Data Sheet for Product

Page 5 of 8
Siemens Industry, Inc.
Table 1. Flow Range for Orifice Airflow Sensor.
Flow Range for Sensor “A”
Inlet Size
Maximum flow @ 1.0” dp
Minimum flow @ 0.02” dp
Flow Sensor Inlet Area
Flow
Coefficient
CFM.
Lps
CFM
Lps
SQ.FT
M2
4
252
119
36
17
0.087
0.008
0.721
6
627
296
89
42
0.196
0.018
0.797
8
1049
495
148
70
0.349
0.032
0.750
10
1686
796
238
112
0.545
0.051
0.772
12
2394
1130
339
160
0.785
0.073
0.761
14
3254
1536
460
217
1.069
0.099
0.760
16
4429
2090
626
295
1.396
0.130
0.792
18
5591
2639
791
373
1.767
0.164
0.741
20
6981
3295
818
386
2.181
0.203
0.729
22
8447
3987
990
467
2.640
0.245
0.727
Table 2. Flow Range for Multi-Point Airflow Sensor.
Note: The multi-point flow sensor option is not available for size 4, 11, 18, 20, and 22 units.
Flow Range for Sensor “B”
Inlet Size
Maximum flow @ 1.0” dp
Minimum flow @ 0.02” dp
Flow Sensor Inlet Area
Flow
Coefficient
CFM.
Lps
CFM
Lps
SQ.FT
M2
6
468
221
66
31
0.196
0.018
0.596
8
923
436
126
59
0.349
0.032
0.660
10
1487
702
210
99
0.545
0.051
0.681
12
2141
1010
303
143
0.785
0.073
0.681
14
3045
1437
431
203
1.069
0.099
0.711
16
4074
1923
576
272
1.396
0.130
0.729