Dwyer DM-1100 User Manual
Page 4
MAIN MENU PROGRAMMING INSTRUCTIONS
(Upper Right Display Reads MENU)
Security Menu: SECr-MENU
Lock out access to all menus or lock out access to all menus except Auto-Zero
function (Auto-ZERO).
Operation Menu: OPEr-MENU
Select the measurement type – pressure, velocity or flow and corresponding
engineering units (Velocity and flow are not available for Model DM-1100).
Display Menu: diS-MENU
Monitor and adjust display related settings: Filter type, filter point, dampening,
display update, peak and valley.
Advanced Menu: AdU-MENU
Perform auto-zero or full-scale calibration.
SECURITY MENU: SECR-MENU
With the gage reading pressure (home position), press and hold the MENU key
until the Security MENU is displayed. Press the E key to show the security SUB
MENU SECr–0001. When the security SUB MENU is selected, the present
security level is displayed in the upper right hand display. To change the security
level, adjust the number displayed to the number shown in the following table for
the desired security level.
The password values shown in the table cannot be altered, so retain a copy of
these pages for future reference.
OPERATION MENU: OPER-MENU
With the gage reading a numerical value (home position), press and hold the
MENU key until the Security MENU is displayed. Press the q key to show the
OPEr-MENU. Press the E key to show the Operation SUB MENUS.
The Operation SUB MENUS for Series DM-1100 is PrES–INWC (Pressure–Unit)
PRESSURE SUB MENU: PRES – INWC
PrES – INWC: Pressure – inches of water column
With the LCD reading PrES – INWC, press the E key; the display will blink. Press
the q key to change the pressure unit then press the E key to save the desired
unit.
For pressure measurement, the following units are available:
INWC – Inches of water column
MBAR – Millibar
PSI – Pounds per square inch
INHG – Inches of mercury
KPA – Kilopascals
MMHG – Millimeters of mercury
PA – Pascals
FS – % of full scale
MMWC – Millimeters of water column
Security Level
Displayed
1
2
3
Access
All menus access
All menus locked except
the auto-zero function
All menus locked
Password Value
to Enter
10
90
111
TABLE 1 PRESSURE RANGE VS. AVAILABLE UNITS
NOTE: OFL (over flow) or UFL (under flow) will appear when the low and high
range levels have been exceeded by 10% F.S.
in w.c.
0.250
0.500
1.000
2.000
5.000
10.00
15.00
25.00
50.00
100.0
psi
–
–
–
–
0.181
0.361
0.543
0.903
1.806
3.613
kPa
0.062
0.124
0.249
0.498
1.245
2.491
3.738
6.227
12.45
24.91
Pa
62.20
124.5
249.1
498.2
1245
2491
3738
6227
–
–
mbar
0.622
1.245
2.492
4.982
12.45
24.91
37.38
62.27
124.5
249.1
mm w.c.
6.35
12.70
25.40
50.80
127.0
254.0
381.0
635.0
1270
2540
in Hg
–
–
–
–
0.368
0.736
1.104
1.839
3.678
7.355
mm Hg
0.467
0.934
1.868
3.736
9.34
18.68
28.02
46.71
93.42
186.8
% of
FS
100.0
100.0
100.0
100.0
100.0
100.0
100.0
100.0
100.0
100.0
Resolution
(in w.c.)
0.001
0.001
0.001
0.001
0.002
0.010
0.010
0.010
0.020
0.100