TESTO 0699 6446 Series, Instruction Manual

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5 Installation
24
5.3.3 Direction of flow
The direction of flow must be taken into account when installing the measur-
ing block This is shown on the measuring block by means of an arrow. The
arrow points in the direction in which the medium in the pipeline flows.
0699 6446 0699 6447
The electronic sensor assembly can only be mounted on the PBCOmpac
®
connection (0699 6446) or the interchangeable fitting (0699 6447) in one di-
rection. The head (display) of the electronic sensor assembly points in the
flow direction.
5.4 Installation of the electronic sensor
assembly in the measuring block
(version 0699 6446)
If the optional sealing cap (

Section 3.3.1) is mounted, the first thing to do
is ensure that the pipeline is depressurized. Never remove the sealing cap
from a pipeline which has not been depressurized, as this is extremely dan-
gerous.
Remove protection cap