Combi pH/TDS/Temp Pool Meter

Offers high accuracy conductivity, PH and total dissolved solids (TDS) and temperature measurements. Waterproof casing floats to aid retrieval and has large, easy to read, dual level LCD and automatic shut off after periods of non use to conserve battery life.
Replaceable pH electrode cartridge with an extendable cloth junction as well as a graphite electrode for conductivity and TDS readings that