Auto Calibration Digital PH Tester Meter Thermometer Kit Waterproof Pocket Pen
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Entrega dentro do prazo. Produto como anunciado. Medição precisa. Recomendo.
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The box was a a bit crushed and soft, but the PH Tester was in perfect condition. It did not come with the 4 watch cells required for use. I'll give a review when I try it out.
It's a good pH meter with bad care instructions. If you don't store the electrode in GOOD pH 7 buffer fluid it'll run out of calibration range in a day and be ruined in three days. Don't store it in pH 4 don't store it in ro or tap water and change your ph7 storage fluid every few weeks with a rinse of the electrode and it should last at least six months. PH meters are fragile and finicky especially the cheapies. This one has gone more than the usual three months but I'm really babying it!
Excellent Service a Pleasure to do Business With Will Buy From Banggood Always With Confidence
To see
The device is not working, and it's missing a tool. I wrote more than once and the problem is not resolved.
Feliz ...llego todo bien ...espero para comprar pilas y encenderlo
Sehr einfache Handhabung, lässt sich leicht kalibrieren.
seems ok