specification and serial number. The maintenance cost should be determined
by the manufacturing company after investigation.
When a failure occurs due to the following reasons, the user is required to
bear the maintenance cost even during the warranty period.
- User's incorrect self-maintenance
- Incorrect operation, use or storage beyond the design requirements.
- The location where the product is used does not match the applicable
standards of the product or due to improper installation of the installation site.
- Damage caused by natural forces such as fire, earthquake, disturbance, riot,
war or radiation pollution.
1.4 Safety prevention
In order to ensure the safety of operators and instruments and systems, please
carefully read the precautions for use and strictly follow the safety rules. The
company is not responsible for any losses caused by users violating the
operating rules. Please note the following.
(a) Installation
This instrument must be installed by a dedicated engineer or technician.
If the temperature of the working fluid is too high, be careful of the high
temperature of the sensor body and housing to avoid burns.
The instrument in use is under pressure and should not loosen the process
joint bolts to avoid dangerous injection of process liquid.
When discharging residue from the exhaust drain valve, be careful not to
touch the skin, eyes and body or inhale steam. The residual process fluid
may be toxic or harmful.
Avoid direct contact with the fluid and the inside of the instrument when
removing the instrument from corrosive hazardous processes.
(b) wiring
• This instrument must be installed by a dedicated engineer and technician.
• Make sure that the power supply is turned on when the voltage between
the meter and the power supply is within the working range of the meter.
After the power is turned off, wait for 3 minutes before opening the cover
in an explosion-proof place.
(c) maintenance
• Be careful to avoid structural changes or leaks in the connection during
maintenance. Use a dry soft cloth to leave dust and foreign matter on the
display glass and nameplate to keep the meter display and nameplate
clearly visible.
(d) Guarantee
Observe the following when storing this instrument, especially during
long-term storage.
(1) The storage place should meet the following conditions:
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