Siemens sitrans PROBE LU User Manual

Page 112 SITRANS Probe LU (PROFIBUS PA) – INSTRUCTION MANUAL 7ML19985JB02
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J: Hazardous installation
Instructions specific to hazardous area
installations
(Reference European ATEX Directive 94/9/EC,
Annex II, 1/0/6)
The following instructions apply to the SITRANS Probe LU covered by certificate number SIRA
03ATEX2142X:
1. For use and assembly, refer to the main instructions.
2. The equipment is certified for use as Category 1G equipment.
3. The equipment may be used with flammable gases and vapors with apparatus
groups IIA, IIB, and IIC, and temperature classes T1, T2, T3, and T4.
4. The equipment is certified for use in an ambient temperature range of –40 °C to
80 °C.
5. The equipment has not been assessed as a safety related device (as referred to by
Directive 94/9/EC Annex II, clause 1.5).
6. Installation and inspection of this equipment shall be carried out by suitably trained
personnel in accordance with the applicable code of practice (EN 60079-14 and
EN 60079-17 in Europe).
7. Repair of this equipment shall be carried out by suitably trained personnel in
accordance with the applicable code of practice (e.g. EN 60079-19 within Europe).
8. Components to be incorporated into or used as replacements in the equipment shall
be fitted by suitably trained personnel in accordance with the manufacturer’s
documentation.
9. It is the responsibility of the user to ensure that manual override is possible in order
to shut down the equipment and protective systems incorporated within automatic
processes which deviate from the intended operating conditions, provided that this
does not compromise safety.
10. The ‘X’ suffix to the certificate number relates to the following special conditions for
safe use:
Parts of the enclosure may be non-conducting and may generate an ignition-
capable level of electrostatic charge under certain extreme conditions. The user
should ensure that the equipment is not installed in a location where it may be
subjected to external conditions (such as high-pressure steam) which might
cause a build-up of electrostatic charge on non-conducting surfaces.
(continued on next page)

Siemens sitrans PROBE LU Specifications

General

Measuring Principle	Ultrasonic
Communication	HART
Output	4 to 20 mA
Power Supply	12 to 30 V DC
Process Temperature	-40 to 80 °C
Enclosure Rating	IP68
Material	PVDF
Ambient Temperature	-40 to 70 °C
Measurement Range	0.25 to 12 m (0.8 to 39 ft)