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EJA110CA-EMS5A-92DA/NS1

The Yokogawa EJA110A-EMS5A-92DA/NS1 is a high-performance differential pressure (DP) transmitter from the EJA-E Series. It is primarily designed for measuring flow using orifice plates, nozzles, or Venturi tubes, but is also widely used for filter monitoring, liquid level measurement in closed tanks, and other applications requiring differential pressure measurement.

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Parameter Category Specification Details
Model Code EJA110A-EMS5A-92DA/NS1
Product Line EJA-E Series Differential Pressure Transmitter
Measurement Type Differential Pressure (DP)
Key Feature Integrated 5-Valve Manifold (EMS5A)
Mounting Style Direct Mount (with integral 1/2-14 NPT threads and manifold)
Process Connection 1/2-14 NPT female (High & Low pressure sides)
Output Signal 4-20 mA DC, two-wire with HART® 7 protocol
Output Function (√X) Square Root Extraction (/NS1). Output is linear to flow rate.
Power Supply 10.5 to 42 V DC (HART communication requires ≥ 16 V DC)
Accuracy ±0.04% of calibrated span (for DP, excludes square root error)
Sensor Technology Single-crystal Silicon Resonant Sensor
Adjustment Zero and Span adjustments via local buttons or HART communicator
Display Optional (Likely specified within the -92DA package)
Electrical Connection 1/2-14 NPT conduit connection
Housing Material Aluminum alloy or Stainless Steel (SS316) (Specified by -92DA)
Wetted Parts Material SUS316L (Standard)
O-ring Material Fluorocarbon Rubber (Standard)
Manifold Integrated 5-valve manifold (Block, Equalize, 2 Vent/Test valves)
Protection Rating IP67 (NEMA 4X) as standard
Safety Certifications CE, SIL 2 compliant