SICK LFV 310 Sicherheitshinweise Seite 16

1 Area of applicability
These safety instructions apply to the vibrating level switches LFV 310.D*********, LFV
330.D********* according to EG type approval certificate DEKRA 16 ATEX 0130 X (certificate num-
ber on the type label) and for all instruments with the number of the safety instruction (50839) on the
type label.
Subject of the evaluation of LFV 3*0.D** in the version with ignition protection type flameproof
enclosure "Ex db" are the types LFV 310.D*********, LFV 330.D*********.
The versions LFV 310.D*********, LFV 330.D********* with the features "DA" and "DM" on the type
label are certified version with ignition protection type flameproof enclosure also with a ship certifi-
cate/overfill protection.
Feature "DX" in the type code:
Feature "DA" in the type code:
Feature "DM" in the type code:
The ship certificate and the certification as overfill protection are not subject of the assessment and
evaluation acc. to the EU Type approval certificate DEKRA 16 ATEX 0130 X.
2 General information
The LFV 310.D*********, LFV 330.D********* are used for level measurement in hazardous areas.
The measured products can also be combustible liquids, gases, mist or vapour.
The LFV 310.D*********, LFV 330.D********* are suitable for use in hazardous atmospheres of all
combustible materials of explosion group IIA, IIB and IIC for applications requiring instruments of
category 1/2G.
If the LFV 310.D*********, LFV 330.D********* are installed and operated in hazardous areas, the
general Ex installation regulations EN 60079-14 as well as these safety instructions must be ob-
served.
The operating instructions as well as the installation regulations or standards that apply for explo-
sion protection of electrical systems must generally be observed.
The installation of explosion-endangered systems must always be carried out by qualified person-
nel.
Category 1/2G instruments
The electronics housing is installed in hazardous areas requiring instruments of category 2G. The
process connection element is installed in the separating wall, which separates areas requiring in-
struments of category 2G or 1G. The antenna system with the mechanical fixing element is installed
in hazardous areas requiring instruments of category 1G.
Tested according to the following applied standards:
EN 60079-0: 2012 + A11: 2013
EN 60079-1: 2014
EN 60079-26: 2015
Ignition protection label
II 1/2G Ex db IIC T6 ... T2 Ga/Gb
Important specification in the type code
LFV310/330(*).abcdefghij
4
Certificate ignition protection type flameproof enclosure Ex db
Certificate ignition protection type flameproof enclosure but also overfill
protection
Certificate ignition protection type flameproof enclosure but also ship cer-
tificate
LFV 310, 330