Pentype Multi-Paramater 5-in-1 Water Quality Tester (pH/TDS/EC/Temp/Salinity) Waterproof Digital Meter Household Industrial Laboratory Analysis

Handly all in one instrument (pH / TDS / EC / Temperature / Salinity) with backlight function so you can clearly see the reading even in darker environment.; The unit is factory calibrated, you can use it right away and it has replaceable electrode, no need to buy a whole new set in the future; Automatic Identification 3-Points Calibration for both EC and pH measurement. The whole set comes with free pH buffer powder.; Worry free in using the meter in you analysis it comes with IP67 waterproof and dustproof resistant level; Wide range of application in household, industrial research and engineering, use in hydroponics, aquaculture, aquaponics, and freshwater systems to monitor the amount of nutrients, salts or impurities in the water.