HTM-20N Series
HITROL CO., LTD.
7
The HTM-20N Series is installed on the top or the side of a container and silo to detect the
upper or the lower limit, respectively. The level switch can be installed on any material, so it
is applicable to ferrous or nonferrous tanks and silos.
When installing this product, considering the following:
Installation on Side (Horizontal)
■
A-Type or B-Type can be installed on the side of a tank. A screw-socket shape under
24mm shall be used for installing the A-Type on the side. Otherwise, dust or foreign
matter may enter, resulting in a malfunction. The extended B-Type supports the screw
and the flange.
■
When side installation, it shall be installed slopingly (more than 15°) with a direction of
wider side of tuning fork vertically to avoid build-up of the medium on the tuning fork.
(Refer to Fig. 1)
■
Sensor shall be installed at the place far from inlet of the tank and protector shall be
installed in order to protect the sensor from damage by falling medium if it is installed
at the inlet. (Refer to Fig. 1)
■
Cable lead-in inlet shall be installed facing the ground as shown in the figure. (Refer to Fig. 1)
■
Sun cover shall be installed to protect the housing from the damage by direct sunlight. (Refer to Fig. 1)
When installing the product, install it using a tool that fits the hexagon connector of
the screw.
Max. Length shall be 500mm or less for a side installation.
Installation on Top (Vertical)
■
Use the B-Type and the C-Type for installation
on top of a tank or silo. Both B-Type and the
C-Type can be installed with the socket or
flange on top.
■
Sensor shall be installed at the place far
from inlet of the tank.
■
Sun cover shall be installed to protect the
housing from the damage by direct
sunlight. (Refer to Fig. 1.)
Attachment
& Precautions
SUN COVER
PROTECTOR
<Fig. 1>