Operation
41
3 Troubleshooting
Error messages
Range exceeded
If a measured value is out of range, an error mes-
sage is displayed instead of the value measured.
The measured pH value is
< –2 or > +16.
Possible causes:
• Electrode defective
• Too little electrolyte in electrode
• Electrode not connected
• Break in electrode cable
• Incorrect electrode connected,
e.g. ORP electrode
The measured electrode potential is
< –1999 mV or > +1999 mV.
Possible causes:
• Electrode defective
• Electrode not connected
• Break in electrode cable
The measured temperature is
< –50 °C or > +150 °C
Possible causes:
• Temperature probe defective
Содержание 765
Страница 1: ...Instruction Manual 765 Laboratory pH Meter ...
Страница 23: ...Operation 17 Time Date Year End of VIEW menu End of EDIT menu ...
Страница 60: ...765 Laboratory pH Meter 54 Appendix ...