Metrohm 799 GPT Titrino Benutzerhandbuch

Seite 159

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3.2 Remote control commands

799 GPT Titrino

155

.MaxRate: Maximum allowed titration rate in ml/min. Max. means maximum

possible rate with the mounted Exchange Unit.

.MinRate: Minimum titration rate in ul/min.

3.2.2.60. Mode.Parameter.DosPara.Direction +,

-, auto

Parameters for DOC: Titration direction.

auto means the titration direction is determined automatically by the instru-

ment. The direction is used only when the ramp start is the same as init.

3.2.2.61. Mode.Parameter.DosPara.StartV.Type abs.,

rel.,

OFF

Mode.Parameter.DosPara.StartV.V 0...999.99

Mode.Parameter.DosPara.StartV.Factor

0...±999 999

Mode.Parameter.DosPara.StartV.Rate 0.01...150, max.

Mode.Parameter.DosPara.Pause

0...999 999

Parameters for DOC: Start volume and pause time in s. Runs after dispensing

of the start volume.

If an absolute start volume (abs.) has been selected, the volume is in ml (Vol-

ume).

A relative start volume (rel.) is dispensed as a function of the sample size:

Start volume in ml = sample size * factor (the factor selected (Factor)

The dosing rate in ml/min holds for both cases. Max. means the maximum

possible dosing rate with the Exchange Unit currently mounted.

3.2.2.62. Mode.Parameter.DosPara.MeasInput

1, 2, diff.

Mode.Parameter.DosPara.Ipol 0...1...±127

Mode.Parameter.DosPara.Upol 0...400...±1270

Mode.Parameter.DosPara.PolElectrTest ON, OFF

Parameters for DOC:

Selection of the measurement input (MeasInput) applies to the measured

quantities pH and U. diff. means differential amplifier, see page 216.

With Ipol, the requests for the polarization current in uA (Ipol) and

.PolElectrTest apply.

With Upol, the request for the polarization voltage in mV (Upol) applies. Entry

in steps of 10 mV. .PolElectrTest also applies.

If the test for polarized electrodes is switched on (ON), it will be performed on

the change from the inactive basic mode to an active mode.

3.2.2.63. Mode.Parameter.Measuring.SignalDrift

pH, U, Ipol, T:

0.5...999, OFF

Upol: 0.05...99.9, OFF

Mode.Parameter.Measuring.UnitSigDrift read

only

Mode.Parameter.Measuring.EquTime 0...9999, OFF

Parameters for MEAS: Criteria for the measured value acquisition. Measured

value drift in mV/min (with pH, U, Ipol, T), uA/min (with Upol), resp. °C/min

(with T). Equilibration time in s. OFF means that the corresponding criterion is

switched off. If both criteria are OFF, the measurement continues indefinitely.

If the equilibration time has never been edited, it is automatically calculated by

the instrument to match the drift, see page 69. After it has been edited once, it

remains in force with the set value.

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