Emerson Rosemount 644 Reference Manual page 121

Reference Manual
00809-0200-4728, Rev RA
Table A-5. 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.
Display and interface options
M4 LCD Display with Local Operator Interface
M5 LCD Display
Software configuration
C1 Custom Configuration of Date, Descriptor and Message (requires CDS with order)
Enhanced performance
(6)
P8 Enhanced Transmitter Accuracy and Stability
Alarm level configuration
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
F5 50 Hz Line Voltage Filter
F6 60 Hz Line Voltage Filter
Sensor trim
Transmitter-Sensor Matching - Trim to Specific Rosemount RTD Calibration
C2
Schedule (CVD constants)
5-point calibration option
C4 5-point calibration. Use option code Q4 to generate a calibration certificate.
Calibration certificate
Q4 Calibration certificate. 3-Point calibration with certificate
QP Calibration Certification & Tamper Evident Seal
Quality certification for safety
QT Safety Certified to IEC 61508 with certificate of FMEDA data
Shipboard certification
SBS American Bureau of Shipping (ABS) Type Approval
SBV Bureau Veritas (BV) Type Approval
SDN Det Norske Veritas (DNV) Type Approval
SLL Lloyd's Register (LR) Type Approval
External ground
External ground lug assembly (see
G1
page 118
)
Specifications and Reference Data
Appendix A: Specifications and Reference Data
"External ground screw assembly" on
April 2015
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– = Not Available
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Head Rail
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