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Technical information

ManualsBrandsADC ManualsDryerML-190
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UFFICIO TECNICO
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MANUALI
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ML2
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ML200 INGLESE
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48
(POS. 22) Automatic scale change enable [AUTORANGE= ON/OFF]
Enables/disables the automatic change of scale. The meter may have two different working ranges in order to suit to
the variable process conditions. In order to get the best results out of this function it is important range N.2 is bigger
than N.1. When the flow rate increases and reaches the 100% of the full scale 1, then the meter automatically
switches to scale N.2. When the flow rate decreases again reaching a value on scale 2 equal to the 90% of full scale
N.1, then the active scale is N.1 again.
Allowed values for this parameter: ON / OFF.
N.B.: the autorange doesn’t allow to use the manual change of range (see pos. 36)
(POS. 23) Energy saving enable [E.SAVING= ON/OFF]
Automatic energy saving function enable. This function is used when the instrument is powered by a battery or solar
cells, allowing an energy saving up the 60-80. The energy consumption is controlled by the ratio between the
measuring cycles powering the coils and the cycles without powering the coils. When the flow rate is stable the
number of “off” cycles is higher than the “on” ones, so that the average consumption is strongly reduced. If the flow
rate suddenly changes, then the meter switches on a higher number of measuring cycles, in order to get a higher
response time, switching off the cycles as soon as the flow rate gets back to be stable. If the flow rate varies below of
“acceleration threshold” percentage value, then the meter goes on with “off” cycles, but as soon as the flow rate
value exceeds such a threshold, the meter switches on many measuring cycles again. The speed the meter switches
on and off the excitation cycles is different: from a constant flow rate to a variable one it is a very fast process, while
from variable flow rate to a stable one such a process is much slower.
Allowed values for this parameter: ON/OFF
N.B.: to optimize this function it is raccomended choose a value for the acceleration threshold within 10÷15