Description PINPOINT® Salinity Monitor will accurately and immediately measure the amount of salt in any marine or freshwater system. The reading is fully temperature compensated, which is difficult or impossible with nearly any commercial hydrometer. The conversion chart will precisely show the corresponding density (specific gravity) or % salt (refractometer) values. This monitor is especially useful to determine the low level of salt required for Koi, whether in an aquarium or outdoor pond. Given proper care, the PINPOINT® Salinity Monitor should last a lifetime. Powered by a standard 9-volt battery (not included). Optional AC Adaptor Kit available Additional 53.0 mS calibration fluid. Salinity Conversion Chart. PINPOINT® digital display monitors have been used by professional aquaculture all over the world since 1991. PINPOINT® monitors offer the most in value, performance and reliability. Every PINPOINT® monitor is battery powered and come with a 2-year guarantee. These are true laboratory grade instruments with dedicated, replaceable probes. With proper care, the monitors should last a lifetime.
