Metrohm 781 pH/Ion Meter: Operation via RS-232 User Manual
Page 12
1.4 Error messages
10
780/781 pH/Ion Meter - Operation via RS232
&Mode
Object Description
Input
range
&Mode
Mode
$G, $S, $H, $C
:
├
.
Select
Mode selection
pH, U, T, Conc
├
.
pH
Measuring mode pH
│ ├
.Cal
Start or stop calibration
$G, $S
│ ├
.ElTest
Start or stop electrode test
$G, $S
│ ├
.MeasPara
Measuring parameters
│ │
├
.ElectrodeId
Electrode identification
12 ASCII char.
│ │
├
.Drift
Drift for meas.value acquisition [/min] 0.001...0.050...9.999, 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
-19.999...0.000...19.999
│ │
├
.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
│ ├
.CalPara
Calibration parameters
│ │
├
.CalTemp
Calibration temperature [°C]
0.0...25.0...99.0
│ │
├
.Drift
Drift f. meas. val. acquisition [mV/min] 0.1...0.5...9.9
│ │
├
.Report
Automatic printout of calibration report full, short, OFF
│ │
├
.CalInterval
Calibration interval [h]
1...999, OFF
│ │
├
.Buffer
│ │
│
├
.Number
Number of calibration buffers
1...2...9
│ │
│
├
.Type
Type of calibration buffer set
Metrohm, NIST, DIN, Fisher, Fluka-BS,
│ │
│
│
Mettler, Merck Tit., Merck Cer., Beckman,
│
│
│
│
Radiometer, Baker, Hamilton, Precisa,
│ │
│
│
special, own, mixed
│ │
│
├
.Special Special
buffers
│ │
│
│
├
.1
│ │
│
│
│
└
.Val
pH value for buffer 1
-19.999...7.000...19.999
│ │
│
│
├
.2
│ │
│
│
│
└
.Val
pH value for buffer 2
-19.999...4.000...19.999
│ │
│
│
├
.3
│ │
│
│
│
└
.Val
pH value for buffer 3
-19.999...7.000...19.999
│ │
│
│
└
up to 9
│ │
│
├
.Own
Definition of own buffers
│ │
│
│
├
.1
Buffer 1
│ │
│
│
│
├
.1
Temperature 1 = 0 °C
│ │
│
│
│
│
└
.Val pH value for buffer 1 at 0 °C
-19.999...19.999, OFF
│ │
│
│
│
└
up to 20 Temperature up to 95 °C in 5 °C steps
│ │
│
│
└
up to 5
Up to 5 own buffers
│ │
│
└
.Mixed
Definition of mixed buffers
│ │
│
├
.1
Buffer 1
│ │
│
│
└
.Select Selection of buffer 1 Met4, Met7, Met9, NIST1, NIST4,
NIST7,
│ │
│
│
NIST9, NIST13, DIN1, DIN3, DIN4, DIN7,
│ │
│
│
DIN9, DIN12, Fis2, Fis4, Fis7, Fis10,
│ │
│
│
FBS4, FBS7, FBS9, MT2, MT4, MT7, MT9,
│ │
│
│
MT11, Mer1, Mer2, Mer3, Mer4, Mer4.66,
│ │
│
│
Mer5, Mer6, Mer6.88, Mer7, Mer8, Mer9,
│ │
│
│
Mer9.22, Mer10, Mer11, Mer12, Mer13,
│ │
│
│
MerC4.01, MerC7.00, MerC9.00, MerC10.0,