Marine Test Instruments

Hydrometers   Seatest Accurate Hydrometer $13.99   8inch Hydrometer/Thermometer $16.99   Electronic Monitors Pinpoint PH Monitor Package $139.99 Includes Pinpoint pH Monitor, pH probe, AC adapter kit, and 3 sets of each calibration fluid (#7.00 & #10.00) Pinpoint Salinity Monitor Package $209.99 Includes Monitor, probe, and AC adapter kit Pinpoint ORP Monitor Package $199.99 Includes Monitor, probe, and AC adapter kit. Pinpoint Oxygen Monitor Package $349.99 Includes Monitor, probe, and AC adapter kit.