IFM Electronic LR2750 - 7�1�1 Minimum Distances and Connection Piece Diameter

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7.1.1 Minimum distances and connection piece diameter
► Select a connection piece height that is smaller than the connection piece
diameter�For applications in hygienic areas: (→ 7.4.3) (→ 7.4.4)�
Fig. 7-1 Fig. 7-2
Without adjustment
A1
B
A2A3
D
Installation distances with adjustment
(→ 7.1.7)
Installation distances without adjustment
A1: 10 mm A1: 10 mm
A2: 20 mm A2: 50 mm
A3: 20 mm to structures in the tank (B)
50 mm to other sensors type LR
A3: 50 mm to structures in the tank (B)
50 mm to other sensors type LR
D:
min� ø 30 mm if installed in a
connection piece
D: No connection piece allowed
according to fig� 7-2
7.1.2 Installation in bypass pipes / still pipes (e.g. for secondary processes)
► Only install the unit in metal pipes�
► The internal pipe diameter (d) must at least have the following value:
With adjustment(→ 7.1.7) Without adjustment
d
ø 30 mm
ø 100 mm with [MEdI] = [HIGH]
ø 250 mm with [MEdI] = [MId] (→ 11.6.2)
► If possible, mount the unit off-centre (eccentrically)�
Depending on the operating conditions (flow) and mechanical design of the
pipe the use of centring pieces is recommended (→ Accessories).