Flange Mounted Differential Pressure Transmitter

Flange Mounted Differential Pressure Transmitter
Product Details

Yokogawa Eja210A and Eja220A Flange Mounted Differential Pressure Transmitter 


Excellent performance and stabilityThe EJA210A and EJA220A liquid level transmitter uses a silicon resonant sensor 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 designHalf 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 capabilityFieldbus 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.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.

Specifications :

 Yokogawa EJA210A / EJA220A
Liquid Level Differential Pressure Transmitter

M CapsuleH Capsule
Range-100 to 100 kPa
(-400 to 400 inH2O)
-500 to 500 kPa
(-2000 to 2000 inH2O)
Span1 to 100 kPa
(4 to 400 inH2O)
5 to 500 kPa
(20 to 2000 inH2O)
Accuracy±0.2%±0.2%
Degrees of protectionIP67, NEMA 4X, and JIS C0920 immersion proof
CertificatesFM, CENELEC ATEX, CSA, IECEx
Output4 to 20 mA DC or FOUNDATION™ fieldbus or PROFIBUS PA 2-wire system with digital communication
Supply voltageBRAIN 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 pressureFlange rating pressure
MountingFlange mounting
Process flange sizeEJA210A: 3-inch (80mm), 2-inch (50mm)
EJA220A: 4-inch (100mm), 3-inch (80mm)

Diaphragm material
(High side)
SUS316L, Hastelloy C-276, Tantalum
Process flange materialS25C, SUS304, SUS316
HousingCast aluminum alloy or SUS316 equivalent stainless steel (optional


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