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Phone：+86 17062388866Description
The HONEYWELL 0574-A-012 0574-A-0131 are high-precision pressure transmitters from Honeywell’s ST 3000 SmartLine series, designed for critical process measurement in industrial automation. These ruggedized instruments deliver exceptional accuracy in measuring differential pressure (DP), absolute pressure (AP), and gauge pressure (GP) across extreme process conditions. Utilizing Honeywell’s proprietary Digital Sensor Technology (DST), the HONEYWELL 0574-A-012 and 0574-A-0131 models feature resonant silicon sensors that provide ±0.04% accuracy with 100:1 turndown capability – significantly outperforming conventional transmitters. Engineered for oil/gas, chemical, and power generation applications, these transmitters offer dual-compartment housings with IP67/NEMA 4X protection against moisture, dust, and corrosive atmospheres. Their integrated microprocessor continuously compensates for temperature effects while enabling advanced diagnostics via HART 7, FOUNDATION Fieldbus, or PROFIBUS PA protocols. The HONEYWELL 0574-A-0131 variant typically extends capabilities with specialized materials for sour gas service or higher pressure ratings compared to the 0574-A-012.
HONEYWELL 0574-A-012 0574-A-0131
Technical Specifications
| Parameter Name | Parameter Value |
| Product Model | HONEYWELL 0574-A-012 / 0574-A-0131 |
| Manufacturer | Honeywell |
| Product Type | Smart Pressure Transmitter |
| Measurement Type | DP/GP/AP (Model Specific) |
| Accuracy | ±0.04% of span (calibrated) |
| Turndown Ratio | 100:1 |
| Long-Term Stability | ±0.1% URL/10 years |
| Output Signals | 4-20mA HART, FF, PROFIBUS PA |
| Sensor Technology | Resonant Silicon (DST) |
| Pressure Range | 0-1 inH₂O to 0-4000 psi (Model Dependent) |
| Process Connection | 1/4″ NPT, 1/2″ NPT, Flange |
| Wetted Materials | 316L SST, Hastelloy C-276, Monel |
| Operating Temperature | -40°F to 250°F (-40°C to 121°C) |
| Ambient Temperature | -40°F to 185°F (-40°C to 85°C) |
| Protection Rating | IP67, NEMA 4X |
| Certifications | SIL 2/3, ATEX, IECEx, PED |
Main Features and Advantages
Unmatched Metrological Performance: The HONEYWELL 0574-A-012 and 0574-A-0131 leverage Honeywell’s resonant silicon sensor technology, achieving industry-leading ±0.04% accuracy that remains stable across extreme temperature swings (-40°C to 121°C). This eliminates recalibration cycles in critical processes like refinery fractionation columns.
Intelligent Diagnostics: Embedded Process Intelligence (EPI) continuously monitors sensor health, detecting issues like impulse line plugging or density changes. The HONEYWELL 0574-A-0131 extends diagnostics with corrosion monitoring in sour gas applications.
Robust Construction: Featuring dual-chamber housing with 316L stainless steel or Hastelloy bodies, these transmitters withstand water hammer (10,000 psi overpressure) and corrosive media. Explosion-proof certifications (ATEX/IECEx) allow installation in Zone 1 hazardous areas.
Simplified Integration: Auto-configuration via HART 7 protocol reduces commissioning time by 70%. The transmitters store calibration data in non-volatile memory, enabling hot-swap replacement without process interruption.
Safety Compliance: Certified for SIL 2/3 applications per IEC 61511, the HONEYWELL 0574-A-012 and 0574-A-0131 provide redundant voting capabilities for safety instrumented systems (SIS) without additional hardware.
Application Field
The HONEYWELL 0574-A-012 excels in clean service applications: refinery distillation column DP measurement, pharmaceutical bioreactor pressure control, and power plant feedwater flow monitoring via orifice plates. Its 100:1 turndown enables accurate measurement from startup to full capacity.
The HONEYWELL 0574-A-0131 dominates harsh environments: sour gas wellhead pressure monitoring in oilfields (NACE MR0175 compliant), chlorine vapor pressure measurement in chemical plants, and geothermal steam line applications. In LNG facilities, it accurately measures cryogenic fluid levels using remote seals rated to -196°C. For offshore platforms, its corrosion-resistant construction withstands salt spray while monitoring separator vessel pressures. Both models integrate with Honeywell Experion® DCS for predictive maintenance, detecting pump cavitation through dynamic pressure analysis.
Related Products
STT25F : Temperature transmitter for compensation
FFX191 : FOUNDATION Fieldbus barrier
HART475 : Handheld communicator
UOP : Universal orifice plate
SMV3000 : Multivariable flow transmitter
TTC : Tank temperature compensator
ST 700 : Compact general-purpose transmitter
C300 : Process controller for integration
HONEYWELL 0574-A-012 0574-A-0131
Installation and Maintenance
Pre-installation preparation: Verify process compatibility (wetted materials, pressure/temperature ratings). For liquid applications, mount below tap point to prevent gas entrapment. Use impulse tubing with 1:10 slope for proper drainage. Calibrate zero/sensor trim via HART communicator before energizing the HONEYWELL 0574-A-012/0131.
Maintenance recommendations: Perform zero trim quarterly using blocked-valve technique. Inspect diaphragm seals annually for erosion in abrasive services. Replace O-rings every 3 years in high-cycle applications. Utilize embedded diagnostics to schedule predictive maintenance.
