Siemens SITRANS P500, Руководство по эксплуатации, Страница: 210 / 238

Technical data
11.8 Certificates and approvals
SITRANS P500 with HART
210
Operating Instructions, 12/2014, A5E02344528-09
11.8 Certificates and approvals
Certificates and approvals
Classification according to Pres-
sure Equipment Directive
(PED 97/23/EC)
PN 160 (MWP 2320 psi)
• For gases of Fluid Group 1 and liquids of Fluid Group 1;
meets requirements of Article 3 Para. 3 (good engineering
practice)
Explosion protection
• Explosion protection for Eu-
rope (to ATEX)
•
Intrinsic safety "i"
Designation
II 1/2 G Ex ia/ib IIC T4
Permitted ambient temperature -40 … +85 °C (-40 … +185 °F) temperature class T4
Connection
To a certified intrinsically safe circuit with the max. values:
U
i
= 30 V, I
i
= 100 mA,
P
i
= 750 mW, R
i
= 300 Ω
Effective inner inductance L
i
= 400 μH
Effective inner capacitance C
i
= 6 nF
•
Flameproof enclosure encap-
sulation "d"
Designation
II 1/2 G Ex d IIC T4/T6
Permitted ambient temperature -40 … +85 °C (-40 … +185 °F) temperature class T4
-40 … +60 °C (-40 … +140 °F) temperature class T6
Connection To a circuit with the operating values:
U
m
= 10.5 … 45 V DC
•
Dust explosion protection for
Zone 20
Designation
II 1 D Ex iaD 20 T 120 °C
Permitted ambient temperature -40 ... +85 °C (-40 ... +185 °F)
max. surface temperature
120 °C (248 °F)
Connection To a certified intrinsically safe circuit with the max. values:
U
i
= 30 V, I
i
= 100 mA,
P
i
= 750 mW, R
i
= 300 Ω
Effective inner inductance L
i
= 400 μH
Effective inner capacitance C
i
= 6 nF
•
Dust explosion protection for
Zone 21/22
Designation
II 2 D Ex tD A21 IP68 T 120 °C Ex ia D21