TESTO 6681 Profibus Instruction Manual page 24

testo 6681 Profibus
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1.3.2.2 Duct mounting (for testo 6612 probes)
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1 Hold wall/duct bracket (order no. 0554 6651) (6) against duct wall (8) and
mark drill holes for wall/duct bracket and probe shaft.
2 Drill a hole ( 12,5 mm) in the duct wall to feed through the probe shaft.
3 Fasten wall/duct bracket (6) to duct wall with screws (5).
4 Push probe shaft (9) with filter (10) through the middle hole of the
mounting bracket.
5 Fix the correct position of the probe shaft (9) with screw (11) and mark
(insert probe shaft as far as possible).
- 1.3 Commissioning
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2 3 4
The wall/duct bracket (6) has an O-ring (7) to seal it against
the duct. Feed the probe shaft (9) carefully through the
wall/duct bracket so that the O-ring is not damaged.
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6 7
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9
10
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