Siemens sitrans LR 400 Guide Rapide page 11

b. For 7ML5420 Series (Solids version)
• Permitted ambient temperature at the horn antenna (Category 1D):
≤
- 20 °C
• Permitted ambient temperature at the electronic enclosure (Category 2D):
≤
-20 °C
• Maximum permitted temperature within electronic enclosure (Category 1D):
85 °C
Ambient temperature at the
horn antenna (Category 1D)
≤ ≤
- 20 °C T
amb
≤ ≤
- 20 °C T
amb
≤ ≤
- 20 °C T
amb
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. Equipment Marking:
The equipment marking contains at least the information on the product label,
shown on the inside front cover of this manual.
Note: ATEX approval information for SITRANS LR 400 Gas approvals is
found in the ATEX certificate manual 7ML19985FP82.
7ML19985QN83
≤
T +200 °C
amb
≤
T +65 °C
amb
Maximum surface
temperature at the
horn antenna
(Category 1D)
72 °C
+ 60 °C
112 °C
+ 100 °C
212 °C
+ 200 °C
SITRANS LR 400 – QUICK START MANUAL
Maximum surface temperature Category 2D
(electronic enclosure resp. flange)
≤
70 °C at T 65 °C in Category 2
amb
100 °C independent from T
200 °C independent from T
in Category 2
amb
in Category 2
amb
Page EN-9