EP1400
EC/pH/°C METER
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8
6 CALIBRATION
TAKE CARE:
The EP1400
is programmed for the “Nieuwkoop” calibration liquids.
Use always original calibration liquids of Nieuwkoop BV. Please make sure the liquids are always fresh.
EC-calibration
1. Keep the EC button pressed.
2. Release the button when "CAL" 3. On the display appears "EC1".
4. Clean the EC-electrode with
appears on the display. The LED This means that you are in the
demiwater and make it dry.
on the button will burn.
calibration mode.
5. Put the electrode into the EC-4 6. While the value blinks and the 7. When the value is stable, it
8. When the value is recognised,
buffer solution and rinse carefully. "~" sign is visible, the meter
will be compared to the standard it appears on the display.
checks the stability.
values.
9. When this is the right value,
10. Clean the electrode with demi
confirm by pushing the EC button. water and store it dry.
When a buffer solution is not standard (2mS of 4mS), the solution will not be recognised. In this case you
must follow steps 1 to 5 from above and steps 6 to 8 here under.
6. When the value stabilise, this
7. Adjust the value of the solution 8. Confirm the value by pressing
will be indicated on the display.
manual with the "
▲
" or "
▼
" button. the EC-button.
If the instrument is not temperature compensated, the temperature has to be adjusted manually.
See Chapter 4.
To stop the calibration procedure prematurely, push the temperature or pH button during calibration.
Содержание EP1400
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