7
Airflow-IQ Start-up & Commissioning Guide
3D
1.5D
0.75D 0.75D
0.75D
1.5D
1.5D
0.5D
≤15˚
≤15˚
≤15˚
≤15˚
0.5D
0.5D
1.5D
1D
2D
1D
UNVANED ELBOWS
DUCT AND PLENUM THERMAL DISPERSION PLACEMENT GUIDE
SWEEP ELBOW
VANED ELBOWS
TRANSITIONS
FAN PLENUM SUPPLY
CENTRIFUGAL FAN DISCHARGE
RETURN FAN PLENUM
VANE AXIAL INTAKE
3D
1.5D
0.5D
1D
1.5D
0.5D
RETURN ‘T’ FITTING
SUPPLY ‘T’ FITTING
TDP05K ADVANCED THERMAL DISPERSION AIRFLOW
& TEMPERATURE MEASURING PROBE
PLACEMENT GUIDE
© Ruskin July 2017
NOTES:
Sensor uncertainty is +/-2% and does not include sampling uncertainty. The recommended number of probes and sensors, as shown in our installation manual, represent the minimum number of sensing
points that can be used for an installed accuracy of +/-3%, when locations meet suggested guidelines. Velocity sampling uncertainty can be reduced by adding more sensors, and when necessary more
probes, to help compensate for locations that do not have sufficient spacing between upstream and downstream obstructions.
D = Basic Equivalent Duct Diameter (Width + Height)
2
Minimum Mounting Distances
Figure 2 represents applications for which the TDP05K AirflowMeasuring System is most suitable . If your particular
application is not shown or if you do not have the space to observe the minimum distance, more probes and/or
sensing points are recommended; contact your local Ruskin representative for the best solution . The locations
shown on these details represent the minimum clearance from most obstruction that create an airflow disturbance .
Figure 2a: Minimum Mounting Distances
IMPORTANT:
The probe enclosure cover is secured with three captive thumb screws . Take care when mount-
ing the probes to ensure there is adequate clearance to open the cover and make electrical connections .
