BK2800 Flow Monitor
Model 2800
Programming & Installation Manual
9
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Additional Scaling Parameters
Note
The programming instructions below are only
available when purchasing a loop powered unit. Battery pow-
ered units will not see these programming choices.
BK2800 Simplified 4-20mA Programming Instructions
FLOW 4mA SETTING
– When the loop powered option is
ordered, the flow rate that corresponds to 4mA must be set.
Zero is default flow rate for this setting. If the current selection
is correct, press the
ENTER
key once to advance to the
next parameter. If adjustment is required use the
RIGHT
arrow
key to select the position of the number you wish to
change, then, use the
UP
arrow key to increment the number.
Once you have completed this step, press the
ENTER
key to
advance to the next parameter.
FLOW 20mA SETTING
– The flow rate that corresponds to
20mA must be set next. The turbine meter’s maximum flow
rate is the default value. If the current selection is correct,
press the
ENTER
key once to advance to the next parameter.
If adjustment is required use the
RIGHT
arrow key to select
the position of the number you wish to change, then, use the
UP
arrow key to increment the number. Once you have completed
this step, press the
ENTER
key to advance to the next
parameter.
4-20mA CALIBRATION
– When ordered with a 4-20mA
option this menu item allows the fine adjustment of the 4-
20mA output. The 4mA setting is typically between 35 and
50. To set the 4mA value, connect an ammeter in series with
the loop power supply. At the
4mA OUT
prompt, adjust the
4mA value to obtain a 4mA reading on the ammeter. The
UP
arrow key increments the value and the
RIGHT
arrow key
decrements the value. When a steady 4mA reading is obtained
on the ammeter, press the
ENTER
key to lock in this value and
move to the 20mA adjustment. The 20mA adjustment is performed using
the same procedure as the 4mA adjustment. 4-20mA TEST – The monitor
contains a diagnostic routine that allows the simulation of mA values
between 4 and 20 to check output tracking. At the 4-20TEST prompt the
arrow keys change the simulated mA output in increments of 1mA. The
ammeter should track the simulated mA output. If a 4- 20mA test in not
necessary, pressing the ENTER key once will escape the testing at any
time.
Note
If your BK2800 flow monitor was ordered with a
Kimray Turbine flow meter, the 4-20mA was programmed
and factory calibrated.
Typical Ammeter Connection