YSI ProSwap Logger — External Power (No Battery) Configuration:Medium Depth (non-vented) — 100m cable pH (Phenol Red) reagent pack

pH (Phenol Red) reagent pack for the 9300

rain or shine

Conductivity and temperature sensing is built directly into the cable — no separate sensor purchase required

durable aluminum tubing

YSI ProSwap Logger — External Power (No Battery) Configuration:Medium Depth (non-vented) — 100m cable pH (Phenol Red) reagent packThe 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