
Transmitter M400 114
© 02 / 2010 Mettler-Toledo AG, CH-8606 Greifensee, Switzerland Transmitter M400
Printed in Switzerland 52 121 378
14.8 ISFET Error messages / Warning- and Alarm list
Warnings Description
Warning pH slope >102% Slope too big
Warning pH Slope < 90% Slope too small
Warning pH Zero >7.5 pH Zero offset too big
Warning pH Zero < 6.5 pH Zero offset too small
Alarms Description
Watchdog time-out* SW/System fault
Error pH Slope >103% Slope too big
Error pH Slope < 80% Slope too small
Error pH Zero > 8.0 pH Zero offset too big
Error pH Zero < 6.0 pH Zero offset too small
* According to the parameterization of the transmitter (see chapter 8.5.1 “Alarm”;
PATH: Menu/Configure/Alarm/Clean/Setup Alarm).
14.9 Dissolved carbon dioxide Error messages /
Warning- and Alarm list
Warnings Description
Warning pH slope >102% Slope too big
Warning pH Slope < 90% Slope too small
Warning pH Zero >7.5 pH Zero offset too big
Warning pH Zero < 6.5 pH Zero offset too small
Warning pHGls change < 0.3 Glass electrode resistance changed by more than factor 0.3
Warning pHGls change > 3 Glass electrode resistance changed by more than factor 3
Alarms Description
Watchdog time-out* SW/System fault
Error pH Slope >103% Slope too big
Error pH Slope < 80% Slope too small
Error pH Zero > 8.0 pH Zero offset too big
Error pH Zero < 6.0 pH Zero offset too small
Error pH Gls Res > 2000 MΩ* Glass electrode resistance too big (break)
Error pH Gls Res < 5 MΩ* Glass electrode resistance too small (short)
* According to the parameterization of the transmitter (see chapter 8.5.1 “Alarm”;
PATH: Menu/Configure/Alarm/Clean/Setup Alarm).
Comentários a estes Manuais