INF-TN1FSC-E 41
8.2 Selection of detector
(1) Selection of mounting methods
There are 2 methods for mounting the detector; V method and Z method. For the mounting
space, see the following sketch.
Length of frame of each sensor
Frame
Length of frame of each sensor
L L
L: Mounting dimension
<Small diameter sensor, small sensor or high-temperature sensor>
mounting dimension for
sensor displayed on the
SITE SETUP screen
D
D
<Large/Mediam sensor>
Detector
L
V method
Detector
L
Z method
V method Z method
Mounting method
Employ the Z method in the following cases.
• Mounting space need be saved (mounting space of the Z method is about one half of the V
method's).
• Turbid fl uid such as sewage is to be measured.
• Pipe has mortar lining.
• A thick fi lm of scale may have been formed on the inner surface of pipe because it is old.
• In sufi cient received signal-strength with mounting detectors in V method while using maxi-
mum transmission voltage.
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