Salt Gauge Salty Brine Meter Seawater Salinity Refractometer Food Salinity Tester Meter with 0.00ppt-9.99ppt 10.0ppt-50ppt Measuring Range for Salt Water Pool Food Salt Aquarium Tester This industrial grade salinometer can be used for measuring the salt value and temperature of solvent, which measuring rang is 0.00ppt-9.99ppt 10.0ppt-50ppt. Widely applied in industrial use，agriculture, medicine, food industry, scientific research and environmental protection, etc.   Features: Handheld design and non-slip pen type handle for easy operation.  Built-in automatic temperature compensation(ATC) to get precise results.  Measuring Rang: 0.00ppt-9.99ppt 10.0ppt-50ppt, very easy to test.  With temperature units in ℃ / ℉(switchable) and switchable backlight for convenient use in dark.  With replaceable sensor probe - The electrode probe can be replaced with insert type design for convenient and fast replacement.  Suitable for water source monitoring, aquaculture, environmental protection, printing and dyeing, electroplating, beverage industry and scientific research unit to determine the water quality salinity.   Specifications: Material: ABS;  Item Name: Pen Type Salinity Meter;  Display: Large LCD Display with Switchable Backlight;  Measuring Range: 0.00ppt-9.99ppt, 10.0ppt-50ppt;  Resolution: 0.01ppt, 0.1ppt;  Accuracy: ±3%F.S ±1digit;  Repeatability: ±0.01ppt/0.1ppt;  Solvent Temperature Range: 0 ～ 60℃;  Temperature Accuracy: ±1℃;  Working Temperature: 0℃ ～ 50℃ (32℉ ～ 122℉);  Working Humidity: 0%RH ～ 80%RH(Non-condensing);  Auto Power off: 5 Minutes without any operation;  Power Supply: 4 * 1.5V LR44 Button Cell Battery (NOT Included);  Item Size: Approx. 177 * 43 * 43mm / 7.0 * 1.7 * 1.7in;  Item Weight: Approx. 80g / 2.8oz;  Package Size: Approx. 20.5 * 7.5 * 5.3cm / 8.1 * 3.0 * 2.1in;  Package Weight: Approx. 140g / 5.0oz;   Package List: 1 * Salinity Meter;  1 * User ManualManual