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-717DK/FS1/D4/X2/A/HC
• 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 (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 : 7 = Vertical piping, left side high pressure, and process connection downside
• Amplifier housing : 1 = Cast aluminum alloy
• Electrical connection : 7 = 1/2 NPT female, two electrical connections and a blind plug
• Integral indicator : D = Digital indicator
• Mounting bracket : K = 316 SST or SCS14A 2-inch pipe mounting, L type (for vertical piping)
• Factory Mutual (FM) : FS1 = FM Intrinsically safe Approval *1*2 Applicable Standard: FM3600, FM3610, FM3611, FM3810 Intrinsically Safe for Class I, Division 1, Groups A, B, C & D, Class II, Division 1, Groups E, F & G and Class III, Division 1, Class I, Zone 0, in Hazardous Locations, AEx ia IIC Nonincendive for Class I, Division 2, Groups A, B, C & D, Class II, Division. 2, Groups F & G, Class I, Zone 2, Group IIC, in Hazardous Locations Enclosure: Type 4X, Temp. Class: T4, Amb. Temp.: –60 to 60°C (–75 to 140°F) Intrinsically Safe Apparatus Parameters [Groups A, B, C, D, E, F and G] Vmax=30 V, Imax=200 mA, Pmax=1 W, Ci=6 nF, Li=0 µH [Groups C, D, E, F and G] Vmax=30 V, Imax=225 mA, Pmax=1 W, Ci=6 nF, Li=0 µH
• Calibration units : D4 = M calibration (kgf/cm2 unit)
• Painting Coating change : X2 = Anti-corrosion coating
• Lightning protector : A = Transmitter power supply voltage: 10.5 to 32 V DC (10.5 to 30 V DC for intrinsically safe type.) Allowable current: Max. 6000 A (1×40 µs), Repeating 1000 A (1×40 µs) 100 times Applicable Standards: IEC 61000-4-4, IEC 61000-4-5
• 316 SST exterior parts : HC = 316 SST zero-adjustment screw and setscrews

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