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EJA440A-DCS4A-92DA

The Yokogawa EJA440A-DCS4A-92DA is a high-performance, flange-mounted differential pressure transmitter from the flagship EJA-E Series. It is engineered for highly accurate measurement of liquid level, density, and differential pressure in demanding industrial processes such as those found in oil & gas, petrochemical, power, and water treatment plants.

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Parameter Category Specification Details
Model Code EJA440A-DCS4A-92DA
Product Line EJA-E Series Differential Pressure Transmitter
Measurement Type Differential Pressure (DP)
Mounting Style Standard Flange Mount (4-inch / 100 mm flange)
Process Connection 3-inch (75 mm) ANSI 150# Flanges
Output Signal 4-20 mA DC, two-wire with HART® 7 protocol
Communication HART 7 (FSK)
Power Supply 10.5 to 42 V DC (Standard, HART communication requires ≥ 16 V DC)
Accuracy ±0.04% of calibrated span (Includes hysteresis, repeatability, and terminal point linearity)
Sensor Technology Single-crystal Silicon Resonant Sensor
Adjustment Zero and Span adjustments via local buttons or HART communicator
Display Optional (Not standard, can be added as a separate option like -J or -JA)
Electrical Connection 1/2-14 NPT conduit connection
Housing Material Aluminum alloy or Stainless Steel (SS316) (Specified by option code)
Flange Material Stainless Steel (SUS316)
O-ring Material Fluorocarbon Rubber (Standard)
Diaphragm Material SUS316L (Standard)
Protection Rating IP67 (NEMA 4X) as standard
Safety Certifications CE, SIL 2 (Functional Safety) compliant (Specific certifications depend on ordered options)