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EJA220A Flange Mounted Pressure Transmitter
Brand: Yokogawa Electric CorporationThe high performance flange mounted differential pressure transmitter models EJA210A and 220A can be used to measure levels of densities of solidifying or precipitating liquids.
Both output a 4 to 20 mA DC signal corresponding to the measured differential pressure.
Models EJA210A and 220A also feature remote setup and monitoring through communications with the BRAIN™ terminal and CENTUM CS™ or µXL™ or HART® 275 host.
Features- 0.075% Accuracy
- 0.1% Stability per 5 years
- Flush Flange Process Connection (EJA210A)
- Extended Flange Process Connection (EJA220A)
Specifications
Accuracy
- ± 0.075 % of Span (Including the Effects of Zero-based Linearity, Hysteresis, & Repeatability)
Alarm
- Down-Scale: -2.5 %, 3.6 mA DC or Less
- Down-Scale: -5 %, 3.2 mA DC or Less
- Up-Scale: 110 %, 21.6 mA DC or more
Ambient Temperature Range
- -30° to 80° C (-22° to 176° F) - with LCD Display
- -40° to 85° C (-40° to 185° F)
Approvals & Certifications
- CSA Explosion-proof & Intrinsically Safe
- EMC EN 61326-1 Class A, EN 61326-2-3
- FM Explosion-proof & Intrinsically Safe
- IEC Ex Intrinsically Safe, Typical N & Flameproof Approval
- NAMUR NE43
- PED 97/23/EC
Approvals & Certifications
- Leak Test
- Mill Certificate
- Pressure Test
BSP Connection
- 1/2" BSPT Female
- 1/4" BSPT Female
Cable Material
- Polyethylene Insulated PVC Sheathed
Communication
- BRAIN
- FOUNDATION Fieldbus
- HART
- PROFIBUS PA
Damping Adjustment
- 0.1 to 64 seconds in 9 Increments
Diaphragm Material
- 316L Stainless Steel
- Hastelloy C-276
Display
- LCD Display
Drain, Vent Valves & Plug
- 316 Stainless Steel
- ASTM Grade 316
Electrical Connectors
- 1/2" NPT Female
- DIN 19213
- G 1/2" Female
- M20 Female
- PG13.5 Female
Enclosure Finish
- Polyurethane Paint (Munsell 0.6 GY3.1/2.0)
Enclosure, Body Material
- 316 Stainless Steel
- ASTM CF-8M Stainless Steel
- Low Copper Cast Aluminum Alloy
- SCS14A Stainless Steel
Environmental Protection
- IP67
- NEMA 4X
Fill Material
- Fluorinated Oil
- Silicone
Flange Material
- 304 Stainless Steel
- 316 Stainless Steel
- S25C
- SCS14A - Cover Flange
Flange Size - 3” (DN 80)
- 3" (DN 80) - 150# ANSI / JPI
- 3" (DN 80) - 300# ANSI / JPI
- 3" (DN 80) - JIS 10K
- 3" (DN 80) - JIS 20K
- 3" (DN 80) - PN 10
- 3" (DN 80) - PN 16
- 3" (DN 80) - PN 25
- 3" (DN 80) - PN 40
Flange Size - 4” (DN 100)
- 4" (DN 100) - 150# ANSI / JPI
- 4" (DN 100) - 300# ANSI / JPI
- 4" (DN 100) - JIS 10K
- 4" (DN 100) - JIS 20K
- 4" (DN 100) - PN 10
- 4" (DN 100) - PN 16
- 4" (DN 100) - PN 25
- 4" (DN 100) - PN 40
Gasket Material
- PTFE Teflon - Process Connector Gasket
- Teflon-Coated SUS316L - Capsule Gasket
Humidity
- 5 to 100 % RH at 40° C (104° F) - Ambient Humidity
Input Impedance
- 10 kΩ or more at 2.4 kHz
Load
- 0 to 1,335 ohms - for Operation
- 0.22 µF or Less - Load Capacitance
- 250 to 600 ohms - for Digital Communication
- 3.3 MH or Less - Load Inductance
Materials of Construction
- Name Plate & Tag: 304 Stainless Steel
- Name Plate & Tag: 316 Stainless Steel
NACE & NIST
- NACE
NPT Connection
- 1/2" NPT Female
- 1/4" NPT Female
Nut & Bolt Material
- 630 Stainless Steel
- 660 Stainless Steel
- SCM435
O-Ring Material
- Buna-N
- Fluororubber
Operating Temperature
- -20° to 80° C (-4° to 176° F)
Output
- 4-20 mA DC - 2-Wire
Power Supply Effect
- ± 0.005 % per Volt (21.6 - 32 Vdc, 350 ohms)
Pressure Range
- inH₂O: -2,000 to 2,000
- kPa: -500 to 500
- mbar: -5,000 to 5,000
- mmH₂O: -10,000 to 10,000
- psi: -72.52 to 72.52
Pressure Type
- Absolute
- Differential
Process Connection Material
- SCS14A
Process Temperature
- -40° to 120° C (-40° to 248° F)
Response Time
- 0.5 second - Max.
Span & Zero Effect
- ± 0.007 % of URL Per psi: 100 (kPa: 690, bar: 6.9)
Stability
- ± 0.1 % of URL Per 5-Years
Static Pressure Effect
- ± [0.028 % of Span + 0.007 % of URL] Per psi: 100 (kPa: 690, bar: 6.9)
Supply Pressure
- psia: 0.38 (kPa: 2.7, bar: 0.027)
Supply Voltage
- 10.5 -32 Vdc - for Lightning Protector
- 10.5-30 Vdc - for Intrinsically Safe, Typical N, Non-Incendive, or Non-Sparking Typical
- 10.5-42 Vdc - for General Use & Flameproof Typical
- 16.4 Vdc - for Digital Communications, BRAIN & HART
- 24 Vdc - up to 570 ohms Load
Temperature Effect
- ± [0.14 % of Span + 0.028 % of URL] Per 28° C (50° F) - Capsule H Ambient Temperature Effect
- ± [0.224 % of Span + 0.056 % of URL] Per 28° C (50° F) - Capsule M Ambient Temperature Effect
UNF/UNC Connection
- 7/16"-20 UNF Female
Update Time
- 0.125 second or Less
Wetted Materials
- 316 Stainless Steel - Pipe
Zero Offset
- External Zero is Continuously Adjustable with 0.01 % Incremental Resolution of Span
Documentation
Data Sheets
Manual
- EJA Series Differential Pressure and Pressure Transmitters Installation Manual *See Manual Change 15-009 16-004 16-018 pdf 4.8 MB
- EJA Series Fieldbus Communication Type *See Manual Change 10-007 12-004 16-004 pdf 1.4 MB
- EJA Series HART Protocol pdf 363 KB
- EJA Series NEPSI Certification [Option code: /NS2 and /NF2 ] pdf 61 KB
- EJA Series PROFIBUS PA Communication Type *See Manual Change 10-007 12-004 16-004 pdf 5.2 MB
- EJA210A and EJA220A Flange Mounted Differential Pressure Transmitters *See Manual Change 16-004 16-018 pdf 5.1 MB
- Manual Change 10-007 12-004 16-004 pdf 293 KB
- Manual Change 16-004 16-018 pdf 232 KB
- User's Manual - Manual Change pdf 225 KB