Description The Milwaukee MW600 PRO Portable Dissolved Oxygen Meter delivers professional-level accuracy and performance you can count on, wherever you go. Designed for precision and ease of use, this DO meter ensures rapid, reliable results, making it ideal for field biologists, educators, aquaculture specialists, and koi pond owners who require consistent readings without breaking the bank. Experience the convenience of laboratory-grade measurements in a portable package that enhances water quality management and supports aquatic life. Design features Clear, instant readings on a large digital LCD display Repeatable accuracy to ±1.5% FS for dependable monitoring Compact, lightweight, and easy to transport Streamlined 2-point open air calibration for dependable results Equipped with the durable MA840 polarographic DO probe featuring oxygen-permeable polytetrafluoroethylene (PTFE) membrane and robust ABS construction, with MA841 spare membrane compatibility Five o-rings, membranes, and one protective cap included for easy maintenance 10-foot probe cable allows flexible positioning during measurement Enjoy up to 70 hours of battery life with continuous use and a convenient low battery indicator Care and Use Open Air Calibration Procedure 1. Remove the membrane Detach the membrane from the probe and dry the diode thoroughly. 2. Zero out the display Connect the probe, power on the meter, and ensure the display reads 0.0. If needed, use the supplied screwdriver to adjust the “0” screw until 0.0 is shown. 3. Fill the membrane Place the “O” ring inside the membrane at the thread base. Fill with MA9071 electrolyte solution, just below the o-ring, ensuring no bubbles are present. 4. Attach the membrane Screw the membrane onto the probe securely. 5. Let stabilize Hang the probe facing downward from a table and allow the display to stabilize, which may take 5 to 15 minutes. 6. Adjust Press and hold the “Cal” button and use the screwdriver on the front Cal position “100%” to set the display to 100. The meter is now calibrated. Extra tips Replace membranes if you notice wrinkles or stretch marks. Always use fresh MA9071 electrolyte solution for calibration.
