Portable gas analyzer Hach Ultra

3650 handheld analyzer measures accurately both saturated and trace level (down to 1 ppb) concentrations of oxygen in gas as well as in liquids. 3655 measures dissolved oxygen. Stores up to 500 measurements. Rechargeable batteries allow up to 40 hours operation in continuous measuring mode.


-Waterproof, super-sturdy, lightweight O2 or dO2 analyzer
-Works with an Orbisphere patented electrochemical sensor
-No warm up necessary for accurate measuring

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