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Hello, growers! My name is Charles Lee from HMDigital. We are a manufacturer of water quality measuring instruments. Today, I want to talk to you about the PH-200, which is our waterproof pH meter.
It has a digital meter that can be digitally calibrated and it is completely waterproof with a replaceable sensor.
You’ll notice here that the cap is translucent, so you’ll notice there’s some moisture in there because as you know a pH sensor needs to always be kept moist; therefore you have a little sponge in here that you can store the solution in, which is an electrode storage solution.
You’ll notice that the glass sensor has a float in there, which is actually a potassium chloride gel. The glass is semi-permeable so that in order for the pH sensor to be working properly, a little bit of a few molecules of the gel will seep out, communicate with the reference electrode, as you see the pink sensor, and therefore, it needs to have a constant flow of this gel. You need to keep this in an equilibrium by keeping the sensor moist in this sponge-felt cap.
You’ll notice here that the reference electrode is encased in glass that will keep it moist for much longer, and if ever that does happen to dry out, you can actually re-saturate it in one of these pH electrode storage solutions. But we highly recommend that you keep this sensor clean by rinsing it in RO solution or RO water, purified water, then keeping the sensor always moist by pouring a little bit of storage solution, which I will show you here, electrode storage solution. Pour a couple of drops into the cap just enough for the sponge to moisten up and keep the sensor well protected.
Working in the garden creating a healthy harvest provides you with a sense of achievement and feelings of success. When working with plants and hydroponic systems there is wide variety of products each designed with a specific purpose.
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