<p><span style="font-size:22px"><strong>TDS Meter Digital Water Quality Tester Digital 0-14 PH Meter Tester 0-9990ppm TDS&amp;EC LCD Water Purity PPM Aquarium Filter</strong></span><br/><br/></p><p><span style="font-size:18px"><span style="color:rgb(0, 0, 0)"><span style="background-color:rgb(255, 192, 0)"><span style="background-color:rgb(219, 229, 241)">The Features for EC meter</span></span></span></span></p><p><span style="color:rgb(54, 96, 146)"><span style="font-family:verdana, geneva, sans-serif"><u><span style="font-size:16px"><span style="background-color:rgb(216, 216, 216)">Provides accurate and reliable test readings</span></span></u></span></span><br/><br/>3-In-1 Digital TDS meter provides accurate readings for TDS (Total Dissolved Solids) EC (Electrical Conductivity) and temperature. Professional, Accurate, and Precise 3-in-1 TDS, EC, and Water Temperature Meter. The TDS meter has automatic temperature compensation in measurement mode. 9 minutes no operation, the meter will automatically shut down. Save power, extend battery life<br/><br/>1. Multi-mode conversion: TDS EC meter instrument a total of 4 different modes, press the SHIFT key can be converted between different modes. Mode memory function, each boot mode is the default mode used before the shutdown<br/><br/>2. Locks your reading making it easy to record: Large, easy to read LCD screen and data-hold function makes reading and recording a snap. “HOLD” automatic locking, “SHIFT” automatic conversion, 5 minutes Automatic locks.Press the SHIFT key while the value is locked to view the measurement results for the different modes. The measurement time is rapid, due to the exquisite naked type sensors, 5 seconds complete<br/><br/>3.Pocket Size: TDS meter is a professional water level test instrument, the operation is simple, the appearance of fashion, small size and easy to put in your pocket! For today&#x27;s market volume is the smallest, lightest portable. Reasonable design, pen electrode can be directly inserted into the water solution, measured it.Compact size that enable you to take anywhere<br/><br/>4.Widely Use: Ideal for all water quality testing, water purification applications, waste water regulation, aqua culture,hydroponics, laboratory and scientific testing, pools, ecology testing, colloidal silver, water treatment and more<br/></p><p><span style="color:rgb(54, 96, 146)"><span style="font-size:16px"><span style="font-family:verdana, geneva, sans-serif"><u><span style="background-color:rgb(216, 216, 216)">Product description</span></u></span></span></span><br/><br/>Color: White<br/><br/>1. A professional level water test meter combinates with TDS Meter, TDS EC Meter and Temperature Meter. For accuracy and reliability choose the DOY 3-in-1 TDS Meter.<br/><br/>2. The water that flows from our taps is full of chemicals, pollutants and metals. Well, the only way to make sure your water is clean and healthy is to test it regularly. With this TDS tester you can check any time on your water filtration, ensuring that you and your family won&#x27;t be exposed to unhygienic drinking water.<br/><br/>3.A versatile tool that saves you money while providing the best for your health!</p><p><br/></p><p><span style="color:rgb(54, 96, 146)"><span style="font-size:16px"><span style="font-family:verdana, geneva, sans-serif"><u><span style="background-color:rgb(216, 216, 216)">Features</span></u></span></span></span><br/><br/>1. Lock function: makes it easy to read and record, press HOLD button then remove from test solution.<br/><br/>2. 4 Display modes: press SHIFT button: TDS - ppm &amp; °C, EC - μs/cm &amp; °C, TDS - ppm &amp; °F, EC - μs/cm &amp; °F.<br/><br/>3. 5 minute Auto Shut Off feature, so battery won&#x27;t run down.<br/><br/>4. Measurement Range:  Conductivity: 0 - 9999 μs/cm<br/>TDS: 0 - 9999 ppm (parts per million)<br/>Degrees Celsius: 0.1 - 80.0°C<br/>Fahrenheit: 32.0 - 176.0°F<br/><br/>5. Accuracy: ± 2%<br/><br/>6. Net weight: 55g</p><p>7.<span style="font-size:13.3333px">Battery: CR2032 ( not included)</span><br/><br/><br/><span style="color:rgb(54, 96, 146)"><u><span style="font-size:16px"><span style="font-family:verdana, geneva, sans-serif"><span style="background-color:rgb(191, 191, 191)">How to use</span></span></span></u></span><br/><br/>▼ STEP 1: Remove the electrode protective cap before use<br/><br/>▼ STEP 2:Press the ON/OFF button, and immerse the meter into the solution. (The solution should not over the immersion line)<br/><br/>▼ STEP 3: After the numerical display is steady, press the HOLD button and take it out of the solution for checking the result<br/><br/>▼ STEP 4: Wipe clean the electrode after using, turn off the meter and replace the protective cap<br/></p><p><span style="color:rgb(54, 96, 146)"><span style="font-size:16px"><u><span style="background-color:rgb(216, 216, 216)">Package Includes</span></u></span></span></p><p><br/></p><p>1. 