Owner manual

Installation and wiring

Type 8012

→ Install the device on the pipe in such a way that the upstream

and downstream distances are respected according to the

design of the pipes, as per Fig. 4 and the EN ISO 5167-1

standard.

With regulating valve

Pipe with 2 elbows at 90°

in 3 dimensions

Pipe with 2 elbows

at 90°

Pipe with 1 elbow at 90°

or 1 T-piece

With pipe expansion With pipe reduction

50 x DN

5 x DN

40 x DN

5 x DN

25 x DN

5 x DN

20 x DN

5 x DN

18 x DN

5 x DN

15 x DN

5 x DN

Fig. 4 : Upstream and downstream distances depending on the

design of the pipes.

→ If necessary, use a flow conditioner to improve measurement

precision.

→ Install the device in such a way that the paddle-wheel axis is

horizontal (Fig. 5).

→ Prevent the formation of air bubbles in the pipe in the section

around the device (Fig. 6).

→ Ensure that the pipe is always filled in the section around the

device (Fig. 7).

Correct

Incorrect

Fig. 5 : The paddle-wheel axis must be horizontal

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