Differential Pressure Transmitter Yokogawa EJX118A
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 flled with fll fluid.
EJX118A Diaphragm Sealed Differential Pressure Transmitters can be used to measure liquid, gas, or steam flow, as well as liquid level, density, and pressure. EJX118A 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 diagnostics and optional status output for pressure high/low alarm. The multi-sensing technology provides the advanced diagnostic function to detect such abnormality as an impulse line blockage.
FOUNDATION Fieldbus and PROFIBUS PA protocol types are also available. All EJX series models in their standard confguration, with the exception of the Fieldbus and PROFIBUS types, are certifed by TÜV as complying with SIL 2 for safety requirement.
SPECIFICATIONS
| |
EJX118A Diaphragm Sealed Differential Pressure Transmitter |
| |
M Capsule |
H Capsule |
| Range |
-100 to 100 kPa |
-500 to 500 kPa |
| (-400 to 400 inH2O) |
(-2000 to 2000 inH2O) |
| Span |
2 to 100 kPa |
10 to 500 kPa |
| (8 to 400 inH2O) |
(40 to 2000 inH2O) |
| Accuracy |
±0.15% |
±0.15% |
| Degrees of protection |
IP67, NEMA 4X, and JIS C0920 immersion proof |
| Certificates |
FM, CENELEC ATEX, CSA, IECEx |
| Output |
4 to 20 mA DC or FOUNDATION™ fieldbus, 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 and 9 to 17.5 V DC for FISCO) |
| Ambient temperature |
-40 to 60 deg C (-40 to 140 deg F) (general use type) |
| -30 to 60 deg C (-22 to 140 deg F) (with integral indicator) |
| It must be within the fill fluid operating temperature range. |
| Process temperature |
-50 to 310 deg C (-58 to 590 deg F) |
| It must be within the fill fluid operating temperature range. |
| Maximum working |
Flange rating pressure |
| pressure |
| Mounting |
Transmitter: 2-inch pipe mounting |
| Diaphragm seals: flange mounting |
| Process flange size |
Flush type: |
3-inch (80 mm), 2-inch (50 mm), |
| 1 1/2-inch (40 mm) |
| Extended type: |
4-inch (100 mm), 3-inch (80 mm) |
| Combination |
4-inch (100 mm) for extended high side, |
| type: |
3-inch (80 mm) for flush low side |
| Diaphragm material |
SUS316L, Hastelloy C-276, Tantalum, Titanium |
| Process flange material |
S25C, SUS304, SUS316 |
| Housing |
Cast |
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We mainly supply Yokogawa flow meters, Emerson 475 field communicator, Emerson AMS Trex Device communicator, Siemens pressure transmitter, Honeywell transmitter, and the Honeywell BW gas analytics.
Wuhan Xieyuan Automation Equipment Co., Ltd
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