فارسی
- Rosemount 644
- Temperature Transmitter
- Input :Dual and single sensor capability with universal sensor inputs (RTD, T/C, mV, ohms)
- Output : 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), custom trim
- Certifications/Approvals SIL 2/3 certified to IEC 61508 by an independent 3rd party, hazardous location, marine type
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