Manual

Installation and wiring

Type 8011

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.

→ On an horizontal pipe, mount the device in such a way that the

paddle-wheel is downwards (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).

Fig. 5: Paddle-wheel downwards on an horizontal pipe

Correct

Incorrect

Fluid circulation

direction

Fig. 6: Air bubbles within the pipe

Correct

Incorrect

English