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4 In 1 PH/EC/TDS&Temperature Meter Waterproof PH Meter LED Water Quality Monitor Tester PH Tester For Pools Drinking Water

<ul><li>1.PH For a single-point calibration Pour a small quantity of pH6.86,pH4.01 and pH9.18 solution into clean beakers</li><li>2.For a particularly accurate calibration,it is advised to use wo beakers</li><li>for each buffer soluion, one for rinsing the eledrode.ong for the</li><li>Calibration In this way.the risks of contaminatng the butler solution are reduced to a minimum.</li><li>3.Turn on the meter.Press the "MODE"button,choice the PH for</li><li>measuring.</li><li>4.lmmerse the electrode in a pH 6.86 buffer solution,and gently shake it until the reading to stabilize.</li><li>5.Press and hold the 'TEMP/CAL'button about 5 seconds until 686 appears on the display.Release the button.The LCD will display "6.86".Rinse the electrode with distilled water.</li></ul>

Brand

New 4 in 1 PH/EC/TDS&Temperature Meter Waterproof PH Meter LED Water Quality Monitor Tester PH tester for Pools Drinking Water 40offSpecificationsRangepH00014.00pHEC:0-19990us/cm0-19.9ms/cmTDS:0-19990ppm0-19.9pptTemp:0-50 (32°F-122°F)Resolution:pH:0.01PH<1999us/cm)10us/cm(>1999us/cm)0.1ms/cm<1999ppm)10ppm(>1999ppm)0.1pptTemp:0.1°C (0.2°F)Accuracy:pH:±0.03pHEC:TDS ±2%F.STemp:±1.0°CBattery: 3×1.5V (AG-13) (NOT INCLUDE)Temperature Compensation: 0°C~50°COperating Temperature: 0°C~50°CDimensions: 188mm×35mm×35mmWeight: 80gOperation:1.Remove the protective cap.Turn on the meter.2.First rinse the electrode with distiled water,and suck it with fiter-paper3.immerse the electrode in the solution to be tested.4.Sr gently and wait for the reading to stabilize.Do not tap it against the glass.5.Short press the"MODE"burton,choice the PH or EC(TDS)for measuring.6.in the EC(TDS)MODE,Long press the "MODE"button(about 5 seconds)tosmach the display of EC value and TDS value on the screen successively(ms',',"ppt and"ppm"),7.After use,turn off the meter.Rinse the electrode with distiled water tomninze contamination.8.Always replace the protective cap after use.6.lmmerse the electrode in a pH 4.01 bufer solution,and gently shake it until the reading to stabilize.7.Press and hold the"TEMP/CAL'button about 5 seconds until 400 appears on the display.Release the button.The LCD will display"4.01".Rinse the electrode with distilled water.8.Immerse the electrode in a PH9.18 buffer solution,gently shake theelectrode and waiting for the reading to stabilize.The showing value and buffer solution's ph value is within eror range.The calibration of the instrument's pH range is now complete.Note: It is always recommended to carry out a two point calibration for better accuracy.

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