I test it once a week. Before the test, soak the sensor in RO water for about 40 minutes, and then test it. However, this method lasted for 1 month. Now this method is not acceptable. Prompt for...
Type: Posts; User: bin6006
I test it once a week. Before the test, soak the sensor in RO water for about 40 minutes, and then test it. However, this method lasted for 1 month. Now this method is not acceptable. Prompt for...
Hello, is it possible to determine the maximum interval between two measurements
I found the solution to the problem, and it will be normal after updating the version number. Thank you.
Why is the last valid measurement of my Iond always in the original state and does not update the date13196
thankyou verymuch
Hello everyone, I'm from China and want to buy KHD (active version). There is no Chinese mailing address in the store