Reference Manual
00809-0100-4697, Rev EA
October 2011
Rosemount 848T
B-10
2.7. 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.
2.8. 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 atm o sp he re s. "
GB3836.15-2000 "Electr ical apparatus for explosive gas atmosp heres
Part 15: Electrical inst allations in hazardous area (othe r than mines)."
GB3836.16-2006 "Electrical apparatus for explosive gas atmospheres
Part 16: Inspection and maintenance of electrical installation (other
than mines)."
GB50257-1996 "Code for construction and acceptance of electric
device for explosion atmosphere s and fire hazard electrical
equipment installation engineering."
Japanese Certifications
I4 TISS Intrinsic Safety FISCO Type ‘1a’
Ex ia IIC T4
Certification Number: TC 19 71 3
H4 TISS Intrinsic Safety FISCO Type ‘1b’
Ex ia IIB T4
Certification Number: TC19714