Electronic pH reader

[pinguy]

I just saw this on TF-Test kits (I think it's a fairly new offering?)

http://tftestkits.net/pH-Meter-p95.html

Are we recommending this now? Anyone do tests to compare to the Taylor drops & comparator?

How do you calibrate?

 

[OTPirate]

Hey ping! It's fine for a non-expensive pH meter. You can spend $1000 on a really good pH meter, but for many that is not feasible. It comes with a couple buffer solutions to calibrate it. I use mine in conjunction with the drop test, not as a substitution. It helps me as I have a hard time differentiating between colors. I'll guarantee it for a year. Take care!

 

[wbdahenry]

I bought one from them this week to verify my estimates from the drop test.

The calibration instructions are typical Chinese translation, so if anyone has any tips on calibrating feel free to follow up.

 

[AUSpool]

I bought one from them this week to verify my estimates from the drop test.

I would be doing it the other way around, using the comparator block to verify the electronic tester. Read it to the nearest single decimal point, ie. 7.6, 7.7, 7.8 etc. Follow the rinsing and storing instructions carefully, I prematurely destroyed a half decent one by storing it incorrectly.