1. Description
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 Transmitter capabilities, including diagnostics, safety certification, integral transient protection, and display options.
2. Specifications
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
Housing: Dual-compartment field 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
3. How to order
