8.9 Certificates and approvals
Certificates and approvals
Classification according to pressure equipment direc‐
tive (PED 2014/68/EU)
● For gases of fluid group 1 and liquids of fluid group 1; complies
with requirements of article 4, paragraph 3 (sound engineering
practice)
● Only for flow rate:
For gases of Fluid Group 1 and liquids of Fluid Group 1; fulfills
the basic safety requirements as per article 3, Para 1
(appendix 1); classified as category III, module H conformity
evaluation by TÜV Nord
Drinking water Available soon
● WRAS (England)
● ACS (France)
● DVGW (Germany)
● NSF (USA)
CRN (Canada) Available soon
Explosion protection in accordance with NEPSI (China) Available soon
Explosion protection in accordance with INMETRO
(Brazil)
Available soon
BAM (Germany), oxygen expenditures Available soon
Explosion protection
● Intrinsic safety "i"
Designation II 1/2 G Ex ia/ib IIC T4/T6 Ga/Gb
Permissible ambient temperature -40 … +80 °C (-40 … +176 °F) Temperature class T4
-40 … +55 °C (-40 … +158 °F) Temperature class T6
Permissible temperature of medium -40 … +100 °C (-40 … +212 °F) temperature class T4
-40 … +70 °C (-40 … +158 °F) temperature class T6
Connection To a certified intrinsically safe circuit with the max. values:
U
i
= 30 V, I
i
= 101 mA, P
i
= 760 mW
U
i
= 29 V, I
i
= 110 mA, P
i
= 800 mW
Effective inner capacitance C
i
= 3.29 nF
Effective inner inductance Li = 0.24 µH
● Flameproof enclosure encapsulation "d"
Designation II 1/2G Ex ia/db IIC T4/T6 Ga/Gb
Permissible ambient temperature -40 … +80 °C (-40 … +176 °F) temperature class T4
-40 … +70 °C (-40 … +158 °F) temperature class T6
Permissible temperature of medium -40 … +100 °C (-40 … +212 °F) temperature class T4
-40 … +70 °C (-40 … +158 °F) temperature class T6
Connection To a circuit with the operating values:
U
H
= 10.5 … 45 V DC, 4 ... 20 mA
● Dust explosion protection for zones 21, 22
Technical data
8.9 Certificates and approvals
SITRANS P320/P420 with 4 to 20 mA/HART
100 Compact Operating Instructions, 09/2018, A5E38874562-AB