Value:  7

extending probe life and maintaining optimal performance

reagent packets

The DiST® 5 is unmatched for EC

Bench Logging Meter is preferred by people testing samples in various applications

HM Digital COM-300L pH EC TDS Meter - Waterproof 5-in-1 Professional Tester MA872 Value: 7Professional 5 in 1 Waterproof pH EC TDS Salinity Temperature Meter The HM Digital COM 300L is a professional grade waterproof combo meter that measures pH, Electrical Conductivity (EC), Total Dissolved Solids (TDS), Salinity, and Temperature in a single rugged instrument. With IP 67 waterproof rating, digital calibration, and replaceable probe technology, this meter delivers lab quality results for hydroponics, water treatment, aquaculture, pools,