HTM(HPV)-20N Series
HITROL CO., LTD.
12
Turn off the power of the product for maintenance.
Use
Maintenance
Failure Check
Precautions
for Removal
The main inspection parts of the vibrating level switch are divided into the sensor and
transmission parts. The life span of the major components depends on user’s environment and
can be used in optimal condition through periodic checks. Therefore, the user shall
check and maintain at least once a year. Inspection of the appearance of the product
shall be visually checked to see if there is any damage, and the attachment of the
medium or foreign substances to the sensor will make it worse, so they shall be
removed regularly.
- Remove any sticky object from the device when cleaning the tank or silo.
- If the medium moves fast or the agitator works in the tank, perform regular inspection
to prevent mechanical damage to the sensor.
- It may cause sensor error and malfunction, so conduct a regular water-proof check.
- When measuring sticky material, check if such material grows. Remove them regularly if any
should appear. The sticky material may cause malfunction and damage to the device.
If there is a problem with operation, check the following first.
■
Is power voltage connected correctly?
■
Is power voltage supplied according to specifications correctly?
■
Is output contact wiring correctly?
The level switch that prevents the vibration of the tuning fork is good for most of the
materials, but the following need to be taken in consideration.
■ Max. Ambient Temperature
■ Max. Pressure
■ Max. Particle Size
■ Vibration
■
Check the level and presence of liquid in the tank before removing it.
■
Overheated product may cause burn, so wear gloves to remove it.
■
It there is explosive gas in the atmosphere, do not open the cover.
■
Remove it with the power disconnected.
■
Make sure that any o-ring or gasket is not damaged while opening or closing the cover.
