The Rosemount 644 Temperature Transmitter is available with FOUNDATION™ Fieldbus or PROFIBUS® protocols in head, HART®, field or rail mount styles, and diverse enclosure options. The transmitter configuration can be easily updated by adding a Local Operator Interface (LOI). This transmitter meets diverse application requirements through its advanced diagnostic capabilities such as sensor drift alert, thermocouple degradation, and Hot Backup™ capability.
Complete Model Number
Specification
Rosemount 644 Temperature Transmitters
Input
Dual and single sensor capability with universal sensor inputs (RTD, T/C, mV, ohms)
Accuracy
±0.10°C (±0.18°F)
Output
4-20 mA with digital signal based on HART Protocol
FOUNDATION™ fieldbus protocol, PROFIBUS® PA protocol
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
Ohms
Housing
Field mount, DIN A head mount or rail mount
Resources
Recently Configured Model Number
Model Number | Transmitter Type | Measurement Type | Pressure Range/Span | Brand | Category | Availability | RFQ |
---|---|---|---|---|---|---|---|
644D | Temperature Transmitter | Rosemount | Temperature Transmitters | Yes | RFQ | ||
644DAK5DCR2A1Q4QTHR5 | Temperature Transmitter | Rosemount | Temperature Transmitters | Yes | RFQ | ||
644F | Temperature Transmitter | Rosemount | Temperature Transmitters | Yes | RFQ | ||
644FAE5M5 | Temperature Transmitter | Rosemount | Temperature Transmitters | Yes | RFQ | ||
644FANADA1B5M4XA | Temperature Transmitter | Rosemount | Temperature Transmitters | Yes | RFQ | ||
644FANAS1M5HR5 | Temperature Transmitter | Rosemount | Temperature Transmitters | Yes | RFQ | ||
644HA | Temperature Transmitter | Rosemount | Temperature Transmitters | Yes | RFQ | ||
644HAE5J6F6 | Temperature Transmitter | Rosemount | Temperature Transmitters | Yes | RFQ | ||
644HAE5J6M5 | Temperature Transmitter | Rosemount | Temperature Transmitters | Yes | RFQ | ||
644HAI1 | Temperature Transmitter | Rosemount | Temperature Transmitters | Yes | RFQ |
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