71
Menu Display
Cal timer, tolerance band recorder
Calibration timer
After expiration of a presettable inter-
val (Parameter setting, Module PH, Cal
preset values), the calibration timer
generates a warning message as a
reminder that calibration is required.
The remaining time can be indicated
in the measuring mode by pressing a
softkey (secondary display: “CTime”).
Diagnostic Functions
Cal timer, adaptive cal timer, tolerance adjustment
Tolerance adjustment
Add-on function SW3400-005 / FW4400-0051)
Records the tolerance ranges for zero
and slope over the time. If the values
determined by a calibration exceed
the tolerance limits, the calibration is
taken over as adjustment. Display can
be graphical or as a listing.
The tolerance band (zero, slope) is
configured during parameter setting
(Module PH, Cal preset values).
Adaptive cal timer
24.0 °C
7.00 pH
T-band recorder
Return
Zero
24.0 °C
7.00 pH
Slope
Return
Next calibration in approx. 102 h
(02.04.07 14:08)
Default
Adaptive
Current
El stress
168 h
160 h
58 h
5 %
61.7
50.7
8.00
6.00
CTime 160h
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Adaptive calibration timer
The time until the next due calibra-
tion is automatically reduced depend-
ing on the temperature and pH value,
i.e. old electrode = timer expires
sooner.
1) Protos II 4400(X): FW4400-005 only available from
FRONT firmware version 02.xx.xx.
N
ot
e:
T
he displa
y ma
y v
ar
y depending on the devic
e v
ersion.
Содержание Protos II 4400
Страница 18: ...18 ...
Страница 23: ...23 Wiring Examples Connection of ISM sensor Transparent Black PH 3400 X 035 ...
Страница 73: ...73 ...
Страница 88: ...88 Appendix Buffer table Mettler Toledo ...
Страница 90: ...90 Appendix Buffer table DIN 19267 ...
Страница 92: ...92 Appendix Buffer table Techn buffers to NIST ...
Страница 93: ...93 Appendix Buffer table Hamilton ...
Страница 94: ...94 Appendix Buffer table Kraft ...
Страница 95: ...95 Appendix Buffer table Hamilton A ...
Страница 96: ...96 Appendix Buffer table Hamilton B ...
Страница 97: ...97 Appendix Buffer table HACH ...
Страница 100: ...100 ...
Страница 111: ...111 Index Protos PH 3400 X 035 Module ...