Rosemount™ 644 temperature transmitter

Rosemount 644 temperature transmitters are versatile and available using HART™, FOUNDATION™ Fieldbus or PROFIBUS™ protocols, with top, field or rail mount styles and multiple housing options. By adding a Local Operator Interface (LOI), the transmitter configuration can be updated in the field without tools. The transmitter also includes diagnostic functions such as Hot Backup™, sensor drift warning and thermocouple performance degradation to meet different application requirements.

Rosemount™ 644 Temperature Transmitter Specifications:

1. Inputs Support universal sensor inputs (RTD, T/C, mV, ohms) for single or dual sensor assemblies
2. Output signal 4-20 mA /HART™ protocol, FOUNDATION™ fieldbus protocol, PROFIBUS™ PA protocol
3. Housing field mount, DIN A head mount or rail mount
4. Display/Interface LCD display with Local Operator Interface (LOI) LCD display
5. Diagnostics Basic diagnostics, Hot Backup™ function, sensor drift warning, thermocouple aging, min/Max tracking
6. Calibration option transducer-sensor matching (Callender-Van. Doussen constant), 5- point calibration
7. Certification/Certification Independent third party certified to SIL 2/3 according to IEC 61508, hazardous Places, ship type.

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Rosemount™ 644 Temperature Transmitter Features:

1. A versatile temperature transmitter with HART™, FOUNDATION™ Fieldbus or PROFIBUS™ protocols.
2. A variety of housing selection, to achieve a variety of installation configurations, including top, field or rail installation.
3. The LOI option eliminates the need for special configuration tools (e.g., field hand operators) for ease of use.
4. The transmitter - sensor meets the Callendar-Van Dusen constant matching, reducing the total measurement error.
5. The Hot Backup™ function and sensor drift warning feature dual sensors to ensure measurement integrity.
6. The thermocouple aging diagnosis function can monitor the health of the thermocouple and prevent the failure caused by aging.
7. Minimum and maximum temperature tracking can monitor temperature limits for easy troubleshooting.
8. The device dashboard can be used as a concise interface to simplify device configuration and perform diagnostic troubleshooting.

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Contact Us:

Shaaxi ZYY is an expert instrument organization gaining practical experience in the deals of top brands like Emerson Rosemount, Yokogawa, Endress+Hauser (E+H), Fisher, Honeywell, ABB, Siemens, and that's only the tip of the iceberg. With more than 10 years of involvement as a provider, we offer an extensive variety of item models and are focused on giving proficient answers for our clients. For more item evaluating data or to talk about your particular requirements, please contact us at lm@zyyinstrument.com. We look forward to serving you.

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