Labconco Logic+ A2 Technical Manual page 82

15. Average all the readings. Apply the wind tunnel correction and local condition
corrections factors to the average velocity reading.
16. Multiply the average inflow velocity by the column "Correction Factor" based on
Type and model in Table 10-8.
Type Sash
Height
A2 & B2
Cabinet
Width
inches
8
3-foot 9
10
8
9
4-foot
10
12
8
9
5-foot
10
12
8
9
6-foot
10
12
Sash
Type C1
Height
Cabinet
Width
inches
8
4-foot
10
8
6-foot
10
Sash
Probe
Stop
Distance
Template
inches
(mm)
3+ 4 (102)
3+ 4 (102)
3+ 4 (102)
4+ 3.25 (83)
4+ 3.25 (83)
4+ 3.25 (83)
4+ 3.25 (83)
5+ 3.25 (83)
5+ 3.25 (83)
5+ 3.25 (83)
5+ 3.25 (83)
6+ 4 (102)
6+ 4 (102)
6+ 4 (102)
6+ 4 (102)
Sash
Probe
Stop
Distance
Template
inches
(mm)
4+ 3.25 (83)
4+ 3.25 (83)
6+ 4 (102)
6+ 4 (102)
# of Test Correction
Points Factor
6 0.95
6
6 0.95
8
8
8
8 1.08
10
10
10
10
12 1.83
12 1.83
12 1.83
12 2.0
# of Test Correction
Points Factor
8 1.08
8 1.08
12
12
82
Table 10-8
Corrected Inflow
Volume Range
CFM
203-223
1 228-251
253-278
1 269-296
1 303-333
1 337-371
404-444
1 336-370
1 378-416
1 420-462
1 505-555
403-443
453-498
503-553
606-666
Corrected Inflow
Volume Range
CFM
269-296
337-371
2 403-443
2 503-553
3
m /hr
345-379
387-426
430-472
457-503
515-566
573-630
686-754
571-629
642-707
714-785
858-943
685-753
770-846
855-940
1030-1132
inches
457-503
573-630
685-753
855-940