Yokogawa EJA530A-DCS4N-02DE Specification
Full Model Code Decoding First
EJA530A – D C S 4 N – 02 D E
- D: Output = 4–20mA DC + BRAIN protocol
- C: Capsule = C capsule, URL 10 MPa gauge pressure, Min span 0.5 MPa
- S: Wetted material = SUS316L diaphragm + SCS14A stainless steel body
- 4: Process connection = 1/2 NPT female internal thread
- N: Mounting code = Standard pipe mounting bracket
- 02: Electrical connection = Dual 1/2 NPT female ports, without blind plug
- D: Housing material = Die-cast aluminum alloy standard housing
- E: Standard option, no special add-on suffix
Complete Two-Column Spec Table
| Item | Parameter Value |
|---|---|
| Product Type | In-line Mount Gauge Pressure Transmitter (EJA-A Series, Discontinued) |
| Model Full Part No. | EJA530A-DCS4N-02DE |
| Measuring Principle | DPharp Silicon Resonant Digital Sensor |
| Measured Medium | Liquid, Gas, Saturated Steam |
| Pressure Capsule Code | C Capsule |
| Upper Range Limit (URL) | 10 MPa gauge / 1450 psig |
| Minimum Calibrated Span | 0.5 MPa gauge / 72.5 psig |
| Turn-down Ratio | 20:1 Max |
| Standard Reference Accuracy | ±0.15% of calibrated span (zero-based linear, silicone oil fill) |
| Accuracy Formula for Small Span | ±[0.05 + 0.15 × URL/Span] % FS |
| Long-term Stability | ±0.1% URL per 12 months |
| Max Allowable Overpressure | 15 MPa gauge (1.5 × URL) |
| Burst Pressure | 69 MPa / 10,000 psig |
| Fill Fluid (Standard) | Silicone oil |
| Wetted Diaphragm Material | SUS316L Stainless Steel |
| Process Flange Body Material | SCS14A Cast Stainless Steel |
| Process Connection Thread | 1/2 NPT Female Internal Thread |
| Mounting Accessory | Standard N Pipe Mount Bracket |
| Output Signal & Communication | 4–20 mA DC analog + Yokogawa BRAIN Digital Communication |
| Power Supply Range | 10.5 ~ 42 V DC |
| Max Loop Resistance | 500 Ω at 24 V DC supply |
| Electrical Connection Ports | Dual 1/2 NPT Female, No Blind Plug (Code 02) |
| Housing Material | Die-cast Aluminum Alloy |
| Enclosure Protection Class | IP67 / NEMA 4X |
| Ambient Operating Temp (No LCD) | -40 ℃ ~ +85 ℃ |
| Ambient Operating Temp (With LCD) | -30 ℃ ~ +80 ℃ |
| Process Medium Temperature | -40 ℃ ~ +120 ℃ (Standard, No Remote Seal) |
| Response Time | ≤200 ms standard |
| Zero Adjustment | External zero adjustment screw, full URL zero shift capability |
| Display Indicator | No integral LCD display (No /LCD suffix) |
| Vibration Resistance | 5–15 Hz: 4 mm p-p; 15–150 Hz: 2 g; 150–2000 Hz: 1 g |
| Standard Certification | CE Mark, Dual Seal (ISA 12.27.01), SIL 2 Compliant (4–20mA BRAIN version) |
| Explosion Proof Grade (Base Model) | No Ex suffix; Ex ia / Ex d available via separate option codes |
| Weight (Standard Assembly) | Approx. 2.8 kg |
| Series Replacement Model | EJA530E |
Key Application Matching for EJA530A-C Capsule
High-pressure gauge pressure monitoring for refinery process lines, high-pressure water injection, hydraulic test bench, medium-high pressure natural gas pipelines, boiler feed water pressure control.
The EJA-A series is Yokogawa’s most successful pressure transmitter line. First released in 1991, it continues to offer high performance and high reliability for any application. With an installed base of over 4-1/2 million EJA-A transmitters worldwide, it has a proven track record that makes it a true industry workhorse.
The EJA530A is the In-line mount Gauge Pressure Transmitters in the series.
EJA530A features include:
- 0.2% Accuracy (0.075% Option)
- 0.1% Stability for 1 year
- 8,500 psi MWP
