PPC4™ OPERATION AND MAINTENANCE MANUAL
© 2009 DH Instruments, a Fluke Company
Page 36
furthest digit to the right. For example, resolution of 0.001 % on a range of 150 kPa is
150 X 0.001 % = 0.0015 which is rounded down to 0.001 kPa.
Note
•
Default resolution is 10 ppm of active range span. Resolution is set
automatically by AutoRange (see Section 3.2.8).
•
The resolution setting is range specific. A resolution setting made in
one range does NOT affect other ranges.
•
The measured pressure resolution is fixed for altitude units at 1 m in
meters and 1 ft in feet.
•
The maximum resolution setting is limited in AutoRange ranges that
are less than 10% of the Q-RPT default full scale.
•
The maximum resolution setting when using a utility sensor is 0.001%
of utility sensor span.
OPERATION
For Basic Interface, see Section 4.4.2.
For Advanced Interface, see Section 5.7.6.4.
3.2.20 Jog
PURPOSE
Adjust the nominal change in pressure caused by using the jog direct pressure control keys
(
and
for Advanced Interface,
and
for Basic Interface).
PRINCIPLE
The jog direct pressure control keys,
and
, increase or decrease pressure by a
nominal amount each time they are pressed. If pressure control is NOT active, pressing the
jog key causes an up or down slow pressure ramp. If pressure control is active, the jog key
causes the pressure control target value to be changed by the amount of the jog step.
Note
•
The default jog step is 100 ppm of active range span. The maximum
jog step is 5 % of active range span. Jog step value is set automatically
by AutoRange (See Section 3.2.8).
•
The jog step setting is range specific. A jog step setting made in one
range does NOT affect other ranges.
OPERATION
For Basic Interface, see Section 4.4.3.
For Advanced Interface, see Section 5.7.8.2.1.
3.2.21 Pressure Limits
PURPOSE
To set the upper and lower limit pressure value for a pressure range and measurement mode.
PRINCIPLE
The Upper Limit function allows the setting of a maximum pressure not to be exceeded when
using a specific range and measurement mode. Absolute and gauge measurement modes
Summary of Contents for PPC4
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