Yokogawa EJA220A Flange Installation Pressure Transmitter

General Description

The Yokogawa EJA220A is an advanced differential pressure transmitter that measures liquid levels, densities, and pressures across diverse industrial environments. Its extended flange design makes it suitable for applications where space and precise measurements are critical. Utilizing DPharp digital sensor technology, the EJA220A ensures exceptional accuracy and stability.

Technical Specifications

l Accuracy: ±0.075%

l Stability: ±0.1% over 5 years

l Output Signal: 4 to 20 mA DC with digital communication (BRAIN, HART, FOUNDATION Fieldbus)

l Process Connection: Extended flange type (4-inch)

l Weight: Approximately 16.1 kg (35.5 lb)

l Protection Rating: IP67, NEMA 4X

l Wetted Parts Materials: Hastelloy C-276 diaphragm, SUS316 for other components

Features

l High Performance and Stability: The monocrystal silicon sensor minimizes hysteresis and offers long-term stability.

l Extended Flange Design: Facilitates versatile installation options in tight spaces.

l Fieldbus Communication Capability: Supports advanced digital communication protocols for flexible instrumentation configurations.

l Rugged Construction: Built to withstand harsh industrial conditions, ensuring durability and reliability.

Yokogawa EJA220A Applications

The EJA220A is widely used in:

A. Oil and gas industries for level measurement

B. Chemical processing plants

C. Water treatment facilities

D. Food and beverage manufacturing

Yokogawa EJA220A Installation Procedure Step by Step

1. Select Installation Location: Ensure compliance with safety regulations.

2. Prepare the Mounting Surface: Clean and level the surface where the transmitter will be mounted.

3. Attach the Transmitter: Securely mount the EJA220A using appropriate bolts.

4. Connect Impulse Piping: Install impulse piping to connect the transmitter to the processing system.

5. Wiring Connections: Follow the wiring diagram provided in the user manual.

6. Zero Point Adjustment: Adjust the zero point as per manufacturer specifications.

7. Testing: Conduct functional tests to verify proper operation before full-scale deployment.

Yokogawa EJA220A Related Part Numbers

l EJA210A (Flush type)

l EJX220A (Fieldbus version)

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