HAF Datasheet, PDF (4/6 Pages) Honeywell Solid State Electronics Center – HONEYWELL ZEPHYR DIGITAL AIRFLOW SENSORS: HAF SERIES-HIGH ACCURACY

™
Figure 2. Nominal Digital Output
Figure 3. Accuracy Error Band
Ideal Transfer Function
Digital Output Code = 16383 * [0.5 + 0.4 * (Flow Applied/Full
Scale Flow)]
Flow Applied = Full Scale Flow * [(Digital Output Code/16383)
- 0.5]/0.4
Figure 4. Total Error Band
Figure 5. Long Port Style Flow vs Pressure
Figure 6. Short Port Style Flow vs Pressure
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Flow
(SCCM)
-200
-150
-100
-50
0
50
100
150
200
Flow
(SCCM)
-200
-150
-100
-50
0
50
100
150
200
Pressure Drop
(inches H₂O)
-0.019
-0.013
-0.007
-0.001
0.000
0.005
0.010
0.016
0.022
Pressure Drop
(inches H₂O)
-0.470
-0.284
-0.143
-0.045
0.000
0.048
0.139
0.287
0.452