Premium Apera Instruments AI311 Series Waterproof pH Pocket Tester Kit - Model PH60

Amazon Customer: After one week usage, it's pretty good

Sometimes the reading is way off between 2 readings...low and high pH value, but after calibration, it's ok.

I wish they provide a bit more storage solution.

Canada on Dec 12, 2023

david garcia: MUY PRACTICO

Mexico on Nov 15, 2023

B. Lierath: Diese Rezension hat etwas länger gedauert, weil das pH Meter in einem Labor zu einem
Vergleich war. Hier wurde festgestellt, das die Genauigkeit in der Praxis sehr gut ist.
Auch die Eichung lässt keine Wünsche offen!
Wie alle pH Meter braucht sie nach einiger Zeit eine neue Elektrode.
Die erscheint mir aber überteuert.
Nach einem Jahr wird diese Rezension ggfls. neu bewertet.

Germany on Oct 27, 2023

Cliente Amazon: Es perfecto fácil de usar

Spain on Nov 14, 2022

ninkasi: I wanted to check the accuracy of the pH sensor our pool had. I also hate using those tester strips which require identifying if the colour is light yellow or pale amber... I mean, really? Plus those strips are calibrated for a specific temperature, so any result you get with them will likely be wrong if your water temp is outside the norm. Anyhow, I hunted around and this seemed to be the one a lot of people recommended. It came in a neat little kit that included everything you needed in a hard shell case - although I'd recommend also buying some extra storage solution as the included amount will not last long.

Use is super easy, and it automatically adjusts for temperature. You can also modify the settings so the backlight changes colour if the reading is outside the ideal numbers. I wondered why the case had an empty spot, then I realised that was so you could stand the tester up with the cap filled with storage solution. A really nice touch. If you want to keep it in the case with the lid closed, you just need to remember to store it on the side so there is less chance of leakage from the cap. Keep in mind that if you store it in tap, pool, or distilled water that could...

United States on Sep 01, 2021

Giovanni CiriglianoGiovanni Cirigliano: L'AI311 è il fratello maggiore dell'AI209, di cui eredita il corpo e le funzionalità di base. A differenza del modello precedente, l'AI311 ha una maggiore precisione e affidabilità nel lungo periodo.

Sensore pH:
L'elettrodo del pH è in vetro, con una gabbia in plastica che lo protegge contro gli urti involontari. Grazie alla qualità del sensore, lo strumento restituisce una precisione elevata con una accuratezza dello +-0,01 pH, questo permette di utilizzarlo nella maggior parte degli ambienti industriali/professionali come l'idroponica, acquacoltura e analisi pozzi. La calibrazione può essere fatta a 1/2 o 3 punti, utilizzando le piccole soluzioni test in dotazione. Il dispositivo rileva automaticamente con quale soluzione stiamo confrontando il sensore, ed oltre alle soluzioni standard incluse (4,00 pH - 7,00 pH - 10,01 pH ) è possibile calibrare l'elettrodo anche con soluzione ad 1.68 pH e 12.46 pH. Questo dispositivo è compatibile anche con altri sensori della linea apera instrument, come il PH60S-E (progettato per misurare il pH del terreno, 130 euro circa) e il PH60F-E (progettato per misurare il pH della pelle, 60 euro circa). Infine l'elettrodo ha una...

Italy on Feb 06, 2021

Shawn B.: I recently purchased this Apera PH60 pH Tester for General Purpose in order to test a variety of home foods, drinks, toothpastes, mouthwashs, etc. The intent is to better manage dental health (tooth enamel erosion) by avoiding acidic items as much as possible. As a retired chemist, I understand pH principles and how to properly treat meters, measuring probes, and aqueous test samples.

I've used this PH60 tester across most of the pH spectrum (0-14) in aqueous liquids, pastes, and gels over the last few weeks now, and have been pleased with the overall performance. The 3-point auto buffer calibration is quick and easy, and sample readings usually stabilize within seconds. The backlit screen makes it easy to read pH value (with smiley face confirmation of stability), sample temperature, and which buffers were used during last calibration. It's nice knowing this device has the automatic temperature compensation (ATC), since pH is temperature dependent.

Immediate and thorough cleaning of critical measuring structures at probe tip (glass sensing bulb and porous reference junction) is, of course, essential, and this has been easily accomplished using distilled water in a...

United States on Sep 15, 2020

Psylin: Summary
I was debating between this brand and one of the more popular brands but ultimately went with this due to the "replaceable" tip. I'm glad I did!

Pros
- Storage case is substantial - made me feel like I bought a true 'scientific instrument'
- Came with all the accessories I need! I guess I didn't read the description carefully, but came with calibration fluid as well as storage fluid. There was also a lanyard.
- Easy to use! Right off the bat, the device was already calibrated at the factory using all 3 PH values for reference. There is even a certificate certifying the same. I did my own calibration, though, and it was easy to do! (The drawback to doing your own calibration is you'll need the PH 10 reference fluid to complete the trio of calibration. Out of the factory all 3 were done and you'll see an icon L, M, H indicating this. If you do the PH 4 and PH 7 calibrations, you'll get L & M but no H. I'm OK with this but if you need super precision, something to keep in mind.)
- Seems accurate based on my drop tester readings (which aren't as accurate because I have to compare color codings). I don't have another reference point so this is my...

United States on May 05, 2020