Online Dissolved Oxygen Meter

Online dissolved oxygen meter with a 0.0 to 20.0 mg/L range and ±0.5 mg/L accuracy, suitable for laboratory applications and for industry. The DO-O680 is an online industrial dissolved oxygen meter with 4 to 20 mA signal output and 1- or 2-point calibration: a professional device for real-time oxygen concentration and % saturation measurement in aquaculture and water treatment. Features: Economical industrial online dissolved oxygen meter with polarographic electrodes. Setup menu to customise the number of calibration points, temperature units and more. Automatic temperature compensation ensures accurate measurements over the full range. High and low alarm limits with customisable hysteresis. 1- or 2-point calibration with air-saturated water or zero-oxygen solution. Reset function automatically restores the meter to factory default settings. Salinity and atmospheric pressure compensation eliminates measurement errors.