Idiomas disponibles
Idiomas disponibles
Calibration
AutoCal TEC
AutoCal DIN
Calibration
evaluation
6
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Calibration
This process is specially adapted to the WTW technical buffer solutions as a
fully automatic single, two-point or three-point calibration. The buffer so-
lutions are automatically recognized by the measuring instrument. Depend-
ing on the instrument setting, the instrument displays the relevant buffer
nominal value or the current electrode voltage in mV.
Valid buffer (values at 25 °C): 2.000 / 4.006 / 7.000 / 10.011
Note
The calibration for pH 10.01 is optimized for the WTW technical buffer solu-
tion TEP 10 Trace or TPL 10 Trace. Other buffer solutions can lead to an er-
roneous calibration. The correct buffer solutions are given in the WTW
catalog or in the Internet.
as AutoCal TEC, but matched to buffer solutions according to DIN 19266.
Valid buffer (values at 25 °C): 1.679 / 4.006 / 6.865 / 9.180
After calibrating, the measuring instrument automatically evaluates the cali-
bration. The asymmetry and slope are evaluated separately. The worst eval-
uation appears on the display.
Display
Clean the electrode according
to the electrode operating
manual
E3
Invalid calibration
Asymmetry[mV]
Slope [mV/pH]
-15 ... +15
-60.5 ... -58
-20 ... +20
-58 ... -57
-25 ... +25
-61 ... -60.5
or
-57 ... -56
-30 ... +30
-62 ... -61
or
-56 ... -50
< -30 or > 30
< -62 or > -50
pH 315i
Capítulos
