Trace2O HydroCheck HC1000, Инструкция по эксплуатации

Страница: 32 / 62

32
8.1 DO Calibration in % Saturation Mode
The HC1000 dissolved oxygen probe can be calibrated quickly in air. In the percentage
saturation mode, the meter is able to perform either 1 or 2 points calibration. For single point
calibration, it is recommended to perform 100% saturation calibration in air. For the 2 point
calibration, the second point should be saturated anhydrous sodium sulfite solution (zero
oxygen solution).
8.2 100% saturation calibration:
8.2.1 Press MODE key until the meter shows
indicator and measurement unit “%”.
8.2.2 Make sure that 1 point calibration is selected in the setup menu.
8.2.3 Press CAL key;
the meter enters calibration mode, the display shows “100%/CAL1”.
8.2.4 Hold the dissolved oxygen probe in the air, press ENTER key to confirm. Wait for the
measured value to stabilis
e, the display shows “END”. Once calibration is complete, the
meter returns to measurement mode automatically.
8.3 2 Point Calibration:
8.3.1 Ensure that 2 point calibration is selected in the setup menu.
8.3.2
Press CAL key, the meter shows “100/CAL1”.
8.3.3 Press
▲ or ▼ key until the display shows “0/CAL1”.
8.3.4 Immerse the dissolved oxygen probe into the saturated anhydrous sodium sulfite solution
(zero oxygen solution). Stir the probe gently.
MI
