IM-P736-02 EMM Issue 3
124
VLM30 In-Line Vortex Flowmeter
6.1 Safety instructions
Warning!
Risk of injury due to live parts!
When the housing is open, contact protection is not provided
and EMC protection is limited.
-Before opening the housing, switch off the power supply.
Caution!
Risk of burns due to hot measuring media
The device surface temperature may exceed 70 °C (158 °F), depending on the measuring
medium temperature!
- Before starting work on the device, make sure that it has cooled suciently.
Damage to components!
The electronic components of the printed circuit board can be damaged by static
electricity (observe ESD guidelines).
- Make sure that the static electricity in your body is discharged before touching
electronic components.
Corrective maintenance work may only be performed by trained personnel.
-
Before removing the device, depressurise it along with any adjacent lines or vessels.
-
Check whether hazardous materials have been used as measuring medium before opening the device.
Residual amounts of hazardous material may still be present in the device and could escape when it
is opened.
Within the scope of operator responsibility, check the following as part of a regular inspection:
-
pressure-carrying walls/pressure equipment liner.
-
the measurement-related function.
-
the leak tightness.
-
the wear (corrosion).
6. Maintenance
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