Dwyer DHII - Manual (Page 13)

12
PrES (Pressure) SUB MENU
For pressure measurement, the following units are available:
Table 1 Pressure Range vs. Available Units
INWC
.1000
.2500
.5000
1.000
2.500
5.000
10.00
25.00
50.00
100.0 FTWC
.2083
.4167
.8333
2.083
4.167
8.333
MMWC
2.540
6.350
12.70
25.40
63.50
127.0
254.0
635.0
1270
2540 CMWC
.2540
.6350
1.270
2.540
6.350
12.70
25.40
63.50
127.0
254.0 PSI
.1806
.3613
.9032
1.806
3.613
INHG
.1839
.3678
.7356
1.839
3.678
7.356
MMHG
.1868
.4671
.9342
1.868
4.671
9.342
18.68
46.71
93.42
186.8 MBAR
.2491
.6227
1.245
2.491
6.227
12.45
24.91
62.27
124.5
249.1 PA
24.91
62.27
124.5
249.1
622.7
1245
2491
6227 KPA
.1245
.2491
.6227
1.245
2.491
6.227
12.45
24.91
HPA
.2491
.6227
1.245
2.491
6.227
12.45
24.91
62.27
124.5
249.1 OZIN
.1445
.2890
.5780
1.445
2.890
5.780
14.45
28.90
57.80
UEL (Velocity) SUB MENU
For velocity measurement, the following units are available:
SFPM - Standard feet per minute
M/S - Meters per second
Table 2 Available Velocity Ranges
Note: Air velocity and flow readings are based upon standard dry air conditions with an ambient
temperature of 70°F and a barometric pressure of 29.92 INHG.
INPUT RANGE INWC
0 - 0.1
0 - 0.25
0 - 0.5
0 - 1
0 - 2.5
0 - 5
0 - 10
0 - 25 SFPM RANGE
0 - 1266
0 - 2002
0 - 2832
0 - 4004
0 - 6332
0 - 8954
0 - 12.66 x IK
0 - 20.02 x IK M/S RANGE
0 - 6.431
0 - 10.17
0 - 14.39
0 - 20.35
0 - 32.17
0 - 45.48
0 - 64.33
0 - 101.7
INWC - Inches of water column
FTWC - Feet of water column
MMWC - Millimeters of water column
CMWC - Centimeters of water column
PSI - Pounds per square inch
INHG - Inches of mercury MMHG - Millimeters of mercury
MBAR - Millibar
PA - Pascal
KPA - Kilopascals
HPA - Hectopascals
OZIN - Ounce inches
Note: OVFL(over flow) or UnFL(under flow) will appear when the ranges have been exceeded above
or below full scale by 2%.