Handheld Portable Dissolved Oxygen Meter DO Meter

Handheld Portable Dissolved Oxygen Meter DO Meter. IP67 Waterproof & Floatable: Dustproof and waterproof design with IP67 rating; floats on water for safe operation. Large Backlit LCD Display: 65*40mm multi-line LCD with backlight for clear reading in low light conditions. 256 Sets Data Storage: Stores and recalls up to 256 sets of measurement data for convenient record keeping. One-Key Calibration: Simple operation with one-key calibration and automatic identification for correction. Auto Temperature Compensation: Automatically compensates for temperature changes after salinity and pressure input. Wide Measurement Range: Measures oxygen concentration from 0.00 to 40.00 mg/L with high resolution. Long Battery Life: Powered by 2*7 AAA batteries with auto power-off after 10 minutes of non-use.