Endress+Hauser Cerabar T PMP131 Sicherheitshinweise Seite 10

Cerabar T
Safety instructions:
General
Safety instructions:
Zone 0
Special conditions
(X marking)
10
A
B
å 1
A Zone 1, Electronics
B Zone 0, Process
1 Power supply
2 PMP131-...1.... or PMP135-...1....
3 PMP131-...D.... or PMP135-...D....
PMP131-...D.... or PMP135-...D....
Type of protection/level of protection
PMP131-...1.... or PMP135-...1....
Type of protection/level of protection
• Permitted ambient temperature range: –25 °C ≤ Ta ≤ +65 °C.
• Comply with the installation and safety instructions in the Operating Instructions.
• Install the device according to the manufacturer's instructions and any other valid standards and regulations.
• Only install the devices in media for which the wetted materials have sufficient durability.
• Do not operate the device outside the specified electrical and thermal parameters.
• Only operate devices in potentially explosive vapour/air mixtures under atmospheric conditions:
–20 °C ≤ T ≤ +60 °C
0.8 bar ≤ p ≤ 1.1 bar
• If no potentially explosive mixtures are present, or if additional protective measures have been taken,
according to EN 1127-1, the transmitters may be operated under other atmospheric conditions in
accordance with the manufacturer's specifications.
• Associated apparatus with galvanic isolation between the intrinsically safe and non-intrinsically safe circuits
are preferred.
• Wall thickness of the seperating diaphragm (stainless steel) ≥ 0.025 mm.
Do not expose the separating diaphram to any environmental strain that may have detrimental effects on it.
PTB 02 ATEX 2062 X / XA00142P-B
1 1
II 1/2 G Ex ib IIC T6 Ga/Gb
II 2 G Ex ib IIC T6 Gb
2
3
XA00142Pxx01
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