The HI2500 Mini-Fertilizer Injection System precisely monitors and controls fertilizer concentrations (EC, TDS, or ORP) and pH for specialized hydroponics and small greenhouse applications.
Fully assembled for easy installation.
Probes are able to hang in a reservoir or be kept on an electrode holder.
Perfect system for the small to medium size grower.
The HI84534 is an inexpensive, easy-to-use automatic mini-titrator and pH meter for rapid and accurate analysis of the total titratable acidity of vinegar. The HI84534 Mini Titrator is a valuable tool because it can eliminate subjective factors including color readings, math calculation errors, or incorrect additions of titrant, and will quickly become a valuable tool for vinegar acidity analysis.
The HI-7698194-3 is an EC, TDS, Salinity and Resistivity sensor for use with the HI-7698494 multiparameter probe for the HI-98194 and HI-98494 portable meters.