Introduction: The Rosemount 644 temperature transmitter is versatile, with top, field, or rail mounting styles and a variety of enclosure options. By adding a local operator interface (LOI), the transmitter configuration can be updated in the field without the need for tools. The transmitter also includes diagnostics such as Hot Backup™, sensor drift warning, and thermocouple degradation to address different application needs.
Features:
Extremely versatile temperature transmitter for HART®, FOUNDATION™ fieldbus or PROFIBUS® protocols
A variety of housing options allow for a variety of mounting configurations, including top, field, or rail mounting
The LOI option eliminates the need for special configuration tools (e.g., live communicators) for ease of use
The transmitter-transducer satisfies Callendar-Van Dusen constant matching, reducing total measurement errors
The Hot Backup™ function and sensor drift warning are equipped with dual sensors to ensure measurement integrity
Thermocouple aging diagnostics monitor the health of thermocouples to prevent failures due to aging
Minimum and maximum temperature tracking monitors temperature limit values for easy troubleshooting
The device dashboard serves as a simple interface for simplifying plant configuration and performing diagnostic troubleshooting
Product parameters
Inputs: Supports general-purpose sensor inputs (RTD, T/C, mV, ohms) and can support single or dual sensor assembly
Output signals: 4-20 mA/HART® protocol, FOUNDATION™ fieldbus protocol, PROFIBUS® PA protocol
Enclosure: field mounted, DIN A head mounted, or rail-mounted
Display/Interface: LCD display or LCD display with local operator interface (LOI).
Diagnostics: Basic Diagnostics, Hot Backup Function, Sensor Drift™ Warning, Thermocouple Aging, Min/Max Tracking
Calibration Options: Transmitter-Sensor Matching (Callender-Van Van. Dusen's constant), 5-point calibration
This article introduces the Rosemount/Rosemount 644 temperature transmitter products, if you are interested in the Rosemount/Rosemount temperature transmitter, please also contact our customer service, we look forward to your call, hope our technology and service can bring you a better experience.
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