Portable Optical Dissolved Oxygen Meter

The Portable Optical Dissolved Oxygen Meter features a handheld unit paired with a fluorescent sensor that eliminates the need for membranes and electrolytes. Utilizing advanced fluorescence technology, it measures dissolved oxygen without consuming oxygen or requiring water flow or agitation. Its built-in NTC temperature compensation ensures precise and stable readings with excellent repeatability. Designed for minimal maintenance, this optical sensor provides reliable performance ideal for professional environmental and laboratory applications. Applications The device features an IP67-rated housing for robust protection against dust and water ingress. Equipped with a 3.5-inch color display, it offers an intuitive interface for straightforward and efficient operation.  Ergonomically contoured for comfortable handheld use, it includes a rubberized, non-slip strap to ensure secure grip even in wet conditions.  Supports data storage with easy export capabilities via a USB connection.  Contains a built-in rechargeable battery that charges conveniently through USB without battery removal.  Automatically detects the connected sensor type and adjusts the display interface accordingly.  Allows full sensor parameterization and calibration for precise measurement customization. Specifications Measuring Range DO：0 -20 mg/L；0-20 ppm；0-200% Temperature：0-40℃ Measurement Accuracy DO：3% or ±0.3mg/l(take max) Temperature：±0.5℃ Resolution 0.01mg/L Calibration Air automatic calibration, sample calibration Housing Material Sensor：SUS316L Host housing：ABS+PC Storage Temp. -15-60℃ Operating Temp. 0-45℃ Size & Weight Sensor Size: 25mm * 127mm weight: <0.3KG Host size: 203*100*43mm, weight: 0.5KG Protection Level Sensor IP68  Host housing：IP67 Cable Length Standard 3 meter cable (can be extended) Display 3.5-inch color display screen with adjustable backlight Data Storage more than 100,000 data points Downloads Portable Optical DO Meter Datasheet Portable DO Users Manual