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Battery backup feature retains correct time
The screen also features clear
Fish Only Rating: 1800 Litres
the HI 758 provides quick
Instruction manual
Hanna Marine Waterproof Salinity Tester Sicce Battery backup feature retains correctHanna marine waterproof salinity tester (HI 98319) Hanna Waterproof salinity tester is a more accurate alternative to refractometers, this tester uses conductivity to determine salinity levels of natural and artificial seawater. Salinity results are displayed in either parts per thousand (ppt), Practical Salinity Units (PSU), or Specific Gravity (SG). This marine salinity tester is supplied complete with batteries and solutions allowing you to start