Apera Instruments PC60 Premium pH/EC/TDS/Salinity Multi Parameter Pocket Tester, Replaceable Probe, Waterproof, ±0.01 pH/1% Accuracy, 2.00 16.00 pH; 0 20.00 mS/cm Range, ±0.5C Temperature Sensor

Simultaneously tests pH/EC/TDS/Salinity/Temp in a quick, accurate, and reliable manner Easy-to-install Replaceable Multi-parameter Probe with EASY measuring mode switch Auto recognition of stable values (with optional auto hold function) improves consistency so you don't have to guess when to manually hold measurement Large clear viewing angle screen with 3 backlit colour (indicating 3 different modes), dual display of temp/pH/EC/TDS/Salinity, and indications of completed calibrations and stable readings Complete kit with ready-to-use calibration solutions, calibration bottles, storage solutions, aaa batteries, and a lanyard all in a premium portable carrying case