25
Establishing measuring range
– continued –
Commissioning
– continued –
Press button briefly.
Raise liquid level until the upper
limit of the desired measuring
range
A
is reached.
Press button briefly.
Wait for 30 seconds before continuing the
procedure.
To compensate for short-term fluctuations
of the liquid level a filter is integrated in
the preamplifier of the electrode.
If you confirm the setting too early not the
exact 100 % value will be saved.
Press button twice briefly.
The upper limit of the desired
measuring range is now saved.
The NRS 240 is back in operating
mode.
Press button briefly.
The lower limit of the measuring
range is now saved.
1
2
3
4
Test
P
1
2
3
E
4
GESTRA
NRS 2-40
MAX
MIN
1
2
3
4
Test
P
1
2
3
E
4
GESTRA
NRS 2-40
MAX
MIN
1
2
3
4
Test
P
1
2
3
E
4
GESTRA
NRS 2-40
MAX
MIN
1
2
3
4
Test
P
1
2
3
E
4
GESTRA
NRS 2-40
MAX
MIN
Press button briefly.
Note:
In the event of a system malfunction,
the LED(s) “Bus status” and/or “Power”
will be flashing
rapidly
when in
program mode. Quit program mode
and analyse the system malfunction
(see pages 36 – 42).
1
2
3
4
Test
P
1
2
3
E
4
GESTRA
NRS 2-40
MAX
MIN