EUTECH INSTRUMENTS PH 6 PLUS PH MV TEMP Manuel d'instructions Page 15

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Instruction Manual CyberScan pH 1100/ 2100
15
3.1.5 Calibration error messages
Standard pH Buffer Calibration:
If the first buffer value of 7.000 or 6.860 is off by more than ±1.0,
the upper display will flash Error: and the lower display will read
pH Offset Error. See Figure 24. Press EXIT to clear error
message and return to pH measurement mode.
If any other pH buffer point is off by more than ±1.0, the upper
display will flash Error: and the lower display will read pH Slope
Error. See Figure 25. Press EXIT, to clear error message and
return to pH measurement mode.
Custom pH Buffer Calibration:
If the each custom pH buffer value is not within ±1.0 pH of the
keyed in value, the upper display will flash Error: and the lower
display will read Too much offset @7pH. See Figure 26. Press
EXIT to clear error message and return to pH measurement
mode.
If the slope is not within 75% to 105%, the upper display will
flash Error: and the lower display will read Slope out: 75% -
105%.
See Figure 27. Press EXIT to clear error message and return to
pH measurement mode.
If adjacent calibration points are less than ±1.0 pH apart, the
upper display will read Error: Pts too close, and the lower display
will read OR slope diff. sign. See Figure 28. Press EXIT to clear
error message and return to pH measurement mode.
/measurement
Figure 24
Figure 25
Figure 26
Figure 27
Figure 28
Error :
pH Offset Error*
Error :
pH Slope Error*
Error :
Too much Offset @7
Error :
Slope out:75% - 105%
Error :Pts too close
Or slope diff. sign
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