7.2
Certificates and approvals
Certificates and approvals
Classification according to Pressure
Equipment Directive (PED 97/23/EC)
PN 160 (MWP 2320 psi)
Explosion protection
Explosion protection for Europe (to
•
ATEX)
Intrinsic safety "i"
•
Designation
Permitted ambient temperature
Connection
Effective inner inductance
Effective inner capacitance
Flameproof enclosure encapsulation
•
"d"
Designation
Permitted ambient temperature
Connection
Dust explosion protection for Zone 20
•
Designation
Permitted ambient temperature
max. surface temperature
Connection
Effective inner inductance
Effective inner capacitance
Dust explosion protection for Zone
•
21/22
Designation
Connection
Type of protection "n" (Zone 2)
•
Designation
Connection "nA, ic"
Connection "nL"
Effective inner inductance
Effective inner capacitance
30
For gases of Fluid Group 1 and liquids of Fluid Group 1; meets
•
requirements of Article 3 Para. 3 (good engineering practice)
II 1/2 G Ex ia/ib IIC T4
-40 ... +85 °C (-40 ... +185 °F) temperature class T4
To a certified intrinsically safe circuit with the max. values:
U
= 30 V, I
= 100 mA,
i
i
P
= 750 mW, R
= 300 Ω
i
i
L
= 400 μH
i
C
= 6 nF
i
II 1/2 G Ex d IIC T4/T6
-40 ... +85 °C (-40 ... +185 °F) temperature class T4
-40 ... +60 °C (-40 ... +140 °F) temperature class T6
To a circuit with the operating values:
U
= 10.5 ... 45 V DC
m
II 1 D Ex iaD 20 T 120 °C
-40 ... +85 °C (-40 ... +185 °F)
120 °C (248 °F)
To a certified intrinsically safe circuit with the max. values:
U
= 30 V, I
= 100 mA,
i
i
P
= 750 mW, R
= 300 Ω
i
i
L
= 400 μH
i
C
= 6 nF
i
II 2 D Ex tD A21 IP68 T 120 °C Ex ia D21
To a circuit with the operating values:
U
= 10.5 ... 45 V DC; P
m
II 3 G Ex nA II T4/T6;
II 2/3 G Ex ib/nL IIC T4/T6;
II 2/3 G Ex ib/ic IIC T4/T6
U
= 45 V DC
m
U
= 45 V
n
L
= 400 μH
i
C
= 6 nF
i
= 1.2 W
max
SITRANS P500 with HART
A5E02344532-04, 12/2014