Yokogawa EJA210A Flange Mounted Differential Pressure Transmitters

Overview

The Yokogawa EJA210A is a high-performance differential pressure transmitter. It measures liquid level, density, and pressure in industrial applications. Part of the DPharp series, it offers exceptional accuracy and long-term stability. This model supports high static pressure while maintaining precise differential pressure measurement. It provides reliable, real-time data for process control and safety systems. The transmitter ensures robust performance in harsh environments, thanks to its rugged construction and certified protection ratings.

Technical Specifications

• Measurement Type: Differential Pressure

• Static Pressure Limits: Up to 16 MPa (2300 psi)

• Measurement Span:

• L Range: 1 to 100 kPa (4 to 400 inH₂O)

• M Range: 0.1 to 14 MPa (1.45 to 2000 psi)

• Output Signal: 4 to 20 mA DC with HART 5 or HART 7 protocol

• Accuracy: ±0.2% of span

• Stability: ±0.2% of URL for 10 years

• Diaphragm Material: Hastelloy C-276, Tantalum, or others

• Flange Material: SUS316, Hastelloy C-276, Monel, or others

• Process Connection: 3-inch or 4-inch flange

• Protection Rating: IP67, NEMA 4X

• Explosion Protection: FM, ATEX, IECEx, and other certifications

• Operating Temperature: -40 to 85°C (-40 to 185°F)

• Sensor Technology: DPharp (Digital Resonant Pressure Sensor)

• Reference Accuracy: ±0.075% of span

• Long-Term Stability: ±0.1% of URL per 5 years

• Span Range: 4 to 400 inH₂O (M capsule), 20 to 2000 inH₂O (H capsule)

• Zero Adjustment: External zero adjustment with 0.01% resolution

• Failure Alarm: Configurable upscale (≥21.6 mA) or downscale (≤3.2 mA)

• Power Supply: 21.6 to 32 V DC

• Ambient Temperature Range: –40°C to +85°C

• Static Pressure Limit: Up to flange rating