Check the dissolved oxygen available to aquatic animals with the Milwaukee MW600 PRO portable meter. Place its probe in the sample to read oxygen concentration on the digital display. It is useful for aquarium, pond and aquaculture water-quality checks; it measures oxygen rather than adding aeration.

• Range: 0.0–19.9 mg/L.
• Resolution: 0.1 mg/L.
• Accuracy: ±1.5% of full scale.
• Manual two-point calibration.
• Automatic temperature compensation from 0–30°C.
• MA840 polarographic probe with approximately 3 m cable.
• Powered by an included 9V alkaline battery.

Includes: MW600 meter, MA840 probe, calibration screwdriver, spare membranes, starter electrolyte solution, battery and instructions.

Before use: Prepare and calibrate the probe according to the manual. The membrane and electrolyte require maintenance. Use MW600-compatible supplies; pH buffers and pH-electrode storage solutions are not substitutes.

Shipping: Standard Parcel shipping is $19.99. This item does not qualify for free shipping.