Metrohm 781 pH/Ion Meter: Operation via RS-232 User Manual
Page 15
2 Remote control commands
780/781 pH/Ion Meter - Operation via RS232
13
│ │
├
.LeftMargin
Left margin of temperature scale [°C] -999.9...0.0...999.9
│ │
└
.RightMargin Right
margin
of temp. scale [°C]
-999.9...100.0...999.9
│ └
.Presel
Preselections
│
└
.IReq
Request of identifications after start id1, id1 & id2, OFF
│
└
.
Conc
Measuring mode Conc (concentration)
(781 only)
├
.MeasType
Selection of measuring type
direct, std.add, smpl.add
├
.IonPara Ion/Concentration
$G,
$S
│
├
.Ion
│
│
├
.Select
Selection of ion type
Ag(+1), BF4(–1), Br(–1), Ca(+2),
│
│
│
Cd(+2), Cl(–1), CN(–1), Cu(+2),
│
│
│
F(–1), I(–1), K(+1), Na(+1), NH4(+1),
│
│
│
NO2(–1), NO3(–1), Pb(+2), S(–2),
│
│
│
SCN(–1), SO4(-2), own
│
│
└
.Own
│
│
├
.Name
Name of ion
7 ASCII char.
│
│
└
.Charge
Charge of ion
-9...-1, 1...9
│
└
.Unit
│
├
.Select
Unit for concentration
mol/L, %, ppm, g/L, mg/L, µg/L,
│
│
mEq/L, own
│
└
.Own
String for own unit
5 ASCII char.
│
├
.MeasPara
Measuring parameters
│
├
.ElectrodeId
Electrode identification
12 ASCII char.
│
├
.Drift
Drift f. meas. val. acquisition [mV/min] 0.1...1.0...999.9, OFF
│
├
.Temperature
Measuring temperature [°C]
-999.9...25.0...999.9
│
├
.MethodId
Method name
8 ASCII char. (read only)
│
├
.Delta Delta
measurement
│
│
├
.Status
Status of delta measurement
ON, OFF
│
│
└
.Reference
Reference for delta measurement
-1.00E+30...0.00...1.00E+30
│
└
.Stirrer
│
├
.Status Status
of
stirrer
ON,
OFF, control
│
├
.Rate Stirring
rate
1...5...15
│
├
.PreStirTime Pause before stirring [s]
0...99999
│
├
.StirTime
Stirring time [s]
0...99999
│
└
.PostStirTime Pause after stirring [s]
0...99999
├
.CalcPara
Calculation parameters
│
├
.SmplSize Sample
size
[mL] or [g]
0.0001...1.0...99999.9, OFF
│
├
.VTotal
Total starting volume [mL]
0.001...100.0...9999.9
│
├
.Factor
Factor (result multiplier)
-1.0E+30...1.0...1.0E+30
│
└
.SmplUnit
Unit for sample size
mL, g
├
.Direct
Parameters for direct measurement
│ ├
.Cal
$G, $S
│ ├
.CalPara
Calibration parameters
│ │
├
.CalTemp
Calibration temperature [°C]
0.0...25.0...99.0
│ │
├
.Drift
Drift for meas. val. acqu. [mV/min]
0.1...0.5...9.9
│ │
├
.Report
Automatic printout of calibration report short, full, OFF
│ │
├
.CalInterval
Calibration interval [h]
1...999, OFF
│
│
├
.NumberStd
Number of standards
1, 2...19
│
│
├
.Type
Type of standard handling
manual, auto
│
│
├
.Manual Manual
calibration
│
│
│
├
.1
│
│
│
│
└
.Conc
Concentration of standard 1
1.0E-30...0.01...1.0E+30
│
│
│
├
.2
│
│
│
│
└
.Conc
Concentration of standard 2
1.0E-30...0.01...1.0E+30
│
│
│
└
up to 19
│
│
└
.Auto Definition of own buffers
│
│
├
.CMin
Minimal concentration of standard
1.0E-30...0.1...1.0E+30