YSI ProSolo Handheld hygiene Calibration gas should be replaced

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

and interface needs

Optional Tape Weight helps sink probe into a deep or crooked well

1 Each Stability Cord (3ft

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

YSI ProSolo Handheld hygiene Calibration gas should be replacedThe 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 &