Milwaukee MA9071 - Electrolyte Solution for Oxygen Probes

The MA9071 electrolyte filling solution is designed for the Milwaukee MW600 polarographic dissolved oxygen probe.

The MA9071 electrolyte solution is specifically designed for Milwaukee polarographic dissolved oxygen probes. A high quality electrolyte solution is essential to ensure the best performance of your dissolved oxygen probe.

Features

• Precise formulation: Prepared in the laboratory using analytical grade chemical reagents in a dedicated temperature controlled environment.
• Traceability: Product labelled with product code, batch number and expiry date.
• Security: Hermetically sealed bottle with tamper-evident seal.

Use and maintenance

Open air" calibration procedure for the MW600 dissolved oxygen meter:

1. Remove the membrane: Remove the membrane from the end of the probe and dry the diode.
2. Zero the display: Connect the probe to the base unit and switch it on. The display should indicate 0.0. If it does not, use the screwdriver provided to adjust the '0' screw on the front of the unit until it reads 0.0.
3. Fill the membrane: Insert the sealing ring inside the membrane and fill the membrane with the MA9071 electrolyte solution to just before the sealing ring. Ensure that no air bubbles are present inside the membrane. (Air bubbles are the main cause of calibration errors).
4. Attach the membrane: Screw the membrane onto the probe.
5. Allow to stabilise: Switch on the meter, hang the probe from the edge of a table with the tip pointing downwards and allow the display to stabilise (this may take 5 to 15 minutes).
6. Adjust: Press and hold the 'Cal' button on the front of the meter and, using the screwdriver, move to the '100%' calibration position and adjust the display until the value 100 is reached.

Extra tips:

• Check the membrane for any creases or signs of stretching. If creases are observed, replace the membrane with a new one.
• Always use a fresh electrolyte solution (MA9071).

Specifications

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