Feature●Multifunctional water quality pen product, can measure pH, ORP redox potential, hydrogen H2 and water quality test pen.●It has a high performance pen-shaped design, fast numerical stability, and precise calculation results.●Wide range of uses, can be used for testing water, swimming pools, spas, hydroponics, food, wine and beer, etc.●Equipped with high quality Ti alloy probe and reliable Automatic Temperature Compensation (ATC), it will continuously maintain accurate readings at different temperatures.●Simply turn on the pH meter and gently stir the water, then a stable reading will be displayed on the LCD screen within seconds.Description