Metrohm 785 DMP Titrino User Manual
Page 19
2.6. Parameters, key
785 DMP Titrino
16
pause 0 s
**titr.
meas.input: 1
I(pol) 1 uA
U(pol) 400 mV
electrode test: OFF
temperature 25.0 °C
Waiting time (0...999 999 s)
Waiting time, e.g. for equilibration of the electrode after
the start or reaction time after dosing of start volume.
The pause can be aborted with
Measuring input for pH and U (1, 2, diff.)
Request for measuring input for pH and U.
Measuring input 1 or 2 or differential amplifier;
connection of electrodes, see page 158.
With polarized electrodes, instead of the measuring
input the
polarization current (-127...127 uA)
or the
polarization voltage (-1270...1270 mV, in steps of 10
mV)
is inquired.
Electrode test (OFF, ON)
Test for polarized electrodes. Performed on
changeover from the inactive standby state to a
measurement. "OFF" means that the test is not
performed.
Titration temperature (-170.0...500.0 °C)
The temperature is continuously measured if a T
sensor is connected. This parameter is used for
temperature compensation in pH titrations.
>stop conditions
stop V: abs.
**titr.
stop V 99.99 ml
**titr.
factor 999999
**titr.
stop pH OFF
**titr.
Stop conditions for the titration
If several stop conditions have been set, the criterion
which is met first applies.
Type of stop volume (abs., rel., OFF)
"abs.": absolute stop volume in mL.
"rel.":
relative stop volume to sample size.
"OFF": stop volume switched off. Stop volume is not
monitored.
If "abs." is set:
Absolute stop volume (0...9999.99 mL)
If "rel." is set:
Factor for relative stop volume (0...
±999 999)
Calculated as: Stop V in mL = factor * sample size
Stop at measured value (input range dependent on
measured variable:
pH:
0...
± 20.00, OFF
U, Ipol: 0...
± 2000 mV, OFF
Upol:
0...
± 200.0 uA, OFF)
"OFF" means that the criterion is not monitored.