HM Digital PS-203 Dual Display TDS Controller seawater refractometer By simply immersing the electrode

By simply immersing the electrode in the HI7061-023 cleaning solution for 15 to 20 minutes will dissolve any mineral deposits or other coatings

Dimensions Packaging: 12 x 11 x 4

Manufactured by Hanna Instruments to the same exacting standards as their precision testing equipment

and grow lights

HM Digital PS-203 Dual Display TDS Controller seawater refractometer By simply immersing the electrodeThe PS 203 allows for continuous and simultaneous monitoring and control of TDS levels on two water lines for high output commercial systems. FEATURES Simultaneously monitors and controls the TDS levels of two water lines (e. g., the feed water and product water) for high output commercial systems. 4 Digit large, bright L. E. D. displays An alarm will sound if the TDS level rises above the user set level for both lines Includes two 1 2 sensor probes