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Milwaukee MW101 pH Meter w/Battery

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Milwaukee MW101 pH Meter w/Battery

SKU: 205450

reg. $79.99

Special Price: $71.99

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Quick Overview

The Milwaukee MW101 pH Meter with battery is a low cost, high quality and reliable pH meter. The Milwaukee MW101 pH Meter ships complete with a pH probe, calibration solution, a 9V battery, instruction manual and a screwdriver for easy calibration.

Milwaukee MW101 pH Meter Manual


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Previously Asked Questions

  • by Amy on June 14, 2014, @5:11 AM

    I am looking to purchase a digital pH meter. I do not have a controller. The Milwaukee mw101 with battery meter that you have listed in your site is quite nice, but in the instruction manual it says that the probe should be stored with a storage fluid. This storage fluid does not come with the unit. Do you have other units that do not need this storage fluid, or can you recommend where I can get this storage fluid?

    Bulk Reef Supply Hi Amy,
    Pretty much all probes need to be stored in a storage solution if there out of the tank (don't want them to dry out). You can find the storage solution right here:

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  • by trent on April 26, 2014, @3:48 PM

    can I use this to test my RO/DI water as well as my tank? do you sell the storage solution? I would only use this for spot checks as I already have a continuous PH meter in my tank.

    Bulk Reef Supply Hi Trent,
    It would work perfectly fine for that, though I wouldn't suggest measuring the pH of your RO/DI water. RO/DI water has almost no resistance to change in pH so the pH will change quickly and often and is largely depending on the amount of CO2 in the air around the water storage tank. It will change quickly to normal range of pH of your tank when you add all the salt. Probe storage solution can be found right here:

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Full Details

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. Milwaukee Smart conductivity meters provide stable and 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: +/- 0.01 pH

Calibration: Manual 2 points

Temperature Compensation: Manual 9V

Battery Life: 300 hours

Environment: 0 to 50°C / 32 to 122°F; max RH 95%

Max Dimensions: 80 x 145 x 35 mm


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