Apera Instruments Bluetooth Smart Tester AI3711 1

ｐH測定の校正をどうすべきか知らなかったが、APERA社が丁寧に教えてくれた。また、使用するｐH校正液の選定に対するアドバイスを受ける事も出来た。

Actually gives a stable and consistent reading.

Calibration and measurement are straightforward. Once calibrated in the morning, I took several readings of aqueous solutions during the day, and the readings seemed to be OK. I knocked one star off the rating for the fact, that there was black mold in the storage cap for the tip upon arrival. I am aware that the tip needs to be kept moist, but mold can and must be avoided on a precision instrument like this. Now I am worrying about storing the device for longer time during the warmer summer season.

without writing it all down, Iphone app seems to be a little easier to use than android but overall I love it bc i do hydo and i like to keep logs of every reading I take and this just keeps me from writing it all down on paper. Can even go from android to iphone or vice versa just gotta make sure app syncs up before you close out and you can switch over to other device. Very accurate and gives you something to measure your solution and also calibration solutions which is a plus bc would have to buy regardless and has enough to last a while too. Never heard of brand before so was little worried but after reading reviews and actually using this device i dont really wanna go back to anything else to be honest. Love everything about backlight is nice old meter didnt have so always had to shine light on it in the dark to see if i was in low light situations. Almost wanna get the all in one meter with tds just so i got data on everything. But atm this will do as i just write PPM in notes section on logging so no bg deal but just one more extra step i wouldnt have to do if I get the combo meter. Anyways great product you wont be disappointed just dont forget distilled water as you need to dip probe in it to use/calibrate so will need that other than that it has everything to get you going.

Super coole sacher Sehr zufrieden!