<p><span style="font-size:20px;font-family:arial, helvetica, sans-serif"><strong>Online Water Quality Tester Digital EC Meter Electrical Conductivity Detector Inlet Outlet EC Test for Pool Filtration System</strong></span></p><p><span style="font-size:16px;font-family:arial, helvetica, sans-serif">The SM-1EC is an ideal monitor to know if a filter cartridge or membrane is functioning effectively. install the SM-1EC so you&#x27;ll always know how a water filtration or purification system is performing.</span></p><p><br/></p><p><strong><span style="font-size:20px;font-family:arial, helvetica, sans-serif">Specifications</span></strong></p><p><span style="font-size:16px;font-family:arial, helvetica, sans-serif">Resolution: 1 μS (0-999);</span></p><p><span style="font-size:16px;font-family:arial, helvetica, sans-serif">                   10 μS (1000-9990, indicated by a blinking &#x27;x10&#x27; image)</span></p><p><span style="font-size:16px;font-family:arial, helvetica, sans-serif">Accuracy: +/-2%</span></p><p><span style="font-size:16px;font-family:arial, helvetica, sans-serif">Cable Length: 24.5&quot;(including sensor)</span></p><p><span style="font-size:16px;font-family:arial, helvetica, sans-serif">Power Source:2x1.5V button cell batteries (size:357-A)</span></p><p><span style="font-size:16px;font-family:arial, helvetica, sans-serif">Dimensions: 7.6 x2 x 4.7 cm (3 x 0.8 x 1.9 in)</span></p><p><span style="font-size:16px;font-family:arial, helvetica, sans-serif">Weight: 79.5 g (2.8 oz)</span></p><p><br/></p><p></p>