Metrohm 781 pH/Ion Meter - Manual (Page 156)

9.3 Menu structures
146
780/781 pH/Ion Meter, Manual
9.3.2 Method parameters in the pH mode
PARAMETER pH
├
measuring parameters
│ ├
electr.id
│ ├
drift pH
│ ├
temperature
│ ├
method
│ ├
delta measurement
─
ON
───
reference pH
│ └
stirrer
───┬
ON
────
stirring rate
│ └
control
┬
stirring rate
├
calibration parameters
├
prestir pause
│ ├
temperature
├
stir time
│ ├
drift
└
poststir pause
│ ├
report
│ ├
cal.interval
│ ├
no.of buffers
│ ├
buffer type
───┬
Metrohm, NIST, DIN, ...
│ │ ├
special
┬
pH buffer 1
│ │ │ :
│ │ │ └
pH buffer n
│ │ ├
own
┬
own buffer 1
│ │ │ :
│ │ │ └
own buffer 5
│ │ └
mixed
┬
buffer 1
│ │ :
│ ├
low lim.slope
└
buffer 5
│ ├
up lim.slope
│ ├
low lim.pH(0)
│ ├
up lim.pH(0)
│ └
offset Uoff state
─
ON
─
offset Uoff
│
│
├
limits pH
│ └
state
─────
ON
───┬
u.limit pH
│ ├
u.hyst. pH
│ ├
l.limit pH
│ └
l.hyst. pH
├
limits T
│ └
state
─────
ON
───┬
u.limit
│ ├
u.hyst.
├
plot parameters
├
l.limit
│ ├
left mar. pH
└
l.hyst.
│ ├
right mar. pH
│ ├
left marg.T
│ └
right marg.T
│
├
preselections
│ └
req.ident
│
└
electrode test
├
electrode type
┬
standard, gel, non-aqu.
│ └
own
───┬
excellent electrode
├
temperature
├
good electrode
└
report
├
passing Elektrode
├
l.limit Uoff
└
u.limit Uoff