Name: ROSEMOUNT 644 TEMPERATURE TRANSMITTER
Brand: Rosemount
Availability: InStock

Product Details

Product Description：

Engineered for versatility, the Rosemount 644 Temperature Transmitter is available with HART®, FOUNDATION™ Fieldbus or PROFIBUS® protocols in head, field or rail mount styles and a variety of enclosure options. By adding a Local Operator Interface (LOI), you can update your transmitter configuration in the field without tools. For diverse application requirements, this transmitter includes diagnostic capabilities, such as Hot Backup™ capability, sensor drift alert and thermocouple degradation.

Specifications：

Accuracy	±0.10°C (±0.18°F)
Stability	5-year stability
Warranty	12/18 months, 3-year or 5-year limited warranty options
Input	Dual and single sensor capability with universal sensor inputs (RTD, T/C, mV, ohms)
Output Signal	4-20 mA /HART® protocol, FOUNDATION™ fieldbus protocol, PROFIBUS® PA protocol
Housing	Field mount, DIN A head mount or rail mount
Display/Interface	LCD Display or LCD Display with Local Operator Interface (LOI)
Diagnostics	Basic diagnostics, Hot Backup™ capability, sensor drift alert, thermocouple degradation, min/max tracking
Calibration Options	Transmitter-sensor matching (Callendar-Van Dusen constants), 5-point calibration
Certifications/Approvals	SIL 2/3 certified to IEC 61508 by an independent 3rd party, hazardous location, marine type, see full specs for complete list of certifications