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Need simple, easy, and accurate dissolved oxygen testingµanywhere, anytime? Look no further than this simple-to-use meter! Designed for 1-handed operation, the OHAUS DO Pen Meter features durable IP67 waterproof housing and a protective cap that safeguards the membrane. Also, it shuts off automatically to preserve battery life.
Created specifically for educational purposes, this dependable pen meter features simple operation in a slim, portable design that offers highly accurate operation time after time. You can even measure a sample of dissolved oxygen using just 1 hand. Built with the student in mind, the OHAUS DO Pen Meter features durable IP67 waterproof housing and a protective cap that safeguards the membrane. Also, it shuts off automatically to preserve battery life. Meter comes with a storage case and a wrist strap to help prevent damage due to unintentional dropping. Testing membranes have a shelf life of 9 to 12 months with regular use. Replacement Membrane (item #186045) and Replacement Electrode (item #186044) are also available.
