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Rosemount 644 Temperature Transmitter
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.
The most versatile temperature transmitter Reduce complexity and simplify the day-to-day operations of your diverse temperature applications with the versatile Rosemount 644 family of temperature transmitters. Make better decisions for your process with the new and easy-to-use Rosemount 644 Temperature Transmitter capabilities, including: diagnostics, safety certification, integral transient protection, and display options.
Specifications
- Input: Dual and single sensor capability with universal sensor inputs (RTD, T/C, mV, ohms)
- Output: Signal4-20 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
Application
- pH control in Lautering Tun & Brew Kettle
- Measurement Solutions for Safe Storage of Pressurized Liquefied Gas
- Level Measurement for Liquefied Petroleum Gas (LPG) Tanks
- Tank level measurement and inventory control in palm oil milling
