DOscan10
I
4
2 Point Calibration
Ensure that you have selected 2 points calibration in the setup menu.
2.1 Repeat steps 1.1 and 1.2 above. When the first calibration point
.
is completed, the display will show 0%/
CAL2, the tester prompts
.
you to continue with second point calibration.
2.2 Place the dissolved oxygen electrode into the zero oxygen solution
.
for about 10 minutes, press the
Enter
key to begin the calibration.
When the reading has stabilized, the tester will show
.
Calibration is completed.
•
Performing a percentage saturation calibration will calibrate the
corresponding mg/L or ppm concentration value simultaneously.
•
To exit the calibration without saving calibrated values, press the
Meas
key.
Temperature Calibration
1. Press and hold the
Cal
key to enter the setup menu.
2. Press the
Enter
key until the display shows
/
or
/
.
3. Press the
Cal
key, the tester enters the temperature calibration
mode.
4. Place the electrode into a solution with a known accurate
temperature and wait for the measurement to stabilize.
5. Press the
Cal
key to modify the temperature value.
6. Press the
Enter
key to save and press the
Meas
key to return
to the measurement mode.
Measurement
The DOscan10 tester can be used to measure the water, wastewater,
brine and other liquids. If your sample is seawater or water containing
large amounts of salt, make sure to set the salinity coefficient before
measurement. Some gas and steam such as chloride, sulfur dioxide,
sulfureted hydrogen and carbon dioxide can permeate the membrane
via diffusion. Their existence will influence the measurements. If the
sample contains solvent, grease, sulfide and alga, the membrane will
be damaged or eroded.
