644 Temperature Transmitter - SPECIFICATIONS

644 Temperature Transmitter - SPECIFICATIONS
by Rosemount

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, LCD Display with Local Operator Interface (LOI), or LED
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