9
User’s Manual Dwg No 9R141-IR
5.
Engineering Units
The following Engineering Units are available on the M2110P:
1.
InH
2
O
– Inches of Water Column
(ref. temp. selections: 20°C, 4°C, 60°F)
2.
PSI
– Pounds per Square Inch
3.
Kg/cm
2
– Kilograms per Centimeter squared
4.
kPa
–
KiloPascals
5.
mBar
–
milliBar
6.
Bar
–
Bar
7.
cmH
2
O
– Centimeters of Water Column
(ref. temp. selections: 20°C, 4°C, 60°F)
8.
inHg
– Inches of Mercury Column
(ref. temp. 0°C)
9.
mmHg
– milliMeters of Mercury Column
(ref. temp. 0°C)
10.
User Units
– User Defined Units
STEP BY STEP: CHANGING ENGINEERING UNITS
Step Action
Display
1
Gauge should be in the normal
Measure Mode
. Normal
Pressure
Display.
Press the
ENG UNITS
(
Up
↑
) key.
2
If the lockout is active, the gauge will now prompt for entry of
the lockout code. Refer to “STEP BY STEP: ENTERING A
LOCKOUT CODE (When Prompted)” on page 22.
Current Engineering Unit
1
indicator flashes.
Press the
Up
↑
or
Down
↓
keys repeatedly to scroll
to the desired Engineering Unit.
3
The Zero function (
Up
↑
and
Down
↓
) will reset the scroll to the
first unit and allow selection to continue.
The current Engineering Unit indicator remains
solid since it is active, and the unit to be selected
flashes as the list is scrolled.
4
Press the
PRGM/Enter
→
key when the desired
unit is flashing.
The display switches to the new Engineering Unit
2
and returns to
Measure Mode
.
Notes
1.
When scrolling through Engineering Units,
User Units
are denoted by all units flashing.
2.
In
Measure Mode
,
User Units
are denoted by no Engineering Unit indicators shown on the bottom
of the display.
3.
Changing the Engineering Unit will automatically update the setpoint registers as appropriate (refer
to the Automatic Update section on page 19 for further explanation).
4.
At any time, the
Backspace
←
key will abort the process and return to
Measure Mode
.
5.
If there is no keypad activity for approximately 1 minute, the operation is aborted and the gauge
returns to
Measure Mode
unchanged.