YOKOGAWA EJA118E DP Transmitter with Remote Diaphragm Seals

Yokogawa Eja118e Differential Pressure Transmitter with Remote Diaphragm Seals

Product Description
Yokogawa Eja118e Differential Pressure Transmitter with Remote Diaphragm Seals
YOKOGAWA EJA118E Diaphragm Sealed Differential Pressure Transmitter
Diaphragm seals are used to prevent process medium form entering directly into the pressure-sensing  assembly of the differential pressure transmitter, they  are connected to the transmitter using capillaries filled 
with fill fluid.
EJA118E Diaphragm Sealed Differential Pressure Transmitters can be used to measure liquid, gas, or steam flow, as well as liquid level, density, and 
pressure. EJA118E 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, and self-diagnostics.
FOUNDATION Fieldbus, PROFIBUS PA and 1 to 5 V DC with HART (Low Power) protocol types are also available. EJA-E series models in their standard configuration, with the exception of the Fieldbus, PROFIBUS and Low Power types, are certified
Features
Yokogawa Eja118e Differential Pressure Transmitter with Remote Diaphragm Seals
The EJA-E series of transmitters is Yokogawa's most recent evolution of the DPharp family. Released in 2012, it combines the ruggedness and success of the work-horse EJA-E series with the performance of the thoroughbred EJX-A series to deliver the type of product you have come to expect from Yokogawa.
The EJA118E is a Differential Pressure Transmitter with remote diaphragm seals.
EJA118E features include:
± 0.2% Accuracy
200 ms Response Time
Exida and TUV SIL2 / SIL3 Certified
Local Parameter Setting (LPS)
10-segment Signal Characterizer
Active Capillary Fill Fluid Density Compensation
Yokogawa Eja118e Differential Pressure Transmitter with Remote Diaphragm Seals
Applications
Flow Measurement: It is suitable for measuring the flow of high - and low - temperature, high - vacuum, high - viscosity and easy - to - crystallize media. By measuring the differential pressure of the fluid in the pipeline, and combining with relevant parameters of the pipeline, the flow rate of the fluid can be calculated according to the principle of fluid mechanics, so as to realize the monitoring and control of the flow, which is widely used in chemical, petrochemical and other industries.
Level Measurement: It can measure the differential pressure at the bottom of the storage tank, and calculate the height of the liquid level according to the hydrostatic principle. It is applicable to the level measurement of various liquid storage tanks, especially for some special media such as high - viscosity and easy - to - crystallize media, which can effectively avoid the blockage of the pressure - measuring pipeline and ensure the accuracy of level measurement.
Specification
Item
valve
Type
Diaphragm-sealed differential pressure transmitter
Measuring Principle
DPharp digital sensor technology (measures differential pressure, static pressure, and temperature simultaneously for dynamic compensation)
Measurable Media
Liquids, gases, vapors, high-temperature/high-vacuum media, high-viscosity media, crystallizable media
Accuracy
±0.2% of differential pressure span
Stability
±0.2% URL/10 years
Pressure Range
- Differential pressure: 0 to 2.5 kPa (0 to 0.36 psi) up to 0 to 40 MPa (0 to 5800 psi)
- Static pressure: Up to 32 MPa (4641 psi) (depending on diaphragm material and model)
Response Time
90 ms (standard), adjustable up to 1600 ms
Output Signal
- 4–20 mA DC with HART 5/7, BRAIN protocol
- HART (1–5V DC) low-power type
- FF fieldbus
- PROFIBUS PA
Power Supply
- 10.5–42 V DC (general/explosion-proof types)
- 10.5–32 V DC (with surge arrester, option code /A)
- 10.5–30 V DC (intrinsically safe, n-type, non-flammable types)
Communication Protocols
HART 5/7, HART low-power (1–5V DC), FF fieldbus, PROFIBUS PA, BRAIN
Temperature Range
- Operating: -40°C to +120°C
- Storage: -40°C to +150°C
Temperature Effect
±(0.15% of span + 0.15% of URL) per 28°C temperature change
Protection Level
IP66/IP67, NEMA 4X
Explosion Protection
Certified for ATEX, FM, CSA, IECEx, etc.
Process Connections
- Flange types: ANSI, JIS, DIN, GB
- Diaphragm seal options: flat, flush, spud-type, etc.
Diaphragm Materials
- 316L stainless steel, Hastelloy C-276, Monel, Tantalum, etc.
- Optional PTFE/coating
Self-Diagnosis Functions
40 self-diagnosis functions (including patented real-time reverse check and DPharp active sensor failure detection)
Display
Optional built-in display: 5-digit numeric + 6-digit unit display, shows measured values, alarm codes, bar charts, etc.
Mounting
Flange-mounted (direct to process equipment)