YSI ProSwap-1 Handheld Configuration:+ Cable, Medium Depth - 100m 32–160°F - - - Adjustable

32–160°F - - - Adjustable Temperature Compensation to 25ºC 0–9

Built with a large membrane keypad and bright display for use in challenging environments

32 Total Algae-Phycoerythrin Sensor (Salt Water) 626211 $3

Gas detection tubes are essential tools for measuring gas concentrations in parts per million (ppm)

YSI ProSwap-1 Handheld Configuration:+ Cable, Medium Depth - 100m 32–160°F - - - AdjustableThe YSI ProSwap handheld pairs with 1 port cable assemblies and any ProDSS smart sensor, giving field teams a lighter, lower cost alternative to the full ProDSS system when only one parameter needs to be swapped in the field. Select your cable configuration below, or choose "Instrument Only" if you already own a compatible cable. A ProDSS smart sensor is required to complete the system or browse the full YSI Parts & Accessories collection. No GPS.