Filter
Top Products
Reference Manual
00809-0400-4728, Rev AA
June 2011
A-13
Rosemount 644
Assemble To Options
Standard Standard
XA Sensor Specified Separately and Assembled To Transmitter
● ● ● –
★
Head Rail
A F W A
Enclosure Options
Standard Standard
J5
(4)(5)
Universal Head (junction box), aluminum alloy with 50.8 mm (2-in.) SST pipe bracket
(M20 entries)
● ● ● –
★
J6
(4)
Universal Head (junction box), aluminum alloy with 50.8 mm (2-in.) SST pipe bracket
(
1
/2–14 NPT entries)
● ● ● –
★
J7
(4)(5)
Universal Head (junction box), cast SST with 50.8 mm (2-in.) SST pipe bracket (M20
entries)
● ● ● –
★
J8
(4)
Universal Head (junction box), cast SST with 50.8 mm (2-in.) SST pipe bracket (
1
/2–
14 NPT entries)
● ● ● –
★
Expanded
S1 Connection Head, Polished Stainless Steel (
1
/2–14 NPT entries)
● ● ● –
S2 Connection Head, Polished Stainless Steel (
1
/2–14 NPSM entries)
● ● ● –
S3 Connection Head, Polished Stainless Steel (M20 x 1.5 conduit and entries)
● ● ● –
S4 Connection Head, Polished Stainless Steel (M20 x 1.5 conduit entries, M24 x 1.5
head entry)
● ● ● –
Display
Standard Standard
M5 LCD Display
● ● ● –
★
Expanded
M6 LCD Display with Polycarbonate Meter Face
● ● ● –
Software Configuration
Standard Standard
C1 Custom Configuration of Date, Descriptor and Message (Requires CDS with order)
● ● ● ●
★
Alarm Level Configuration
Standard Standard
A1 NAMUR alarm and saturation levels, high alarm
● – – ●
★
CN NAMUR alarm and saturation levels, low alarm
● – – ●
★
C8 Low Alarm (Standard Rosemount Alarm and Saturation Values)
● – – ●
★
Line Filter
Standard Standard
F6 60 Hz Line Voltage Filter
● ● ● ●
★
Sensor Trim
Standard Standard
C2 Transmitter-Sensor Matching - Trim to Specific Rosemount RTD Calibration
Schedule (CVD constants)
● ● ● ●
★
5-Point Calibration Option
Standard Standard
C4 5-point calibration. Use option code Q4 to generate a calibration certificate
● ● ● ●
★
Calibration Certificate
Standard Standard
Q4 Calibration certificate. 3-Point calibration with certificate
● ● ● ●
★
External Ground
Standard Standard
G1 External ground lug assembly (see “External Ground Screw Assembly” on
page A-15)
● ●
●
–
★
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