Xylem SI Analytics HandyLab 100, Руководство по эксплуатации

Страница: 28 / 60

Operation HandyLab 100
28 ba77062d02 12/2017
stable within the monitored time interval.
The minimum duration until a measured value is assessed as stable is
the monitored time interval. The actual duration is mostly longer.
4.4.4 Settings for pH and ORP measurements
Overview The following settings are possible for pH and ORP measurements:

Resolution

Calibration interval

Buffers for calibration

Unit of the temperature

Automatic stability control

Unit for slope

Calibration record (display)
Settings The settings are made in the menu for calibration and measurement
settings of the pH/ORP measurement. To open the settings, display the
required parameter in the measured value display and press the
<F1> /
[menu] or <ENTER> key. After completing the settings, switch to the
measured value display with <M> .
Measured
parameter Time interval Stability during the time
interval
ORP 15 seconds
Δ
: better than 0.3 mV
Temperature 15 seconds
Δ
: better than 0.5 °C
Menu item Possible
setting Explanation
Calibration / Calibra-
tion record
- Displays the calibration
record of the last calibra-
tion.
Calibration / Buffer TEC
NIST/DIN
VariCal
...
Buffer sets to be used for
pH calibration.
More buffers and details,
see section 4.4.5.
Calibration / Calibra-
tion data storage
- Displays the last calibra-
tion records.