OHAUS DO Pen Meter
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.
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OHAUS DO Pen Meter Item #186043
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OHAUS DO Pen Meter Replacement Electrode Item #186044
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OHAUS DO Pen Meter Replacement Membrane Item #186045