Emerson Rosemount 644h, Справочное руководство

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Reference Manual
00809-0100-4728, Rev HA
December 2002
Models 644H and 644R
B-2
NOTE
Approval E5 is only available with 644H option codes J5 and J6.
Canadian Standards Association (CSA) Approvals
I6 CSA Intrinsic Safety
Intrinsically Safe for Class I, Division 1, Groups A, B, C, and D when
installed in accordance with Rosemount drawing 00644–1064.
C6 CSA Intrinsic Safety, Explosion–Proof, and Non-incendive.
Combination of I6 and Explosion–proof for Class I, Division 1, Groups B,
C, and D; Dust-ignition proof for Class II, Division 1, Groups E, F, and G;
Class III, Division 1 hazardous locations, when installed in accordance
with Rosemount drawing 00644–1059.
Suitable for Class I, Division 2, Groups B, C, and D when installed in a
suitable enclosure.
Temperature Code: Ambient Limits –50°C to 85°C
NOTE
C6 is only available with Model 644H option code J6.
European Approvals
CENELEC ATEX Approvals
I1 CENELEC Intrinsic Safety:
Certification Number: BAS00ATEX1033X
ATEX Marking:
II 1 G EEx ia IIC T4/T5/T6
1180
Table B-2. Temperature Code
Pi Temperature Code
0.67 W T6 (T
amb
= – 50 °C to 40 °C)
0.67 W T5 (T
amb
= – 50 °C to 60 °C)
1.0 W T4 (T
amb
= – 50 °C to 80 °C)
Table B-3. Temperature Code
Pi Temperature Code
0.67 W T6 (T
amb
= – 60 °C to 40 °C)
0.67 W T5 (T
amb
= – 60 °C to 50 °C)
1.0 W T5 (T
amb
= – 60 °C to 40 °C)
1.0 W T4 (T
amb
= – 60 °C to 80 °C)