Haofy Pen Type Digital Salinity Meter, Salinity Refractometer Probe Sensor Tester Monitor Measurement Checker, For Water Quality Pond Pool Aquarium Saltwater Seawater Drinking Water

Specification: Item Type: Salinity Meter Material: ABS Weight: Approx. 147g / 5.2oz Uses: widely used in swimming pools fisheries drinking water laboratories Measurement Index: Salinity 0-199.9 PPT Battery Attributes: 4 x 1.5 v (AG-13) (battery not included ) How to Use: the test head can be placed in the liquid to be tested (please refer to the manual for details). Package List: 1 x Salinity Meter (Battery Not Included) 1 x Screwdriver 1 x Manual