HTM-30N Series
HITROL CO., LTD. 7
HTM-30N 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,
consider the following:
When installation, the process connection should be screw or flange type, and a
length of the screw should not be over 24mm. Otherwise, dust or foreign matter may
enter, resulting in a malfunction. For horizontal installation, mark indicated in below
drawing facing upward and installing the wide surface of the fork vertical.
The direction of the tuning fork can be checked from the outside.
To prevent buildup, the product should be installed at an inclination of
or more.
In addition, the wing of the sensor must be installed vertically.
Avoid the inlet to install the sensor and maintain enough distance to prevent direct
contact with the content.
Cable lead-in inlet must face the direction shown in the figure.
If the housing temperature rises because of direct sunlight, install a sun cover to
prevent such occurrence.
Precautions
for Installation
AMP & Wiring
Set upwards
Connect AC (90~240V) or DC (24V) according to the power specifications.
Make sure to connect the power with the correct polarity (+,-).
Do not connect the wire with the power connected.
This product provides DPDT. Wire it with COM and NO Terminal to use High Contact.
Make sure to connect it to an external ground.
For explosion-proof products, apply power after tightening the cover.