<div><span style="font-size:16px"><strong>5 In 1 Water Quality Tester Digital PH Meter TDS EC Meter Salinity Temperature Tester Water Filter Purity Pen with Backlight</strong></span></div><p><br/></p><div class="detailmodule_html"><div class="detail-desc-decorate-richtext"><div class="detailmodule_html"><div class="detail-desc-decorate-richtext"><div class="detailmodule_dynamic">Blackligt Model</div><div class="detailmodule_html"><div class="detail-desc-decorate-richtext"><div class="detailmodule_dynamic"></div><div class="detailmodule_html"><div class="detail-desc-decorate-richtext"><p><strong><span style="font-size:24px">No </span></strong><span style="font-size:20px">Blackligt Model </span></p><p></p><div><br/></div><div></div><div><span style="font-size:16px"><span style="background-color:rgb(255, 255, 0)">EC</span></span><span style="font-size:16px">Measuring range: 0 to10000uS/cm 10.01-19.99ms 20.1-400mS/CM</span></div><div><span style="font-size:16px">Resolution: 1 uS/cm; 0.1 mS/CM;</span></div><div><span style="font-size:16px">Accuracy: ±2% of reading</span></div><div><span style="font-size:16px"><span style="background-color:rgb(255, 255, 0)">TDS</span></span><span style="font-size:16px">Measuring range: 0 to 1000ppm 1000ppm to 10000ppm 10.1 to 200.0ppt</span></div><div><span style="font-size:16px">Resolution: 1ppm;; 0.1ppt</span></div><div><span style="font-size:16px">Accuracy: ±2% of reading</span></div><div><span style="font-size:16px"><span style="background-color:rgb(255, 255, 0)">Salinity</span></span><span style="font-size:16px">Measuring range: 0.00 to 25.00%</span></div><div><span style="font-size:16px">Resolution: 0.01%</span></div><div><span style="font-size:16px">Accuracy: 0.01-5.00% (±0.1%) 5.10-25.00% (±1%)</span></div><div><span style="font-size:16px"><span style="background-color:rgb(255, 255, 0)">PH</span></span><span style="font-size:16px">Measuring range: 0.01-14.00pH</span></div><div><span style="font-size:16px">Resolution: 0.01pH</span></div><div><span style="font-size:16px">Accuracy: ±0.05pH</span></div><div><span style="font-size:16px"><span style="background-color:rgb(255, 255, 0)">temperature</span></span><span style="font-size:16px">range: 0.1-60.0℃   32.0-140℉</span></div><div><span style="font-size:22px"><strong><span style="color:rgb(75, 172, 198)">Calibration</span></strong></span>:<span style="font-size:16px">Conductivity EC: Supports 3-point calibration automatic identification (1413us 12.88ms and 111.8ms) with 3 calibration points (1413uS/cm 12.88mS/CM 111.8mS/CM) pH: 1 point (6.86) or 2 points (6.86 4.00) (6.86 9.18) or 3 points (6.86 4.00 9.18) can automatically identify the calibration solution</span></div><div><span style="font-size:16px">Size and weight:183*37*37mm(7.2*1.5*1.5in)/90g(3.2oz)</span></div><div></div><div><span style="font-size:16px">1. Every time you run out, be sure to clean the electrode</span></div><div><span style="font-size:16px">2. pH calibration If the solution is not recognized, the electrode is broken.</span></div><div><span style="font-size:16px"><span style="background-color:rgb(255, 255, 0)">3. batteries are not included!!! (</span></span><span style="font-size:16px"><span style="color:rgb(0, 0, 0);font-family:&quot;Open Sans&quot;, Arial, Helvetica, sans-serif, SimSun, 宋体">Power source: 3x1.5LR44</span></span><span style="font-size:16px"><span style="color:rgb(255, 0, 0);font-family:&quot;Open Sans&quot;, Arial, Helvetica, sans-serif, SimSun, 宋体">( not included )</span></span></div></div></div></div></div><p></p></div></div><div><br/></div></div></div><p><br/></p>