Milwaukee MC122 PRO pH Controller
The MC122 controller automatically monitors and fine-tunes pH levels. Simply set pH parameters and the Milwaukee pH Controller will do the rest. It is preferred by people looking to dial in their testing program when they have an ongoing need to maintain levels. Common uses are nutrient tanks and aquariums.
The meter has a 2-point manual calibration and is accurate to ± 0.2 pH. The controller provides a control range of 5.5 to 9.5 pH with alarms that activate when readings are higher or lower than set point.
The pH Controller comes with a complete mounting kit including a probe holder.
CARE AND USE
pH meters usually start performing poorly because of problems with the probe, specifically the glass sensing bulb and the reference junction. The glass bulb loses sensitivity with use and will eventually fail, which is true of all pH probes. The reference junction is a small hole that allows the meter to compare the sample to a reference. If the junction hole gets clogged, the pH probe will no longer function.
The life of your pH electrode can be extended in the following ways:
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