4
Important Notes
Usage for the intended purpose
The conductivity switch LRS 1-7 in conjunction with the conductivity electrode LRG 16-9,
ERL 16, LRG 16-4 is designed for measuring and monitoring the electrical conductivity in conductive
liquids.
Safety note
Danger
The terminal strips of the conductivity switch LRS 1-7 are live during operation.
This presents the risk of severe cases of electric shock!
Always
cut off power supply
to the equipment before mounting, removing or connecting
the terminal strips!
The equipment must only be installed and commissioned by qualified and competent staff.
Retrofitting and maintenance work must only be performed by qualified staff who – through adequate
training – have achieved a recognised level of competence.
LV (Low Voltage) Directive and EMC (Electromagnetic Compatibility)
The equipment meets the requirements of the Low Voltage Directive 2014/35/EU and the
EMC Directive 2014/30/EU.
ATEX (Atmosphere Explosible)
According to the European Directive 2014/34/EU the equipment must
not
be used in potentially explo-
sive areas.
Note on the Declaration of Conformity / Declaration by the Manufacturer
For details on the conformity of our equipment according to the European Directives see our Declaration
of Conformity or our Declaration of Manufacturer.
The current Declaration of Conformity / Declaration of Manufacturer are available in the Internet under
www.gestra.de/documents or can be requested from us.
