Pressure gauges with output signal, optionally for hazardous areas10
11297264.05 07/2019 EN/DE
EN
3.8 Ex marking (option)
DANGER!
Danger to life due to loss of explosion protection
Non-observance of these instructions and their contents may result in the loss of
explosion protection.
▶
Observe the safety instructions in this chapter and further explosion protec-
tion instructions in these operating instructions.
▶
Observe the information given in the applicable type examination certi-
cate and the relevant country-specic regulations for installation and use in
hazardous areas (e.g. IEC 60079-14, NEC, CEC).
Check whether the classication is suitable for the application. Observe the relevant national
regulations.
Instruments without PTFE lining
ATEX
IECEx
II 2G Ex ia IIC T6/T5/T4 Gb
II 2D Ex ia IIIB T85°C /T100°C/T135°C Db
Instruments with PTFE lining
Option with models: PGT43, PGT43HP
ATEX
IECEx
II 2G Ex ia IIB T6/T5/T4 Gb
3.9 Specifications and temperature limits
Ingress protection per IEC/EN 60529
For information on the ingress protection of the respective instrument, see chapter 9 “Speci-
cations”. For the IECEx assessment, IP20 ingress protection was assumed.
Permissible temperature range
For determining the maximum temperature at the instrument, besides the medium
temperature also other inuences such as the ambient temperature and, if applicable, the
solar irradiation must be taken into account.
Gas hazardous areas
Required temperature class
(ignition temperature)
Permissible temperature range at the instru-
ment
T6 -20 ... +45 °C
T5 -20 ... +60 °C
T4 ... T1 -20 ... +60 °C, (+70 °C optional)
3. Safety
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