Milwaukee Instruments

Milwaukee MC120 pH Monitor

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Milwaukee Instruments offers the most affordable pH and ORP aquarium equipment. The attractive price and high quality has made Milwaukee an increasingly popular choice for aquarists. Milwaukee Smart meters are manufactured to be easy to use, practical and accurate. They are ideal for saltwater aquarium use and provide stable reliable results. The instruments can be calibrated using the trimmer provided on the back.


Range: 0.00 - 14.00 pH

Resolution: 0.1 pH

Accuracy: +/- 0.02 pH

Calibration: Manual 2 points

Set Point Range: 5.5 - 9.5 pH

Visual LED Alarm: activates when reading is higher or lower than set point

Power Supply: 12 VDC adapter

Electrode: Double junction pH electrode with 2 meter cable (BNC connector)


pdfMilwaukee MC 120 Manual

More Information
UPC 810666004201
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Product Questions

I was looking at the specs. for the Milwaukee MC 120 ph monitor that you recommended . In the specs. it mentions saltwater. Is this just as good in freshwater? being a Discus tank that's all it will be used in.
Question by: John on Jan 27, 2018, 10:51 AM
The pH monitor will work for freshwater aquariums.
Answer by: Charlie on Jan 30, 2018, 5:14 AM
What variety of probes can I use with this meter? I want to install the probe permanently in a 1.5-inch diameter pipe.
Question by: Glenn Erickson on Apr 17, 2016, 10:04 AM
Hey there,
We are a little confused by "variety" of probe. This will work with all pH probes we currently sell. to install in a piece of pipe you may be able to use the inline probe holder.
Answer by: Connor on Apr 20, 2016, 4:55 PM