Emerson Rosemount 644
Output: HART 4-20 mA
5-Year Limited Warranty
Delivery Time:2-4 Weeks
Warranty Period: One Year
Package Size:20*18*12 CM
Product Introduction
Emerson Rosemount 644 is a high-precision, versatile temperature transmitter designed primarily for temperature measurement and control in a variety of industrial automation processes. It can measure many types of temperature signals, such as thermocouple, thermal resistance and voltage signals, and convert these signals into standard signal outputs that can be read and controlled at PLC, DCS or other control systems.
Emerson Rosemount is a company specializing in the research, development, production and distribution of industrial automation technologies. The 644 intelligent temperature transmitter produced by the company is a high-performance temperature measuring instrument.
Product Features
The product uses a new circuit design, so that the output signal is more accurate, better stability. At the same time, also has a variety of self-diagnosis functions, can automatically detect the fault and repair the corresponding. These characteristics make this product have higher reliability and security.
Technical Parameters
The device's sensor temperature measurement range is from -200 ℃ to +1,200 ℃. The type of sensor used (such as thermocouple, thermal resistance, etc.) can be selected according to user requirements. At the same time, the device also has a variety of input and output interfaces, as well as RS485 communication interface, can be easily connected with other devices.
Application Fields
The product is widely used in chemical, metallurgical, electric power, pharmaceutical and other industries in temperature measurement field. For example, in the petrochemical industry, precise temperature control is needed to ensure product quality and safety. In the process of iron and steel smelting, it is necessary to adjust the production technology according to the temperature changes of different links.
Key Components
Wiring terminal | connect power cables and signal cables. |
Sensor port | connect different types of temperature sensors. |
Display screen | displays the working state and output value of the transmitter. |
Operation panel | Set and configure the parameters of the transmitter. |
Signal processor | Process the temperature signal measured by the sensor, and convert the processed signal into a standard electrical signal output. |
Power module | Provides stable power to the transmitter. |
Communication interface | Support a variety of communication protocols, such as HART, FOUNDATION Fieldbus, etc. |
Rosemount temperature transmitters are available as 248 temperature transmitters, emerson rosemount 644 temperature transmitters and 3144P temperature transmitters. The temperature transmitter is composed of a temperature probe (PT100 thermocouple or thermal resistance sensor) temperature module and a two-wire or four-wire electronic unit. The temperature probe is installed directly in the junction box in the form of a solid module, to form an integrated transmitter. Rosemount temperature transmitter is divided into PT100 thermal resistance and thermocouple type, installation is top installation and rail installation.
Installation Requirements
1. Before installation, check whether the sensor head and impedance are consistent.
2. Avoid installation in vibration, electromagnetic interference, high temperature, humidity, corrosion and other environments.
3. The installation should pay attention to avoid stretching, compression and bending deformation.
4. Check the electrical interface and signal transmission line between the sensor and the instrument before installation.
Maintenance Requirements
1. Check the working state of the transmitter regularly to maintain good operation.
2. Clean the dirt on the sensor head to avoid affecting the measurement accuracy of the sensor.
3. Periodically calibrate the sensor to ensure its measurement accuracy.
4. Keep the transmitter energized to avoid aging capacitor components.
5. Follow the installation and operation instructions of Rosemount 644 temperature transmitter to keep it working properly.
Emerson Rosemount 644 Intelligent temperature transmitter helps users achieve more accurate and safe temperature measurement and control.
Such as heating furnace control, reactor control, heat exchanger control, boiler temperature control. Its high precision stability, reliability and durability are widely recognized by the industry.
Real-life Customer’s Case
In order to ensure the stability of production quality, a special chemical should be controlled by constant temperature in the production process of a petrochemical enterprise. In the automated control system, they used a Emerson Rosemount 644 temperature transmitter to measure the temperature of the chemical and output it to the PLC control system for control. After a long period of use, the company is very satisfied with the performance of the Rosemount 644 temperature transmitter. By verifying the measuring accuracy, response speed, reliability and stability of the transmitter, they successfully controlled the temperature of the chemical and ensured the production quality. At the same time, Rosemount provides professional technical support and maintenance services, also assisting the enterprise in the use of timely support and protection.
Hot Tags: emerson rosemount 644, China emerson rosemount 644 manufacturers, suppliers, factory, Emerson Rosemount 3144p, Rosemount 2051cg, Rosemount 644 Transmitter, 3051c Rosemount Coplanar Transmitter, Rosemount 248 Transmitter, Rosemount 2088 Gauge Pressure Transmitter
Next: Emerson Rosemount 3144p
Send Inquiry
You Might Also Like
