How To Calibrate the Portable pH, EC/TDS Meter HI9813-6

[@moisesrobles2778]

How many times can I use the pH buffer solution bag and how often should I do the calibration?

[@alarapeselim4783]

What is the solution to use for the calibration of TDS?

[@SegahGoldfisH]

calibrate pH only buffer 7.0?

[@alarapeselim4783]

My TDS Meter HI 9813-5 always display error when measuring temperature, How can this be rectified?

[@easybreezy6883]

The problems is if calibrate ph down then my ph up is off, and the other way around if my ph up is calibrated then my ph down is off. What to do ????

[@HannaInc]

Hi there! It would be great to get you in contact with our tech team as they are an amazing resource and can help you with this question! Please email [e-mail] if you are within the United States and [e-mail] if you are international!

[@mrpet7085]

How do I get the 1.4. When using 1413?

[@HannaInc]

Hi! To calibrate for 1413, Press the mS/cm button and place your probe in your standard. Once it's stable, adjust accordingly. Hope this helps!

[@michael_notMike_stillman]

Pretty sure he was asking about the additional two decimal places

[@aquasea5450]

Nice