<p>Dual meter is designed to measure the salt content in liquid without the need for conversions. It measures both temperature <b>(ºC/°F)</b> and salinity (ppt) and display simultaneously on its clear LCD. It has an IP65 Rating, waterproof and dustproof housing and waterproof membrane keypad.</p> <p><b>Applications & Usage:</b></p> <p>It quickly and accurately measure salt concentration in koi ponds. . Ideal for checking salt in fish hospital tanks and tropical aquariums, water monitoring, seawater-prepared food solutions, breeding ponds, aquariums, holding tanks and more!</p> <p><b>Features: </b><br /> <b>Built-in NaCL</b> Temperature coefficient <br /> Conductivity to TDS conversion factor <br /> Multi point calibration guarantees full range accuracy <br /> Allow factory default resetting <br /> With over & below the limit value indicator <br /> Low battery indicator</p> <p><b>Specifications</b>: <br /> <b>Measuring Range: </b><br /> Salinity: 0.00~10.0 ppt (NaCL) and 10.1~70.0ppt (NaCL) <br /> Temperature Compensation: 0~50°C <br />Accuracy: <br />Salinity: 1% Full Scale ± 1 digit or 2% Full Scale ± 1 digit (10.1-70.0ppt) <br /> Temperature: ±0.5°C <br /> <b>Resolution: <br /> </b>Salinity: 0.01ppt or 0.1ppt <br /> Temperature: 0.1°C/°F <br /> TDS Factor: Built-in NaCL conductivity to TDS conversion factor <br /> Built-in NaCL Temperature coefficient <br /> Normalization Temperature: Fixed at 25°C <br /> Operating Temperature: 0~50°C <br /> Power Supply: 4 x 1.5V button batteries (last up to 80hrs continuous work) <br /> Auto power off if idle or no operation for 20 minutes <br /> Package Weight: 0.14kg<br />Package Size: 19cm x 8cm x 5cm</p> <p><b>Set Includes: </b><br /> 1 x Salinity and Temperature Meter <br /> 4 x 1.5V Button Batteries (FREE) <br /> English Quick Start Guide <br />Standard packaging box</p>