Products Description

Rosemount 644R Temperature Transmitter is a redundant temperature measurement device designed for scenarios with high reliability requirements in industrial critical processes. Its core advantage lies in avoiding the risk of single-point failure through a dual-sensor redundancy configuration, ensuring stable and reliable temperature data collection at all times in scenarios where continuous production cannot be interrupted, such as petrochemical and power energy industries, providing key data support for process safety and efficient operation.

Core Feature:

Dual-sensor redundancy design: Equipped with two independent high-precision temperature sensors. When one sensor fails, the device can automatically switch to the backup sensor to achieve uninterrupted measurement and greatly improve the system's fault tolerance.
Intelligent fault diagnosis function: Built-in advanced diagnostic algorithms that can real-time monitor sensor status, circuit stability and communication links. Once an abnormality is detected, it will immediately alarm through on-site indicators and remote signals, facilitating maintenance personnel to quickly locate and solve problems.
Wide-range adaptability: Compatible with various types of temperature sensors such as thermocouples and resistance thermometers, and supports different installation methods. It can flexibly adapt to the temperature measurement needs of pipelines and equipment in various industrial sites, reducing the adaptation cost of equipment replacement.

Key Features:

· Designed for corrosive and wet environments

· Excellent resistance to moisture and chemicals

· Reliable performance with high signal integrity

· Simple configuration and calibration

· Compact and lightweight design

Technical Specifications:

· Input: RTD, Thermocouple

· Output: 4-20 mA

· Accuracy: ±0.15% of span

· Operating Temperature: -50°C to 100°C

· Enclosure Rating: IP68

Selling Points:

The 644R offers superior protection against corrosive elements, making it perfect for chemical processing and marine applications. Its easy setup enhances operational efficiency.