<p>Features: A pH and TDS (Total Dissolved Solids) Meter Combo is a practical device applied to measure and monitor water quality in various applications.</p> <p>With typically handheld and come with auto calibration, a digital display, and the ability to switch between pH and TDS measurement modes.</p> <p>Calibration with standard buffer solutions to accurate and reliable measurements. All round measurement of water quality to healthy water quality.</p> <p>Specifications:</p> <p>Product Name: pH and TDS meter combo</p> <p>Measurement Style: pH\/TDS\/EC\/temperature Meter</p> <p>PH Meter Specifications:</p> <p>Measuring range: 0.00-14.00pH</p> <p>Accuracy: \u00B10.1 pH</p> <p>Resolution: 0.01pH</p> <p>Operating Temperature: 0-60\u00B0C(32\u00B0F-140\u00B0F)</p> <p>Power Supply: 2x1.5V (LR44 Button cell)</p> <p>Size: 155mm x 31mm x 18mm</p> <p>TDS Meter Specifications:</p> <p>TDS Measuring Range: 0 to 9999 ppm</p> <p>EC Measuring Range: 0 to 9999 \u00B5s\/cm</p> <p>Temperature: 0.1\u2103-80.0\u2103, 32.0\u00B0F-176.0\u00B0F</p> <p>Accuracy: \u00B12%</p> <p>Size: 154mm x 30mm x 14mm</p> <p>Power Supply: 1 x 3.0V CR2032 Button cell</p> <p>Notes:</p> <p>The meter can't test sea water.</p> <p>Material: Metal</p> <p>colour: As shown</p> <p>Package Contents:</p> <p>1 x pH meter</p> <p>1 x TDS\/EC\/TEMP tester</p> <p>12 x calibration solution powder</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.</p>