YSI ProSolo Handheld hygiene An optional 3/8" (

An optional 3/8" (

Built in reel hanger on ET models and included Leader Guard for longer tape life

liquid-tight seamless dual rubber gasket ensures a reliable seal

Calibration gas should be replaced before its expiry date to keep readings accurate and compliant

N-type batteries and KCl / 442 calibration solutions for this pen are listed in Myron L Parts & Accessories

YSI ProSolo Handheld hygiene An optional 3/8" (The YSI ProSolo is a rugged handheld meter for optical dissolved oxygen, conductivity, salinity, and temperature. It's the direct replacement for the legacy ProODO handheld, with a smart digital probe interface. Select your configuration below: the instrument alone, instrument plus probe assembly, or a complete kit that also includes a carrying case at a bundled price. Need a different case, cable length, or other accessory? Browse the YSI Parts &