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Assembly, Connection and Putting into Operation
The pipeline from the pressure sensor to the meter must be
laid at an angle in order to ensure that water does not damage
the pressure sensor or affect the measurement accuracy.
5.2
Connection
The EK280 is available as both a calibrated and non-
calibrated device. Information regarding additional equipment
versions of the EK280 can be found under www.elster-
instromet.com.
DANGER!
The connection of non-intrinsically-safe or non-
associated equipment presents a risk of explosion!
The operation of the EK280 in zones 1 and 2 and the
connection of non-intrinsically-safe equipment which exceeds
those conditions and limit values specified in the declaration
of conformity, presents a risk of explosion.
Therefore:
– The device should only be connected inside zones 1 and
2 and only to certified associated equipment as per the
ATEX Product Directive 94/9/EC.
– Only devices with intrinsically-safe circuits and electrical
data that corresponds to those requirements stipulated in
the declaration of conformity for the EK280 (see
Appendix), should be connected.
WARNING!
Risk caused by incorrect connection of the device!
The device should solely be connected by a gas specialist (see "Safety"
chapter). Incorrect connections may lead to life-threatening situations or
significant material damage.
Therefore:
– The calibrated device should only be connected by a gas specialist.
– The same specialist should also be consulted if subsequent changes
to location arise.
– Please refrain from unauthorized connections and relocations of the
device.
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