Field Instruments

General

The high performance differential pressure transmitter EJX110A features single crystal silicon resonant sensor and is suitable to measure liquid, gas, or steam fl ow as well as liquid level, density and pressure. EJX110A outputs a 4 to 20 mA DC signal corresponding to the measured differential pressure. Its highly accurate and stable sensor can also measure the static pressure which can be shown on the integral indicator or remotely monitored via BRAIN or HART communications. Other key features include quick response, remote set-up using communications, diagnostics and optional status output for pressure high/low alarm. The multi-sensing technology provides the advanced diagnostic function to detect such abnormalities as an impulse line blockage or heat trace breakage. FOUNDATION Fieldbus and PROFIBUS PA protocol types are also available. All EJX series models in their standard configuration, with the exception of the Fieldbus and PROFIBUS types, are certified as complying with SIL 2 for safety requirement.

Specifications

• Make: Yokogawa
• Model: EJX110A-EMS4G-912EB/KU21
• Product Type : Differential Pressure Transmitter
• Output signal : E = 4 to 20 mA DC with digital communication (HART 5 protocol)
• Measurement span (capsule) : M = 0.5 to 100 kPa (2 to 400 inH2O)
• Wetted parts material : S = Cover flange and process connector ASTM CF-8M *1, Capsule Hastelloy C-276 *2 (Diaphragm)F316L SST, 316L SST (Others), Capsule gasket Teflon-coated 316L SST, Vent/Drain plug 316 SST
• Process connections : 4 = with 1/2 NPT female process connector
• Bolts and nuts material : G = 316L SST
• Installation : 9 = Horizontal piping and left side high pressure
• Amplifier housing : 1 = Cast aluminum alloy
• Electrical connection : 2 = 1/2 NPT female, two electrical connections without blind plugs
• Integral indicator : E = Digital indicator with the range setting switch (push button)
• Mounting bracket : B = 304 SST 2-inch pipe mounting, flat type (for horizontal piping)

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