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Digital pH Meter
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A digital pH meter is the ideal tool for measuring water pH levels. For all water applications such as water purification, scientific testing, pools and spa testing, hydroponics, and more, a digital pH meter can easily calibrated and used.
You will find pH meters with a wide range of prices. The most basic digital pH meters only give you the pH measurements while more higher end meters will provide extra measurements and with higher accuracy readings.
A low cost pH meter can be bought from anywhere from $20 to $30 that just gives the pH readings accurate to 0.1 pH.
Moving to more expensive digital pH meters, they will also give you temperature readings and digital calibration. The accuracy is also better with pH accurate to 0.01 pH. The meter itself is also constructed to be waterproof. If the device has an IP code of IP67, then it is rated to be waterproof to 1 meter. These mid-range digital pH meters run about $60 to $80.
At the high end of the digital pH meter market, the digital meter will normally also give EC and TDS measurements. If you need those extra measurements, it will save time since you don't need to switch meters. Higher end meters will also have larger temperature ranges and higher accuracy.
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