wtw pH 1970i, Руководство по эксплуатации

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Operation pH 1970i
22 ba75690e01 01/2007
Sample printout:
Calibration evaluation After the calibration, the measuring instrument automatically evaluates
the current status of the electrode. The asymmetry and slope are eval-
uated separately. The worst evaluation appears on the display.
CALIBRATION PROTOCOL
02.03.02 14:19
Device No.: 12345678
Calibration pH
Cal time: 01.03.02 / 15:20
Cal interval: 7d
AutoCal DIN Tauto
Buffer 1 1.679
Buffer 2 4.008
Buffer 3 6.865
Buffer 4 9.180 *
C1 174.1 mV 25.0°C
C2 -133.3 mV 25.0°C
S1 -59.4 mV/pH
ASY1 - 4 mV
Probe: +++
Display Asymmetry
[mV] Slope
[mV/pH]
-15 ... +15 -60.5 ... -58
-20 ... +20 -58 ... -57
-25 ... +25 -61 ... -60.5
or
-57 ... -56
Clean the electrode according
to the electrode operating
manual
-30 ... +30 -62 ... -61
or
-56 ... -50
E3
Eliminate the error according to
chapter 6 W
HAT TO DO IF
...
< -30 or
> 30 < -62 or
> -50