All probes are standard for both meters and we do carry spares. Basically because of the small price difference we are dropping the AZ86505 from our range and only stocking the one model.
AZ86P3 spare pH electrode ………………… R 625.00 excl VAT – in stock
AZ86P5 optional ORP electrode …………… R 1,261.00 excl VAT – in stock
AZ8306P spare EC/TDS/Salt probe ………… R 636.00 excl VAT – in stock
AZ1051TA optional AC adapter for 86555 … R 195.00 excl VAT – in stock
If the probes are looked after, rinsed after use and stored correctly they could last years. Also depends on what you are measuring, harsh acid or alkaline solution could reduce the probe life while ordinary tap or sea water will have a much longer life span. The pH glass bulb must never get dry, always store it in a pH storage solution or even ordinary tap water will do.
Yes you can leave them in tank 24/7 but be aware that these probes are not submersible, only the sensing part can be immersed, the back part where cable comes out must be above water and kept dry.
If the probe is not sealed water tight, then I would not recommend that you use it permanently mounted in the tank/sump, as salt creep WIL find it's way into the electrical connection and ruin the probe.Yes you can leave them in tank 24/7 but be aware that these probes are not submersible, only the sensing part can be immersed, the back part where cable comes out must be above water and kept dry.
If you do, a pH CONTROLLER will be a much more useful instrument than a mere meter.Wait till you start running a calcium reactor, then you want something that you can check the pH really easy and as often as you want.
Hennie, I'm busy building a pH controller to run my CaRX, The probes that you get from the LPS, are the worth buying?One thing that they are not truthful with, though, is the statement that the pH probe could last for years. these probes are filled with chemicals which react with the solution the probe is testing, and in so doing creates a small current flow, like a battery. Even if you do not do any testing, the chemical reactions in the probe still continues, and the chemicals are depleted. When used, this is made worse by the chemicals inside the probe actually leaching out into the solution being tested. To my knowledge, the best "gel" type industrial probes could last about 18 months to two years, but normal "lab-grade" probes rarely last for more than a year.
If you do, a pH CONTROLLER will be a much more useful instrument than a mere meter.
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