilities, our Dissolved Oxygen Meter delivers unparalleled performances.<br> Enhances your analytical capabilities with this indispensable instrument that combines functionality, empowering to conduct thorough inspections and maintain conditions.<br> Specifications: Material: Plastic<br> Automatic Temperature Compensation: 0-40℃<br> Measurement: 0.0-40.0mg/L<br> Dissolved Oxygen Saturation: 0.0-300.0%<br> Temperature: 0-40°C; 32-104°F<br> Battery: 3x1.5V LR44 Battery Requires(NOT Include)<br> Size: About. 155x35mm/6.1x1.38in<br> Package Includes: 1 Set Dissolved Oxygen Meter<br> note: Please allow 1-2cm errors due to manual measurement.<br> Due to difference between different monitors, the picture may not reflect the item actual color.