SMART SENSOR Digital Salinity Meter with Color Screen Display 0.00ppt-9.99ppt 10.0ppt-50ppt Seawater Pool Aquarium Fish Multifunction Salinity Gauge Electronic Waterproof Refractometer with ATC and Re

1、【MEASURE RANGE】With 0.01ppt/0.1ppt resolution, 0.00ppt-9.99ppt/10.0ppt-50ppt salinity measuring range, °C/°F display, 0-60℃ solvent temperature compensation range. The temperature unit is °C/°F (switchable) to meet the needs of use in various environments. 

2、【HIGH PRECISION】The advanced 2-in-1 smart pen combines salinity measuring and temperature measuring ,to achieve high accuracy, equipped with premium quality metal probe, and reliable automatic temperature compensation (ATC) ensures reading always be accurate at various temperatures. 

3、【PROBES REPLACEABLE】 Hand-held design and non-slip pen handle for easy operation, configurable replaceable sensor probes - electrode probes can be replaced with a plug-in design for quick and easy replacement. 

4、【EASY TO USE】With LCD color screen display, the backlight can be switched for easy use in the dark. It will automatically shut down without any operation within 5 minutes. Features a hold function that saves measurements for convenient reading and recording. 

5、【WIDE APPLICATION】The salinity meter is applicable to water source monitoring, aquaculture, environmental protection, laboratories, food processing, printing and dyeing, electroplating, beverage industry and scientific research units to determine water salinity.