Professional DO9100 Dissolved Oxygen Meter Digital DO Test Water Quality Analyze

Dissolved oxygen saturation (%): 0.0-300. Dissolved oxygen saturation (%): 0.1%. Dissolved oxygen saturation (%): ±1.5%F. S. 1 x dissolved oxygen electrode. Oxygen concentration (mg/L): 0.0-40. Oxygen concentration (mg/L): 0.1 mg/L.

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