Reference Manual
00809-0400-4728, Rev AA
June 2011
Rosemount 644
A-12
ORDERING INFORMATION
Table A-3. Rosemount 644 Smart Temperature Transmitter Ordering Information
★ The Standard offering represents the most common models and options. These options should be selected for best delivery.
__The Expanded offering is manufactured after receipt of order and is subject to additional delivery lead time.
● = Available
– = Not Available
Model Product Description
644 Temperature Transmitter
Transmitter Type
Standard Standard
H DIN A Head Mount (suitable for mounting in the field with enclosure options below) ★
RRail Mount ★
Output Head Rail
Standard Standard
A4–20 mA with digital signal based on HART protocol ● ● ★
F FOUNDATION fieldbus digital signal (includes 2 AI function blocks and Backup Link
Active Scheduler)
●–★
WProfibus PA digital signal ●–★
Product Certifications
Hazardous Locations Certificates (consult factory for availability) A F W A
Standard Standard
NA No approval ● ● ● ● ★
E5(1) FM Explosion–Proof ● ● ● –★
I5(2) FM Intrinsically Safe ● ● ● ● ★
K5(2)(1) FM Intrinsically Safe, Explosion-Proof Combination ● ● ● –★
KC FM/CSA Intrinsically Safe and Non-incendive Approval – – – ●★
I6(2) CSA Intrinsically Safe ● ● ● –★
K6(1)(3) CSA Intrinsically Safe, Explosion-Proof Combination ● ● ● –★
E1(1) ATEX Flameproof ● ● ● –★
I1(2) ATEX Intrinsically Safe ● ● ● ● ★
N1(1) ATEX Type n ● ● ● –★
NC ATEX Type n Component ● ● ● ● ★
ND(1) ATEX Dust Ignition–Proof ● ● ● –★
E7(1) IECEx Flameproof and Dust ● ● ● –★
I7(2) IECEx Intrinsically Safe ● ● ● ● ★
N7(1) IECEx Type n ● ● ● –★
NG IECEx Type n Component ● ● ● ● ★
E2(1) INMETRO Flameproof ● ● ● –★
E4(1)(3) TIIS Explosion–Proof ● ● ● ● ★
E3(1) China Flameproof ● ● ● –★
I3 China Intrinsic Safety ● ● ● –★
Options
A F W A
PlantWeb Control Functionality
Standard Standard
A01 FOUNDATION fieldbus Advanced Control Function Block Suite –●– – ★