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Milwaukee MW101 Portable 0-14 pH Meter

SKU: 9139-MW101~ea

SKU: 9139-MW101~ea

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Milwaukee MW101 Portable 0-14 pH Meter - High Accuracy 2 point Manual Calibration 

Handheld pH Meter with reliable, fast and simple operation. Ruggedly constructed to be knock resistant, and paired with low maintenance, a lab grade SE220 double junction, and gel filled electrode. This pH meter is ideal for growers, brewers, educators and pool professionals. 


  • Fast easy to read results with large digital LED readout.
  • Lightweight and portable.
  • Easy measurement: just place the probe in the sample, gently stir and wait for the reading to stabilize
  • Simple manual two-point calibration for increased accuracy.
  • Gel-filled, double junction lab grade pH electrode for low maintenance and high performance with a screw on cap to ensure proper storage (SE220 probe included).
  • 3 feet probe cables for extra flexibility when testing.
  • Auto shut off and low power demand for approx. 300 hours of continuous use.
  • Environment 0 to 50°C / 32 to 122°F; max RH 95%

  • Includes: Instruction Manual, Calibration Screwdriver, 1x 20ml Sachet of pH 7.01 Calibration Solution, 1x SE220 pH Electrode


pH Range:

 0.00 to 14.00 pH

pH Resolution:

0.01 pH

pH Accuracy:

±0.02 pH

Temperature Compensation: 
Manual, 0 to 50°C
Calibration: Manual, in 2 points through offset and slope trimmers
pH Electrode:  SE220 with 3 foot cable (included)
Environment: 0 to 50°C / 32 to 122°F; max RH 95%


150 x 30 x 24 mm
(5.9 x 1.2 x 0.9")

Battery Type

1 x 9V (included)
Approx. 300 hrs of continuous use         


220g / 7.8oz with battery

Literature Available:
MW100-101-102-500 Literature
MW101 Manual