Slot for hand strap Display Battery compartment Thank you for selecting the 820 portable dissolved oxygen meter. This user manual provides a step-by-step guide to help you operate meter, please carefully read the following instructions before use. Any use outside of these instructions may invalidate your warranty and cause permanent damage to the meter.
Overview Keypad Function • Switch the meter on or off • Lock or unlock the measurement • Exit the calibration, settings, data logs and return to the measurement mode • Select the % saturation or mg/L mode • Press and hold the key to enter the temperature setting •...
Meter Setup Reset the meter to factory default settings. Note, the meter must be recalibrated. The 820 meter contains an integrated setup menu for customizing the displayed option to meet measurement requirements. The following Enable table describes the functions of each menu item.
Setup Setting the Barometric Pressure In the measurement mode, press and hold the key to enter the The table below describes the relationship between the altitude and setup menu. barometric pressure, make sure to set a compatible parameter before Press the key until the display shows (pressure).
Calibration Prior to Use Dissolved Oxygen Calibration The 820 meter allows 1 or 2 points dissolved oxygen calibration. If you Filling the Electrolyte Solution have selected the single point calibration in the setup menu, we recommend that you perform a 100% saturation calibration in the.
Calibration 2 Points Calibration 3.2 Press the Cal key, the display shows 100.0% / CAL1. 2.1 Ensure that you have selected 2 points calibration in the setup 3.3 Hold the dissolved oxygen electrode in the air at 100% relative humidity or place the electrode into the air-saturated water for menu.
Data Management The 820 meter can be used to measure the water, wastewater, brine The 820 meter is capable of storing and recalling up to 100 data sets. and other liquids. If your sample is seawater or water containing large...
If the meter does not store any reading, the display will show ---- only. Communication The 820 meter can transfer the data to a computer or import the data Clearing the Data Logs to Excel by a DAS software. You are able to download this software...
Appendix Meter Specifications Electrode Maintenance Model Bante 820 Dissolved Oxygen • Rinse the dissolved oxygen electrode thoroughly with distilled water after use. Range 0.00 to 20.00 mg/L • Do not touch the membrane and always keep it is clean and wet.
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