Operation; Description; Setting Up - HACH LANGE si628 C Manuel D'utilisateur

4. Operation

4.1. Description

Display
si628 C have an alphanumeric display that explains itself. One of the most significant screens is des-
cribed below as an example:
Measured value.
Measuring units.
Keys
ENTER.
• Horizontal movements to move forward in the "diagram".
• Acceptance of numerical values.
ESCAPE.
• Horizontal movements to move back in the "diagram".
• Vertical movements to move back in the "diagram".
• To erase numerical values.
• Modification of numerical values.
• Cursor ">" movements on the screen.

4.2. Setting up

Connect the si628 C to mains. At power up the first time only the following screens will appear:
si628_C
V1.0
LANGUAGE >Español
Italiano
The instrument is already measuring conductivity,
with the following configuration:
• Temperature coefficient, CT, fixed at 2% / °C.
• Cell constant C=1 cm
• Reference temperature, RT, fixed at 25°C.
• Limit relay is activated at 1000 µS/cm, and
desactivated at 800 µS/cm.
14
si628 C_HACH LANGE_Ed. 0510.indd ANG:14 si628 C_HACH LANGE_Ed. 0510.indd ANG:14
MEASURING 23.2 °C
538 µS/cm @25 °C
Possibility to select other
language with keys.
Français
English
MEASURE S/cm
Deutsch
Português
.
-1
Sample temperature
Resolution:
1 °C manual selection.
0.1 °C measuring with Pt 1000
Reference temperature
MEASURING
545 µS/cm
• Alarm relay is activated after 1minute with the
reading out of limit.
• Output current 4 mA = 200 µS/cm, 20 mA =
2000 µS/cm.
To modify the default configuration (except from
the temperature Coefficient and the reference tem-
perature) see page 16.
22.3°C
@ 25°
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