7
To change the flow rate units, the push button marked with the arrow pointing upwards,
must be pushed. To change the totalized volume units, the push button marked with the
arrow pointing left must be pushed.
The possible flow rate and totalized volume units are the following:
Flow rate:
There are 9 combinations made from 3 volume units and 3 time units.
Volume /
time
l (litres)
/
s (second)
m
3
(cubic meters)
/
m (minute)
ga (US gallons)
/
h (hour)
Totalized volume:
There are 3 possible volume units, l (litres), m3 (cubic meters), ga (gallons)
Note: 1ga = 3.785 litres.
With the working units chosen, by pressing the two push buttons PROG, we go to the loop
current programming.
4.1.3 Current
loop
In the first screen we program the flow rate equivalent to 4 mA (lower range).
The measuring units will be the ones chosen in the previous screen. The push buttons have
the same function as the pulses per litre programming.
4.1.2 Measuring
units
In this screen the measuring units can be programmed.
Содержание CP CH420 Series
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