YSI ProSwap Logger — External Power (No Battery) Configuration:Medium Depth (non-vented) — 100m cable Standard Economy Kit - Case

Standard Economy Kit - Case with Custom Cut Foam

Lower Explosive Limit (LEL)

durable aluminum tubing

Poly coated stainless steel tapes

with an audible tone and LED indicator for clear readings

YSI ProSwap Logger — External Power (No Battery) Configuration:Medium Depth (non-vented) — 100m cable Standard Economy Kit - CaseThe no battery version of the YSI ProSwap Logger same slim, single port submersible sonde with built in temperature and depth sensors, but requires external power via the Topside Power Pack (6AA batteries) or Flying Lead Adapter (connects to an existing DCP). Ideal for sites where AC or DCP power is already available, or where an extended power pack is preferred over a rechargeable internal battery. Add any single ProDSS Digital Smart Sensor (sold