3 INSTALLATION
18
VA FLOWMETERS
www.krohne.com 09/2022 - 4000419908 - AD VA Mech Ex Gb-Db R08 en
Flammable products
Observe the safety instructions when operating with flammable products.
For further information refer to
Flammable products
on page 11.
Measuring units with titanium components
Observe the information regarding installation and safe operation.
For further information refer to
Mounting
on page 17 and refer to
Operation
on page 21.
Unpainted indicators
Unpainted DK3x..HT indicators must not be used in corrosive environments.
3.3 Grounding and equipotential bonding
If the device is not sufficiently electrostatically grounded via the process pipes, an additional
ground connection must be established using the ground terminal ① or ② .
The location of the ground terminal is shown below according to type. This connection only
ensures electrostatic grounding of the device and does not meet the requirements for
equipotential bonding.
Figure 3-1: Ground terminal for DK3. mechanical flowmeter or DK32 with ESK3x transmitter
Figure 3-2: Groun
d terminal for H250/M40
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