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6 Instrument description
6.1
Technical data
Ex
marking
Explosion
protection
Explosion
protection type
Test
certificate
20
II 2G Ex ed IIC T5 bzw. T6
II 2D Ex tD A21 IP65 T95°C bzw. T80°C
II 2G
II 2D
Ex
e
d
IIC
T5 or T6
Application in combustible dusts
IP65
T95°C or T80°C
PTB 03 ATEX 1187
for potentially explosive gas atmospheres
for potentially explosive dust atmospheres
Equipment group II, Category 2,
equipment for potentially explosive gas atmospheres
Equipment group II, Category 2,
equipment for potentially explosive dust atmospheres
General requirements
European Standard EN 60079-0
Increased safety
European Standard EN 60079-7
Flameproof enclosure
European Standard EN 60079-1
Gas group
Temperature class
European Standard
Protection to EN 60529-IP65
max. permissible surface temperature
(application in combustible dusts)
EN 61241-0
EN 61241-1
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