<p>&nbsp;</p> <p>Salinity Refractometer - Handheld (0-100% - 1.000-1.070 SG Salinity)</p> <p>Salinometer for aquarium, cooking &amp; more.</p> <p>Determines the amount of dissolved salt &amp; dissolved solids</p> <p>Soft rubber eye piece for comfortable viewing.&nbsp;<br><br>Equipped with scale measurement which provides direct reading.<br><br>Accurate testing results.</p> <p>Extremely easy-to-use &amp; calibrate</p> <p>Comes in hard plastic case.</p> <p>Specifications:</p> Measuring Ranges: 0-100 ppt of NaCl and 1.000 to 1.070 Specific Gravity (0-10%) Divisions: 1 ppt / 0.001 Specific Gravity Accuracy: ±1 ppt / 0.001 Specific Gravity (±0.10%) Length : 170mm Weight: 240g Measurement Range: 0~100%&nbsp; Min. Div.: 0.1% Measurement Accuracy: +- 0.1% Weight: 230gSize: 160*59*49mm Model Number: THE01502 Usage: Salinity <p>Operation:</p> <p>1. Place a few drops of the liquid on the main prism.<br>2. Cover the prism, look through the eyepiece facing strong light (like in a sunny room)<br>3. Adjust the eyepiece to focus, if necessary.<br>4. Read the result value on the scale.</p>