Milwaukee MA9071 Oxygen Electrolyte Solution

SKU: 9139-MA9071~ea
Milwaukee MA9071 Oxygen Electrolyte Solution

Milwaukee MA9071 Oxygen Electrolyte Solution

SKU: 9139-MA9071~ea
Regular price $64.27 CAD
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Milwaukee MA9071 Oxygen Electrolyte Solution

The MA9071 electrolyte fill solution is designed for Milwaukee's polarographic dissolved oxygen probe. A high-quality electrolyte solution is crucial to the performance of the dissolved oxygen probe.  The solutions are factory mixed using reagent-grade chemicals in a dedicated, temperature-controlled environment.  The solution is sealed in an air-tight bottle with a tamper-proof seal.  It has a product code, expiration date, and lot number for traceability.


  • Package: Bottle
  • Size: 230 mL
  • Quantity: 1
  • Certificate of Analysis: No


“Open air” calibration procedure for the MW600:

  1. Take the membrane off the end of the probe and dry the diode.
  2. Connect the probe to the base unit and turn the unit on. The display should read 0.0.  If it does not, go to the position “0” screw on the front of the unit.  With the screwdriver provided, and through the access hole, make the unit display read 0.0.
  3. Go to the membrane and put the “O” ring inside the membrane on the shoulder at the base of the threads. Fill the membrane to just short of the “O” ring with MA9071 electrolyte solution. Be sure that there are no bubbles inside the membrane, air bubbles are the main cause of calibration failure.
  4. Screw the membrane on to the probe.
  5. Turn the meter on and hang the probe off the end of a table pointing down and let the unit display stabilize. This may take 5 to 15 minutes.
  6. Push down and hold the “Cal” button on the front face of the meter and with the screwdriver. Go to the front Cal position “100%” and make the display read 100.

Extra Tips:

  1. Watch for the membrane having wrinkles or stretch marks. If you see wrinkles, replace with a new membrane.
  2. Always use fresh electrolyte solution (MA9071).
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