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4200 Series Transmitters
Instruction Manual
Form 5596
July 2005
43
SPECIFIC CONDITIONS FOR SAFE USE
S
THIS EQUIPMENT IS INTRINSICALLY SAFE AND CAN BE USED IN
POTENTIALLY EXPLOSIVE ATMOSPHERES.
S
THE APPARATUS MUST ONLY BE CONNECTED TO A CERTIFIED
ASSOCIATED INTRINSICALLY SAFE EQUIPMENT AND THIS COMBINATION
MUST BE COMPATIBLE AS REGARDS INTRINSIC SAFETY RULES.
S
THE ELECTRICAL PARAMETERS OF THE ASSOCIATED INTRINSICALLY
SAFE EQUIPMENT MUST NOT EXCEED ANY OF THE FOLLOWING VALUES:
Uo
v
30 V, lo
v
150mA, Po
v
1W
S
MAXIMAL AMBIENT TEMPERATURE: −40
_
C to +71
_
C.
S
TEMPERATURE CLASSIFICATION IS AS FOLLOWS:
T5 at Ta
v
+ 40
_
C
T4 at Ta
v
+ 71
_
C
TYPES 4211 AND 4221
TYPE n AND DUST
TYPES 4211 AND 4221
INTRINSICALLY SAFE AND DUST
Figure 28. ATEX (LCIE) Approvals Nameplates