Operating Instructions

Note
● This device has been tested and found to comply with the limits RS- 211 - Level Probing
Radar Equipment. These limits are designed to provide reasonable protection against
harmful interference when the equipment is operated in a commercial environment.
● This device is certified to measure levels in fixed or mobile enclosed tanks made from metal,
concrete or materials with similar RF attenuating properties.
● Devices equipped with the aluminum horn or the 3 inch or 4 inch stainless horn antennas
may be used to measure levels in open air environments or outside enclosed tanks, subject
to the following conditions:
– Devices shall be installed and maintained to ensure a vertically downward orientation of
the transmit antenna’s main beam.
– Devices shall be installed only at fixed locations. Devices shall not operate while being
moved or while inside a moving container.
– Hand-held applications and residential use are prohibited.
2.1.5 Conformity with European directives
The CE marking on the device symbolizes the conformity with the following European
directives:
Electromagnetic compatibili‐
ty EMC
2014/30/EU
Directive of the European Parliament and of the Council on the
harmonisation of the laws of the Member States relating to elec‐
tromagnetic compatibility
Low voltage directive LVD
2014/35/EU
Directive of the European Parliament and of the Council on the
harmonisation of the laws of the Member States relating to the
making available on the market of electrical equipment designed
for use within certain voltage limits
Atmosphère explosible
ATEX
2014/34/EU
Directive of the European Parliament and the Council on the
harmonisation of the laws of the Member States relating to
equipment and protective systems intended for use in potentially
explosive atmospheres
Pressure equipment direc‐
tive PED
2014/68/EU
Directive of the European Parliament and of the Council on the
harmonisation of the laws of the Member States relating to the
making available on the market of pressure equipment
RED
2014/53/EU
Directive of the European Parliament and of the Council on the
harmonisation of the laws of the Member States relating to the
making available on the market of radio equipment and repeal‐
ing Directive 1999/5/EC
The applicable directives can be found in the EC conformity declaration of the specific device.
Safety information
2.1 Preconditions for safe use
SITRANS LR250 with mA/HART
Operating Instructions, 10/2019, A5E32220602-AG 15