Hanna Instruments Carrying Case HI740318 - Protective Case for HI96 Series Photometers Aquarium One is for turning the

One is for turning the meter on/off and the other for automatic one point calibration

or preparing for an emergency

Battery life aprox

Residue from the sample can impact the sensitivity of the sensing bulb and clog the junction

Hanna Instruments Carrying Case HI740318 - Protective Case for HI96 Series Photometers Aquarium One is for turning theProtect your investment and stay organized with the Hanna Instruments HI740318 carrying case. This professional grade protective case is custom designed for HI96 series portable photometers, providing secure storage and transport for your instrument, reagents, and accessories in the lab or field. Superior Protection Features: Custom fit design: Precision molded interior specifically for HI96 series portable photometers Durable construction: Rugged