HT-100R Series
HITROL CO., LTD.
16
Do not apply the Non Ex-proof product in an Ex-proof zone.
The Ex-proof product can be used where the environment and liquid inside the containers
are of zone 1 and 2
User Training
Failure Mode
and Actions
Cause
Checked
Calibration error
Recalibrate
The DC24V power supply line has not been connected.
Check the power supply line and
reconnect
The FLOAT Stopper below the sensor has been loosened.
Reassemble or replace the Stopper
The sensor FLOAT lost buoyancy or has been damaged. Replace FLOAT
The HIGH cable of the sensor has been opened.
Reconnect
The M-100R inter element has been damaged.
Replace the M-100R
When the resistor of the sensor has been burnt and
opened and the FLOAT is located below the resistor.
Replace the sensor Module
Cause
Checked
Calibration error
Recalibrate
The Float Stopper above the sensor has been loosened. Reassemble or replace the Stopper
The LOW cable of the sensor has been opened.
Reconnect
When the resistor of the sensor has been burnt and
opened, and the float is located above the resistor.
Replace the sensor PCB
TheM-100R inter-element has been damaged.
Replace the M-100R
The above matters should be fully understood, and the temperature of fluids in the
container where the product is used shall not exceed 80℃ in the case of general
types and 150℃ in the case of high-temperature types. In addition, make sure that
the ambient temperature of housing is kept at -20℃ ~ +60℃. (However, product with
PVC sensor part, the fluid temperature of the container is limited to 60℃.)
An Ex-proof product is a pressure-resistant and Ex-proof type, so never open the cover during
operation. Ex-proof products are designed according to Article 34 of the Industrial Safety
and Health Act and Article 58.4 of the Enforcement Rules of the same Act.
When the output current is below 4mA
이상일 경우
When the output current is above 20mA