Metrohm 751 GPD Titrino - Manual (Page 66)

2.6 Parameters, key <PARAM>
751 GPD Titrino
63
max.rate max. ml/min
**titr.
min.rate 5.0 ul/min
**titr.
direction: auto
start V: OFF
start V 0.0 ml
factor 0
dos.rate max. ml/min
**titr.
pause 0 s
time interval 10 s
Maximum rate (0.01...150 mL/min, max.)
<CLEAR> sets "max.".
This parameter primarily determines the addition rate
outside the control range, see also page 68.
The maximum rate depends on the Exchange Unit:
Exchange Unit max.
5 mL 15 mL/min
10 mL 30 mL/min
20 mL 60 mL/min
50 mL 150 mL/min
Minimum rate (0.01...9999 uL/min)
This parameter determines the rate within the control
range.
Direction is set automatically (+, -, auto)
auto: The direction is set automatically by the Titrino
[U
init
-U
end
]).
+: Direction of higher pH, higher voltage (more
"positive"), higher current.
- : Direction of lower pH, lower voltage, lower
currents.
The direction is used only when "init" has been selected
as start value.
Type of start volume (OFF, abs., rel.)
"OFF": start volume switched off
"abs": absolute start volume in mL
"rel.": relative start volume to sample
If "abs." is set:
Absolute start volume (0...999.99 mL)
If "rel." is set:
Factor for relative start volume (0...±999 999)
Calculated as: Start V in mL = factor
*
sample size
Dosing rate for start volume (0.01...150 mL/min, max.)
<CLEAR> sets "max.".
The maximum rate depends on the Exchange Unit:
Exchange Unit max.
5 mL 15 mL/min
10 mL 30 mL/min
20 mL 60 mL/min
50 mL 150 mL/min
Waiting time (0...999 999 s)
Waiting time, e.g. for stabilization of the electrode after
start or reaction time after dosing of a start volume. The
waiting time can be aborted with <QUIT>.
Time interval (1...999 999 s)
Time interval for the entry of the measured values in the
measuring point list. The measuring point list can
contain max. 500 points.