3: Operating Procedures
27
Note: This does not apply if the
PULSE OUTPUT
menu is accessed by pressing the
Pulse
key when operating in
the
FLOW READING
mode.
Calibrating the pulse output signal range (volumetric mode)
Note: The pulse
Output
must be
Off
in order to change the
Volume per pulse
setting.
4.
Select a Pulse width (in ms) to suit the particular application – e.g. electro-mechanical counter. Refer to the
manufacturer’s data sheet for the minimum pulse width.
5.
Select
Exit
and press the
ENTER
key to return to the
FLOW READING
screen.
Selecting the pulse output frequency mode
1.
With the instrument operating in the
FLOW
READING
mode, press the
Pulse
function key to
access the
PULSE OUTPUT
screen.
2.
To change the
Flow units
shown in this menu
you must return to the
FLOW READING
screen
and select the required units using keys 7,8 and
9.
PULSE OUTPUT
DD-MM-YY HH:MM:SS
Pulse output is ON
Qxx.xx%
Flow units : gal
Output : On
Vol per pulse : 10.00
Pulse width (ms) : 10
Max Pulse Freq (Hz) : 10.00
Flow at Max Freq : 200.00
3.
Select
Vol per pulse
and enter the required
value.
In the example shown, a 10 ms pulse is
produced for every 10 gallons of flow.
Calculated Pulse Value: 20.0
Exit
1.
With the instrument operating in the
FLOW
READING
mode, press the
Pulse
function key to
access the
PULSE OUTPUT
screen.
2.
To change the pulse output to ‘frequency’ mode,
select the
Output
menu option then select
Frequency
as required.
3.
A1 Pulse Frequency is ON
message
appears in the second line of the display.
4.
Select
Exit
and press the
ENTER
key to return
to the
FLOW READING
screen.
PULSE OUTPUT
DD-MM-YY HH:MM:SS
A1 Pulse Frequency is ON
Qxx.xx%
Flow units : gal
Output : Frequency
Vol per pulse : 10.00
Pulse width (ms) : 10
Max Pulse Freq (Hz) : 10.00
Flow at Max Freq : 200.00
Calculated Pulse Value: 20.0
Exit
Содержание PUB Series
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