Hanna Instruments HI98304 DiST 4 is a large-scale Electrolytic Conductivity (EC) meter that can measure up to 20.00 mS / cm making it ideal for various applications such as water treatment, boilers and cooling towers, agricultural, including hydroponics and general laboratory use.
DiST 4 is a durable and reliable pocket controller for use in the lab or field.
This modern meter is simply 0.7 "and is extremely ergonomic, fitting comfortably in your hand.
With two-button operation. one for ON / OFF, the other for calibration.