This PH & EC Meter has a digital display.

PH & EC Meter Functions:

• PH : Ideal Instrument For Any Aquarium, The Fishing Industry, Swimming Pools, Spa, School Laboratories, Food & Beverage, Drinking Water.
• TDS & EC : To Test The Filter Water Quality Purity, To Check The Performance Of Your Water Filter, To Check For Hardness (1Grain=17Ppm).