Burkert Type 8175 - Manual (Page 78)

10
8175
ENGLISH
INSTALLATION
3.1 GENERAL INSTALLATION GUIDELINES
Prior to the installation of the 8175 ultrasonic level transmitter, a clear mounting location for
the product must be determined.
- The level transmitter or sensor 8175 / 8170 are designed for liquid
level measurement. It is the user‘s responsability to test the
functionality of the device for any other material such as powders,
granulas etc.
- The 8175 ultrasonic level transmitter or sensor must be installed
perpendicular to the process medium.
- Always protect the transmitter from the rain, ultraviolet radiations
and electromagnetic perturbations.
Tanks with bulged or cone-shaped roofs
Mounting on a shaft
Beam cone
min. 30 cm
H
≅ R/2
D
R
D (m) R (cm)
1 30
2 60
3 80
4 100
5 110
6 120
7 130
8 135
9 140
10
140
8
Do not install the transmitter at the center of a
bulged or cone-shaped roof but at half-radius
from the center.
H: see table hereafter.
For the mounting on a shaft:
- respect the max. shaft length:
- burr the inside of the shaft.
The ultrasonic pulses are emitted from the
base of the transmitter with an 8° beam angle.
Suppress all the obstacles inside the beam
cone to avoid false echos.
D H
D H
D [mm] 65 80 100
H [mm] 100 250 400