Những lợi ích và ưu điểm chính
Enhanced Process Media Isolation: The remote diaphragm seal serves as a robust barrier between the process fluid and the transmitter’s sensing element. Connected via fluid-filled capillaries, this system allows for accurate pressure measurement in applications where direct contact would cause clogging, corrosion, or heat damage to the sensor.
Minimized Installation and Infrastructure Costs: As a wireless device, the EJX438B significantly reduces the total cost of ownership by eliminating the need for hard-wiring, conduit, and cable trays. This is particularly beneficial for large-scale tank farms, offshore platforms, or hazardous areas where traditional wiring is difficult or unsafe to install.
Secure and Reliable Wireless Networking: Compliant with the ISA100.11a standard, the EJX438B provides secure, bi-directional communication. It transmits process variables as well as configuration parameters, ensuring that the device can be fully managed remotely within a secure industrial wireless ecosystem.
Ultra-Low Current Consumption: Engineered with a long-life battery design, the transmitter utilizes two high-capacity lithium-thionyl chloride batteries. This high-efficiency architecture allows the EJX438B to operate autonomously for several years, ensuring consistent data availability with minimal maintenance requirements.
Flexible Data Publishing Rates: The transmitter allows for selectable update times ranging from 0.5 seconds to 60 minutes. This allows operators to optimize the device for high-speed process control or for energy-saving bulk inventory monitoring, depending on the specific application needs.
Versatile Mounting Options: The diaphragm seal system allows the transmitter to be mounted at a distance from the process connection. This flexibility is ideal for measuring pressure in high-vibration areas or on elevated tanks where a local display needs to be positioned at eye level for maintenance teams.
Đặc tính kỹ thuật
Operation: Wireless gauge pressure measurement with remote diaphragm seal isolation.
Wireless Protocol: ISA100.11a protocol specifications compliant.
Service: Measurement of Liquid, Gas, and Steam (Pressure, Level, Flow, and Density).
Power Source: Two high-capacity lithium-thionyl chloride (Li-SOCl2) batteries.
Update Time: Selectable from 0.5 seconds up to 60 minutes.
Configuration: Secure infrared (IR) configuration and wireless remote parameter management.
Seal Type: Remote diaphragm seal connected via capillaries.
Accuracy and Stability: Powered by Yokogawa’s DPharp silicon resonant sensor technology.
Lĩnh vực ứng dụng
The EJX438B is the preferred choice for wireless gauge pressure measurement where process media must be isolated and hard-wiring is impractical.
Các ngành công nghiệp và ứng dụng chính:
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Refining and Petrochemical: Monitoring pressure and level in high-temperature distillation columns and asphalt storage tanks.
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Food and Beverage: Hygienic pressure monitoring in large mixing vessels and fermentation tanks where remote mounting is required.
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Oil and Gas: Tracking separator pressures and tank levels on remote, unmanned production sites.
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Chemical Manufacturing: Measuring pressure in reactors handling corrosive acids or polymers that solidify at ambient temperatures.
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Pharmaceutical: Managing pressure in vacuum drying and sterile evaporation processes with remote sensing needs.
