PART THREE - OPERATION
SECTION 4 - CONFIGURING THE ANALYZER
Accu4™ Low-range Turbidimeter System
Rev. 2-300
40
Select
PULSE SUPPRESS
(on/off)
ENTER NOTE (top line
of MEASURE screen)
Sometimes an external interference may occasionally cause
the measurement system to provide unstable readings.
Common causes include entrained gas bubbles in the sam-
ple, and electromagnetic interference (EMI or “electrical
noise” pulses). The analyzer has a pulse suppression fea-
ture to counteract this condition and stabilize readings.
Example: Suppose the analyzer reading is steadily showing
0.284 NTU, then suddenly jumps to 0.396 NTU for a few
seconds, and returns to 0.284 NTU. By turning on this fea-
ture, the analyzer will perceive this as a temporary upset,
“suppressing” most of this pulse change and providing a
smoother measurement reading.
1.
With the
screen displayed, use
Ø
Ø
key
to select the “PULSE SUPPRESS” line.
2.
Press
ENTER key
to display a screen like
. Use
Ø
Ø
and
×
×
keys
to view both
choices (OFF or ON).
3.
With the desired choice displayed, press
ENTER key
to
enter this selection.
The MEASURE screen top line is factory set to read “ACCU4.”
This notation can be changed, for example, to “BASIN 1” to
tailor the MEASURE screen to the application. The notation is
limited to eight characters which can be a combination of
capital letters A through Z, numbers 0 through 9, and spaces.
1.
With the
screen displayed, use
Ø
Ø
key
to select the “ENTER NOTE” line.
2.
Press
ENTER key
to display
. Create
the desired notation within second line’s parenthesis:
A.
Starting with extreme left character position, use
×
×
and
Ø
Ø
keys
to select the desired first character.
B.
Press
Ö
Ö
key
once to select the next character, and
use
×
×
and
Ø
Ø
keys
to select desired character.
C. Repeat procedure until desired notation is displayed.
3.
Press
ENTER key
to enter the displayed notation.
