9.2. Calibration in the process
→ Insert the product in the process.
→ Leave conductivity and temperature at least 15 minutes for
equilibration.
→ Take a process sample and do a measurement with a reference
conductivity meter. Do the measurement at a temperature equal
to that of the process. If that is not possible, you need to know
the temperature compensation coefficient of your sample.
→ Manually adjust the cell constant to read the same conductivity
value on the process instrument.
You may switch off the temperature compensation of the
process to prevent any errors. Refer to the Operating
Instructions of the device connected to the product.
10. MAINTENANCE AND
TROUBLESHOOTING
10.1. Safety instructions
danger
Risk of injury due to high pressure in the installation.
▶ Before any intervention on the installation, stop the circulation of
fluid, cut off the pressure and drain the pipe.
▶ Observe the dependency between the fluid temperature and the
fluid pressure. See Fig. 2 chap. 6.4.
Risk of burn injury due to electrical voltage.
▶ Observe all applicable accident protection and safety regula-
tions for electrical equipment.
Risk of burn injury due to high fluid temperatures.
▶ Do not touch with bare hands the parts of the product that are
in contact with the fluid.
▶ Before opening the pipe, stop the circulation of fluid and drain
the pipe.
Risk of injury due to the nature of the fluid.
▶ Respect the prevailing regulations on accident prevention and
safety relating to the use of dangerous fluids.
30
Maintenance and troubleshooting
Type 8221
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