Hanna Instruments Rugged Optical Dissolved Oxygen Meter

The HI98198 opdo® meter is a rugged, portable dedicated dissolved oxygen (DO) meter designed for fresh and saltwater measurements of dissolved oxygen. This professional, waterproof meter complies with IP67 standards and measures DO, barometric pressure, and temperature. The HI98198 opdo meter is only compatible with HI764113 digital dissolved oxygen probe For Fresh and Saltwater Applications.