KMC Controls BAC-5901C-AFMS Installation Manual page 7

2. Cut a 7/8" hole in the duct to accept the pickup tubes.
3. Attach the pickup tubes to the duct using two self-tapping screws inserted through the 3/16" mounting
holes.
4. Repeat steps 1 to 3 to mount the remaining pickup tubes.
TrueFit Airflow Measurement System Installation Guide
3-1/2" (89 mm)
2-3/4" (70 mm)
7/16" (11 mm)
Mounting Holes, 3/16" (5 mm)
1/4" nipple
(SSS-100x)
for 3/8" OD
1-3/8" (35 mm)
polyethylene
tubing or
3/16" nipple
(SSS-101x) for
1/4" OD tubing
Drill two holes for self-tapping screws inserted through
the pickup tubes' 3/16" (5 mm) mounting holes.
1-1/2" (38 mm)
for SSS-101x
or
1-1/4" (32 mm)
for SSS-100x
3-5/32" (80 mm) for SSS-10x2
5-13/32" (137 mm) for SSS-10x3
7-21/32" (195 mm) for SSS-10x4
9-29/32" (252 mm) for SSS-10x5
1
-3/8" (35 mm)
Cut 7/8"
(22 mm)
1/4" (6 mm)
thick foam gasket
diameter
7 925-019-05C