Xi'an Xinyi Instrument Technology Co., Ltd.
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Rosemount 644 Intelligent Temperature Transmitter with Digital Display
Rosemount™ 644 Temperature Transmitter
The Rosemont @644@temperature transmitter is versatile and can be used using the @Hart ®, FOUNDATION™ @Fieldbus or @Profibus ®@ protocols, with top, field or track mounting styles and a variety of housing options. By adding the local operator interface @(LOI), the transmitter configuration can be updated on the spot without tools. The transmitter also includes @hot-@Backup ™, sensor drift warning, and thermocouple performance degradation diagnostics to address different application requirements.
Specification
| item | value |
| Product Name | 644 Temperature Transmitter |
| Model | Rosemount 644 |
| Output | 4-20MA |
| Housing | Field mount, DIN A head mount or rail mount |
| Display/Interface | LCD Display, LCD Display with Local Operator Interface |
| Calibration Options | Transmitter-sensor matching |
| Certifications | SIL 2/3 certified to IEC 61508 by an independent 3rd party |
Product features
1. High precision: Adopting advanced digital signal processing technology, it can ensure high-precision temperature measurement and signal output.
2. Multiple temperature measurement methods: Supports multiple temperature sensor interfaces, including thermocouples, RTDs, and linear resistors.
3. Programmable functions: Support various programmable functions such as parameter configuration, linearization, alarm, etc., to meet the needs of different application scenarios.
4. Communication interface: With multiple communication interfaces (such as Hart, FOUNDATION fieldbus, PROFIBUS PA, etc.), it is convenient for users to manage and monitor.
5. High reliability: Using high-quality materials and advanced manufacturing processes, ensuring products have high reliability and long lifespan, and can adapt to complex working environments and harsh weather conditions.
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