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EJA430A S2 DAS4A-97DA

The Yokogawa EJA430A S2 DAS4A-97DA is a high-performance Absolute Pressure (AP) transmitter from the EJA-E Series. It is designed for highly accurate and stable measurement of absolute pressure in a wide range of industrial processes, including chemical, pharmaceutical, power, and oil & gas applications.

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Parameter Category Specification Details
Model Code EJA430A S2 DAS4A-97DA
Product Line EJA-E Series Pressure Transmitter
Measurement Type Absolute Pressure (AP)
Key Feature Remote Diaphragm Seal System (S2)
Mounting Style The transmitter body can be surface or pipe-mounted. The remote seals are flange-mounted.
Process Connection (Seals) DIN/EN Flanges (Specific size and rating, e.g., DN50 PN16/40, is defined by the DAS4A code).
Output Signal 4-20 mA DC, two-wire
Communication Protocol BRAIN or HART® (The specific protocol is determined by the -97DA option package).
Power Supply 10.5 to 42 V DC (Standard; BRAIN/HART communication requires a sufficient voltage, typically ≥ 16 V DC)
Accuracy ±0.2% of calibrated span (Accuracy includes the transmitter and is derated by the seal system. The specific impact depends on capillary length and fill fluid).
Sensor Technology Single-crystal Silicon Resonant Sensor
Adjustment Zero and Span adjustments via local buttons or a communicator (BRAIN or HART)
Display Optional (Likely specified within the -97DA package)
Electrical Connection 1/2-14 NPT conduit connection
Housing Material Aluminum alloy or Stainless Steel (SS316) (Specified by option code)
Diaphragm Material (Seal) Typically Hastelloy C-276, Tantalum, or SUS316L (Specified by option code)
Fill Fluid Silicone Oil, Halocarbon Oil, etc. (Selected based on process temperature compatibility; specified by option code)
Capillary Stainless steel, length specified when ordered (e.g., 1m, 3m, 5m)
Protection Rating IP67 (NEMA 4X) as standard for the transmitter body
Safety Certifications CE, SIL 2 compliant (Specific certifications depend on ordered options)