Milwaukee pH 4.01 Calibration Buffer Solution

  • $14.99

Probe calibration is a simple procedure for optimal performance and should be done any time your readings become suspect. Calibration should be performed at least once a month.

MA9004 is a lab grade pH 4.01 buffer solution certified to meet the standard to an accuracy of ±0.01 pH removing the inaccuracies involved with mixing buffers.

Milwaukee solutions are designed to help you achieve reliable and repeatable pH measurements while extending the life of your electrode.

Sold as either 1 - 230ml bottle, or 2 x 20ml sachets


  • Fundamental for the correct use of electrodes and for obtaining the most accurate and reproducible readings
  • Ideal for fast calibration

    230ml Bottles
  • Sealed against light with air tight, tamper proof cap
  • Simply open, pour into a beaker or container and insert the tester or electrode to start the calibration process.

    20ml Sachets
  • Ideal for on-the-spot calibration 
  • Simply open, insert the tester or electrode into the sachet and calibrate 

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