Rosemount Temperature Transmitter 644RANA

The most versatile temperature transmitter
Reduce complexity and simplify the day to day operations of your diverse temperature applications with the versatile Rosemount 644 family of temperature transmitters. Make better decisions for your process with the new and easy to use Rosemount 644 Transmitter capabilities including: diagnostics, safety certification, integral transient protection and display options. Rosemount Temperature Transmitter 644RANA

Fit your needs within one model family with a customizable transmitter design

Rosemount Temperature Transmitter 644RANA

DIN Head mount, field mount, and rail mount form factors

4-20 mA /HART® with Selectable Revisions, FOUNDATION? fieldbus or PROFIBUS® PA Protocol support

SIL3 Capable: IEC 61508 certified by an accredited 3rd party agency for use in safety instrumented systems up to SIL 3 [Minimum requirement of single use (1oo1) for SIL 2 and redundant use (1oo2) for SIL 3]

Enhanced display with Local Operator Interface

LCD display

Integral Transient Protection

Enhanced accuracy and stability

Transmitter-Sensor Matching with Callendar Van Dusen constants

Variety of enclosures

Rosemount 644 HART Transmitters 

Rosemount Temperature Transmitter 644RANA
HART head mount and field mount

Single or Dual sensor inputs for RTD, Thermocouple, mV and Ohm

DIN A Head mount and Field mount transmitters

SIL3 Capable: IEC 61508 certified by an accredited 3rd party agency for use in safety instrumented systems up to SIL 3 (Minimum requirement of single use [1oo1] for SIL 2 and redundant use [1oo2] for SIL 3)

LCD display

Enhanced display with Local Operator Interface

Integral Transient Protection

Diagnostic Suite

Enhanced accuracy and stability

Transmitter-Sensor Matching with Callendar Van Dusen constants

HART rail mount

Single sensor input for RTD, Thermocouple, mV and Ohm

Custom alarm and saturation levels

Transmitter-Sensor Matching with Callendar Van Dusen constants

Hardware alarm switch

Order Information

Rosemount Temperature Transmitter 644RANA

Table 1. 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