Portable Pocket Milk Cheese Soil Food Purity Monitor Electrode Tester Ph Meter

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Product   Description<br>Description:<br>Measuring range: 0.00~14.00pH<br>Accuracy: ±0.2PH ±0.1PH<br>Resolution: 0.01PH<br>Working temperature: 0ºC~50ºC<br>Automatic temperature compensation: 0ºC~50ºC<br>Automatic temperature compensation: 0ºC~50ºC<br>Electrode: for cheese and milk testing<br>Power supply: 3*1.5V (AG13) (not included)<br>Size: 175mm*51mm*25mm<br>step<br>1. Connect the electrodes and remove the protective cover.<br>2. Clean the electrode of the pH meter with distilled water first, and absorb the water attached to the electrode with filter paper.<br>3. Touch the "ON/OFF" button to turn on the power.<br>4. Insert the pH meter electrode into the liquid to be measured until the electrode is immersed in the liquid about 4cm deep, do not put the solution into the electrode connection.<br>5. Gently stir the solution until the value stabilizes, and then read the stable display number.<br>6. Touch the "HOLD" key to hold the current measurement value. If you need to re-measure, press the "HOLD" key once to release the hold state.<br>7. After use, press the "ON/OFF" button to turn off the power, clean the electrode with distilled water, and cover the protective cover.<br>PH calibration<br>1. Immerse the pH electrode in a mixed phosphate standard buffer solution with a pH of 6.86 (25°C) and shake it gently.<br>2. Use a small screwdriver to adjust the calibration potentiometer until the displayed value matches the pH value of the standard buffer solution at the solution temperature. Then wash the electrode of the pH meter with distilled water, and use filter paper to absorb the water attached to and around the electrode.<br>3. Insert the electrode into the pH 4.01 potassium hydrogen phosphate or pH 9.18 borax standard buffer solution.<br>4. When the displayed value is stable, the displayed value should be within the error tolerance range compared with the pH value of the buffer solution.<br>Package Included<br>1 x pH meter<br>Shipping<br>*Please make sure to leave eBay item number with payment. If you have any special requirement, please message us, we will reply you as soon as possible.<br>*Please finish the trade in 7 days after the winning auction is closed.<br>*Your Item(s) will be shipped within 5-15 business days once payment received.<br>notice: item shipping from China.You should receive item within 4 weeks<br>*if you want faster shipping (Express,DHL or EMS),Please contact us.<br>Refund&Return Policy<br>*30 days money back! Buy with confidence<br>*If you find the item has quality problem after receiving the item, please contact us .We will refund YOUR FULL WINNING BID AMOUNT or item exchange.it's up to you.<br>*If the item is lost in transit. Or damaged. Bear all the losses by the seller.We 100% guaranteed quality.<br>*If you have any questions, please feel free to contact us. We will do our best for you!<br>*Thank you for looking and enjoy your shopping!<br>About Us&Contact Us<br>*We value the service we provide and our loyal returning customers can always expect some appreciation from us, like a future service, discount or a gift.<br>*We aim to make our service as reasonably priced as possible.<br>*I<br>f you have placed an order and felt unsatisfied with that, it will be appreciated that you can turn to us for help before opening a case or return.<br>*Weclome to contact us if you have any questions.<br>*We are always here to help you.