Re-Programming Ph Measurement; Other Options - HACH LANGE sensION+ PH31 Manuel D'utilisateur

4. Operation

4.8. Re-programming pH measurement

Resolution
Measuring mode
View mV
Limits
pH isopotencial
"Re-programming" flow chart
10-04-2010 17:15
pH MEASURE
New calibration
in 1 day
...by stability
...
Start Measurement
Start measurement
Start of
measurement with
new programming.
sensION+ PH31 HACH_LANGE 0710.indd ANG:11 sensION+ PH31 HACH_LANGE 0710.indd ANG:11
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Default programming (standard)
• 0.01 pH
• By stability.
- Standard criterion (variation < 0.01 pH in 6 s).
• In continuous.
- The result is stored when the measurement
has finished.
- The result is printed when the measurement
has finished.
• No
• No
• pHiso 7.00
Measurement condit.
Measurement condit.
Resolution: 0.01 Resolution pH:
Meas.: By stability 0.1
Display mV: No 0.01
Limits: No
0.001
Isopotential: pH 7
Measurement condit. Measurement condit.
Resolution: 0.01 Meas.:
Meas.: By stability By stability
Display mV: No In Continuous
Limits: No By time
Isopotential: pH 7
Measurement condit.
Meas.:
By stability
In Continuous
By time
Measurement condit.
Meas.:
By stability
In Continuous
By time
Measurement condit. Measurement condit.
Resolution: 0.01 Display mV:
Meas.: By stability Yes
Display mV: No No
Limits: No
Isopotential: pH 7
Measurement condit. Measurement condit.
Resolution: 0.01 Limits:
Meas.: By stability
Display mV: No Yes
Limits: No No
Isopotential: pH 7
Measurement condit. Measurement condit.
Resolution: 0.01 Isopotencial:
Meas.: By stability pH 7
Display mV: No Data introduction
Limits: No Calculate
Isopotential: pH 7
etc.

Other options

• 0.1 pH • 0.01 pH
• By stability.
- Rapid criterion (variation < 0.02 pH in 6 s).
- Standard criterion (variation < 0.01 pH in 6 s).
- Strict criterion (variation < 0.002 pH in 6 s).
• In continuous. Selection of the time interval for:
- Data storage.
- Data printing.
• By time. Selection of the time interval for:
- Data storage.
- Data printing.
• Simultaneous display of pH and mV concerned.
• Higher and lower limits. Acoustic warning when the measure-
ment is out of limits, in the printed ticket appears "A" beside
the measured value.
pHiso 7.00 / Manual introduction / Value calculation.
Important note:
Once the measurement has been re-programmed, it will be performed in
accordance with the new parameters.
It is highly recommended to apply the same stability criteria to measure and
calibrate.
Measurement condit. Measurement condit.
By Stability By Stability
Criteria Criteria
Rapid
Standard
Strict
Measurement condit. Measurement condit.
In Continuous In Continuous
Acquis. Interval Acquis. Interval
01:00
Measurement condit. Measurement condit.
By time By time
Measurement time Acquis. Interval
00:01:00
Measurement condit. Measurement condit.
Limits Lower= pH 6.05
Upper limit?
Upper: pH 8.20
Lower: pH 6.05
Exit
See Electrode isopotential on page 18.
• 0.001 pH
Rapid
Standard
Strict
Data storage in
01:30
the Data Logger. It
coincides with the
printing and PC
sending. Selecting
0 store/print at
the end of the
01:30
measurement.
pH 8.20
11
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