1 x TDS Meter</p><p><br/><br/></p><p>2. 1 x Carrying case</p><p><br/></p><p>3. 1 x User&#x27;s manual</p><p>Note: this item come without retail box.</p><p><br/></p><p><span style="font-size:18px"><span style="color:rgb(54, 96, 146)"><u><span style="background-color:rgb(216, 216, 216)">NOTE</span></u></span></span></p><p><br/></p><p>Please read the manual carefully before using the TDS meter!!!</p><p>Keep the electrode clean.Always close the electrode protective cap.</p><p>Please take out the batteries for long periods unused</p><p><br/><br/><br/><br/></p><p><span style="font-size:20px"><span style="background-color:rgb(219, 229, 241)">The Product Features for PH meter</span></span></p><p><br/></p><p>Easy to Use: Simply immerse the pH meter electrode in the solution to be tested, readings are quickly display on a large lcd display</p><p>Wide Application: Ideal instrument for any aquarium, the fishing industry, swimming pools, spa, school laboratories, food &amp; beverage, drinking water etc.</p><p>Auto Calibrated: Features in-built calibration with 2 buffer powders(included).Just press a button to finish the calibration. This pH meter is factory calibrated. Users can use it directly.</p><p>Fast and Accurate Results: No need to work with those annoying color charts and test strips. Resolution: 0.01 pH, Accuracy: ±0.01 pH</p><p>Compact Portable Design: Pocket fitting pH meter that&#x27;s also lightweight and compact. Total concealed fit in your bag or pocket for easy, casual carrying.</p><p><br/></p><p><span style="color:rgb(54, 96, 146)"><span style="font-size:18px"><u><span style="background-color:rgb(216, 216, 216)">Product Descriptions</span></u></span></span></p><p><br/></p><p>Display: LCD Digital</p><p>Accuracy: 0.01</p><p>Resolution: 0.01</p><p>Operating Temperature: 0~60°C</p><p>Measuring Range: 0.00~14.00</p><p>Probe Type: Precision glass bulb electrode</p><p>Power Supply:2*1.5V  LR44 Batteries<strong>(Not included!!!)</strong></p><p><br/></p><p><span style="color:rgb(54, 96, 146)"><span style="font-size:16px"><u><span style="background-color:rgb(216, 216, 216)">Operation</span></u></span></span></p><p><br/></p><p>1.Remove protective cap.</p><p>2.First rinse the electrode with distilled water and suck it with filter paper.</p><p>3.Turn the meter on by pressing “ON/OFF” key.</p><p>4.Immerse the pH meter electrode in the solution to be tested (should not be over the immersion line).</p><p>5.Stir gently and wait around 30 seconds till the reading stabilizes.</p><p>6.After finishing, clear the electrode with pure water, turn the meter off by pressing “ON/OFF” key.</p><p>7.Always replace the protective cap after use.</p><p><br/></p><p><span style="font-size:16px"><u><span style="color:rgb(54, 96, 146)"><span style="background-color:rgb(216, 216, 216)">Calibration</span></span></u></span></p><p><br/></p><p>1.Turn on PH meter</p><p>2.Disolve each buffer solution in 250ML of distilled water</p><p>3.Immerse the electrode into the PH 6.86 solution,(under the temperature of 25)</p><p>4.Press the “CAL”(calibration)button for 5 seconds and release</p><p>-Display will start flashing 6.86</p><p>-Wait until the display stops flashing.</p><p>Rinse the electrode with distilled water and dry it with filter paper.</p><p>1. Immerse the electrode in PH 4.00 solution,</p><p>-Press“CAL”button for 5 seconds, then press and release immediately second time</p><p>-Reading will start flashing 4.00</p><p>-Wait until display stops flashing</p><p>Rinse and dry the electrode with distilled water as before.</p><p>6.Place the meter back to the buffer solution to test calibration. If incorrect, please repeat the calibration</p><p>7.If approximate PH of your test solution is known to be above 7.0,calibrate the meter using 6.86 and 9.18 solution. To do this, please follow the calibration chart, The third step is the calibration method for 9.18 point.</p><p><br/></p><p><span style="color:rgb(54, 96, 146)"><u><span style="font-family:verdana, geneva, sans-serif"><span style="font-size:18px"><span style="background-color:rgb(216, 216, 216)">Package Inclusions</span></span></span></u></span></p><p><br/></p><p>1)One pH Meter</p><p>2)2 Bags Buffer Powder</p><p>3)Instruction Manual</p><p>Note: this item come without retail box.</p><p><br/></p><p><span style="color:rgb(54, 96, 146)"><span style="font-size:18px"><span style="font-family:verdana, geneva, sans-serif"><u><span style="background-color:rgb(216, 216, 216)">Kindly Reminder</span></u></span></span></span></p><p><br/></p><p>If the tester was used or lay aside long time: recalibrate it.</p><p>If you open battery case or replace battery: recalibrate it.</p><p>The glass bulb of the electrode is fragile. Don&#x27;t touch it by hard tools and fingers, suck the water on it gently when cleaning.</p><p></p><p></p><p><br/></p>