Rosemount 848T Especificações Página 85

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Reference Manual
00809-0100-4697, Rev GA
Appendix B: Product Certifications
November 2014
Product Certificates
2. This apparatus is not capable of withstanding the 500 V rms insulation test
required by Clause 6.4.12 of GB3836.4-2000.
3. The ambient temperature range of the equipments is T4 (– 50 °C T
a
+ 60 °C).
4. Parameters:
Terminals of power/loop (1-2):
Note
Non-FISCO parameters listed above must be derived from a linear supply with a resistance
limited output.
Terminals of sensor:
5. The product complies to the requirements for FISCO field devices specified in
IEC60079-27: 2008. For the connection of an intrinsically safe circuit in
accordance FISCO model, FISCO parameters of this product are as above.
6. The product should be used with Ex-certified associated apparatus to establish
explosion protection system that can be used in explosive gas atmospheres.
Wiring and terminals should comply with the instruction manual of the product
and associated apparatus.
7. The cables between this product and associated apparatus should be shielded
cables (the cables must have insulated shield). The shielded cable has to be
grounded reliably in non-hazardous area.
8. End users are not permitted to change any component’s insides, but to settle the
problem, in conjunction with manufacturer to avoid damage to the product.
9. During installation, use and maintenance of this product, observe following
standards:
GB3836.13-1997 “Electrical apparatus for explosive gas atmospheres Part 13:
Repair and overhaul for apparatus used in explosive gas atmospheres.
GB3836.15-2000 “Electrical apparatus for explosive gas atmospheres Part 15:
Electrical installations in hazardous area (other than mines).
Output
Maximum
output voltage:
U
o
(V)
Maximum
output current:
I
o
(mA)
Maximum
output power:
P
o
(mW)
Maximum external
parameters
C
o
(mF) Lo (H)
F 30 300 1.3 2.1 0
F
(FISCO)
17.5 380 5.32 2.1 0
Output Terminals
Maximum
output
voltage:
U
o
(V)
Maximum
output
current:
I
o
(mA)
Maximum
output
power:
P
o
(mW)
Maximum
external
parameters
C
o
(mF) Lo (H)
F 1-8 12.5 4.8 15 1.2 1
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