Yokogawa EJA110A Differential Pressure Transmitter

  • Brand   Yokogawa
  • Type   Yokogawa EJA110A
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Introduction


The high performance Yokogawa differential pressure transmitter model EJA110A can be used to measure liquid, gas, or steam flow as well as liquid level, density and pressure. It outputs a 4 to 20 mA DC signal corresponding to the measured differential pressure. The EJA Series is available with BRAIN, HART, FOUNDATION fieldbus or PROFIBUS PA communication protocols.

Features of Yokogawa EJA110A Differential Pressure Transmitter

Excellent performance and stability:

The EJA series uses a formed from monocrystal silicon, a perfect material which has no hysteresis in pressure or temperature changes. The sensor minimizes overpressure, temperature change, and static pressure effects, and thus offers unmatched long-term stability.

Compact and light-weight design

Half the weight of conventional models thanks to miniaturization of the casing with the amplifier ASIC, pressure cell structure, and flange. The ASIC uses the minimum number of parts and improves the reliability of the amplifier.

Fieldbus communication capability

Fieldbus is a digital two-way communication system. It is a revolutionary technology for configuring instrumentation control systems and a promising successor to the standard 4 to 20 mA analog communication used in most field instruments today.

Output:Two wire 4 to 20 mA DC

Yokogawa EJA series offers two types of fieldbus models, FOUNDATION fieldbus Low Voltage Mode and PROFIBUS PA devices, which ensure interoperability between Yokogawa and other manufactures. As for software, the EJA series incorporates two AI function blocks that compute differential and static pressures to allow flexible configuration of instrumentation

YOKOGAWA Pressure Transmitter EJA Series

- EJA110A Differential Pressure Transmitter

- EJA210A Draft Range Differential Pressure Transmitter

- EJA310A High Static Differential Pressure Transmitter

- EJA210 / EJA220A Flange Mounted Differential Pressure Transmitter

Specifications of Yokogawa EJA110A Differential Pressure Transmitter

Yokogawa EJA110A Differential Pressure Transmitter

L Capsule

M Capsule

H Capsule

V Capsule

Range

-10 to 10 kPa
(-40 to 40 inH2O)

-100 to 100 kPa
(-400 to 400 inH2O)

-500 to 500 kPa
(-2000 to 2000 inH2O)

-0.5 to 14 MPa
(-70 to 2000 psi)

Span

0.5 to 10 kPa
(2 to 40 inH2O)

1 to 100 kPa
(4 to 400 inH2O)

5 to 500 kPa
(20 to 2000 inH2O)

0.14 to 14 MPa
(20 to 2000 psi)

Accuracy

±0.075%

±0.065%

±0.065%

±0.065%

Degrees of protection

IP67, NEMA 4X, and JIS C0920 immersion proof

Certificates

FM, CENELEC ATEX, CSA, IECEx

Output

4 to 20 mA DC, FOUNDATION™ fieldbus or PROFIBUS PA 2-wire system with digital communication

Supply voltage

BRAIN and HART:10.5 to 42 V DC (10.5 to 30 V DC for Intrinsically safe type)
Fieldbus:9 to 32 V DC (9 to 24 V DC for Entity model and 9 to 17.5 V DC for FISCO model)

Ambient temperature

-40 to 85 deg C (-40 to 185 deg F) (general use type)
-30 to 80 deg C (-22 to 176 deg F) (with integral indicator)

Process temperature

-40 to 120 deg C (-40 to 248 deg F) (general use type)

Maximum working pressure

16MPa(2300psi)
3.5MPa(500psi) for L capsule with special materials

Mounting

2-inch pipe mounting

Wetted parts material

Capsule

SUS316L(Diaphragm material is Hastelloy C-276),
Hastelloy C-276, Tantalum, Monel

Cover flange

SUS316, Hastelloy C-276, Monel

Housing

Cast aluminum alloy or SUS316 equivalent stainless steel (optional)

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