Professional TDS ppm Meter | Digital Test Pen Combines EC, TDS & Temp (3-in-1) | 0-9999 ppm & ± 2% Accurac

? PROFESSIONAL WATER QUALITY METER: This advanced ppm reader combines TDS ( Total Dissolved Solids ), EC ( Electrical Conductivity ) and a Temperature meter all in one ergonomically designed pen providing a detailed report on everything you need to know. Whether for monitoring drinking water, fish, nutrients or colloidal silver. You can SAVE the measurements for future reference.
? THE MOST ACCURATE READINGS: Most similar products that measure just TDS or EC have conversion results vary up to 20%. This smart meter calculates and combines both values determining the strength of hydroponic solution more accurately than a simple TDS water pen would. Its measuring range is 0-9999 ppm with accuracy: