Digital ORP ORP ORP-169 ORP Digital ORP Digital ORP <div data-slate-n0de="element"> <ul class="a-un0rdered-list a-vertical a-spacing-mini"> <li class="a-spacing-mini"><span class="a-list-item">【Clear and Easy to Use】 - Compact and portable pen-style design, easy to use and store. Large and clear LCD display, easy to read, and precise measurement function. </span></li> <li class="a-spacing-mini"><span class="a-list-item">【High Quality】 - This tester is made of high-quality electronic components to ensure high accuracy. Product dimensions are 188 * 35 * 35mm / 7.4 * 1.4 * 1.4in. </span></li> <li class="a-spacing-mini"><span class="a-list-item">【Application】 - Suitable for water sources, aquariums, hydroponics, swimming pools and other water systems. </span></li> <li class="a-spacing-mini"><span class="a-list-item">[High Precision] - The 0RP tester has a resolution of 1mV and an accuracy of ±5mV, making it very sensitive. Measuring range: 0 - ±5mV. 1999 mg/LmV.</span></li> <li class="a-spacing-mini"><span class="a-list-item">[Waterproof] - Featuring a waterproof design, the meter complies with the LP55 standard. It comes with replaceable electrodes. It has a 1-point calibration. Operating temperature: 0°C-50°C.</span></li> </ul> </div>