Airflow Instruments ProHood PH731 - Performance Data

68 ProHood Capture Hoods PH730/PH731
Performance Data
Performance data obtained in HVAC test laboratory using two high-accuracy flow stations as flow
measurement standards. The flow stations were mounted in sealed ductwork upstream of the tested
Swirl Diffusers.
-20
-10
0
10
20
30
40
0 100 200 300 400 500 600 700
Measurement Error [% of Flow]
Flow [m
3
/hr]
PH731 Performance Data
(Swirl Diffuser on 200mm Dia. Duct)
PH731 with Swirl-X
PH731 (No Swirl-X)
PH731 Allowed Tolerance
-20
-10
0
10
20
30
40
0 200 400 600 800 1000 1200
Measurement Error [% of Flow]
Flow [m
3
/hr]
PH731 Performance Data
(Swirl Diffuser on 300mm Dia. Duct)
PH731 with Swirl-X
PH731 (no Swirl-X)
PH731 Allowed Tolerance