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Pressure Transmitters
  • Honeywell Model STG74L High Pressure Gauge Transmitters with 4-20ma Output
  • Honeywell Model STG74L High Pressure Gauge Transmitters with 4-20ma Output
  • Honeywell Model STG74L High Pressure Gauge Transmitters with 4-20ma Output
  • Honeywell Model STG74L High Pressure Gauge Transmitters with 4-20ma Output
  • Honeywell Model STG74L High Pressure Gauge Transmitters with 4-20ma Output
  • Honeywell Model STG74L High Pressure Gauge Transmitters with 4-20ma Output
Honeywell Model STG74L High Pressure Gauge Transmitters with 4-20ma Output

Honeywell Model STG74L High Pressure Gauge Transmitters with 4-20ma Output

  • 1 - 9 Pieces
    $500
  • >= 10 Pieces
    $480
View product details

Honeywell Model STG74L High Pressure Gauge Transmitters with 4-20ma Output

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • High-Precision Pressure Measurement: Enables accurate monitoring of pressure ranges from -14.7 to 500 PSI with a 4-20mA output signal, ideal for industrial process control systems.
  • HART Communication Integration: Supports bidirectional communication via HART protocol for real-time configuration, diagnostics, and remote adjustments in complex setups.

Key features

  • 1. Material Technology

    • With a corrosion-resistant stainless steel diaphragm, ensure durability in harsh industrial environments*

  • 2. Interactive Design

    • With HART communication capability, configure and monitor the transmitter remotely for seamless integration into smart systems*

  • 3. Performance Parameters

    • With a customizable 0–500 PSI range and -40°C to 125°C operating range, adapt to extreme conditions beyond standard models*

  • 4. Scenario Solutions

    • With SIL 2/3 certification, achieve reliable operation in safety-critical applications like oil and gas*

  • 5. Certification Standards

    • With HART registration and SIL 2/3 compliance, meet rigorous industry safety and communication standards, surpassing basic models*

Product details

Honeywell Model STG74L High Pressure Gauge Transmitters with 4-20ma Output

The Honeywell Model STG74L High Pressure Gauge Transmitter delivers precise pressure measurement with robust durability, designed for harsh industrial environments. Equipped with HART® communication and SIL 2/3 certification, it ensures reliability in safety-critical applications. With a customizable 0–500 PSI range and IP68 protection, this transmitter adapts to diverse needs while maintaining performance under extreme conditions.

Technical specifications

FeatureSpecificationBenefit
Output Signal4–20mA HART®Enables bidirectional communication for real-time configuration and diagnostics.
Protection ClassIP68Waterproof and dustproof, ensuring operation in submerged or corrosive environments.
Diaphragm MaterialStainless Steel (SS)Corrosion-resistant for long-term durability in aggressive media.
Pressure RangeCustomizable 0–500 PSIFlexible calibration to match specific application requirements.
Temperature Range-40°C to 125°COperates reliably in extreme thermal conditions.
Safety IntegritySIL 2/3 CertifiedMeets stringent safety standards for hazardous environments.

Customization guide

Adjustable parameters:

  • Pressure Range: Customize from 0–500 PSI to align with process requirements.
  • Material Upgrades: Opt for exotic alloys for extreme chemical resistance.
  • Communication Protocols: AddFOUNDATION™ Fieldbus or Profibus for advanced industrial networks.

Get inspired

Whether monitoring high-pressure pipelines in oil refineries or ensuring precision in chemical processing, the STG74L’s rugged design and smart features make it a versatile solution. Its HART® capability simplifies integration into existing systems, while SIL certification ensures peace of mind in safety-critical operations.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Pressure Range0–500 PSI0–750 PSI0–1000 PSI
Accuracy±0.25% FS±0.15% FS±0.1% FS
HART® CompatibilityStandardEnhanced diagnosticsFull HART® 7 protocol
SIL CertificationSIL 2SIL 2/3SIL 3
Temperature Range-40°C to 125°C-40°C to 150°C-40°C to 180°C

Supplier's note

  1. Technical Breakthroughs:

    • HART® Communication: Enables remote parameter adjustments and diagnostics without interrupting operations.
    • SIL 2/3 Certification: Ensures compliance with safety-critical standards in industries like oil & gas.
    • Customizable Range: Reduces downtime by eliminating the need for recalibration across applications.

  2. Optimal Version Selection:

    • Base Model: Ideal for standard industrial processes (e.g., water treatment) requiring basic 4–20mA output.
    • Advanced Model: Best for chemical plants needing enhanced diagnostics and wider temperature tolerance.
    • Pro Model: Tailored for extreme environments (e.g., deep-sea drilling) demanding SIL 3 safety and ultra-high pressure (1000 PSI) tolerance.

With SIL 3 certification, the Pro Model enables safe handling of volatile materials in hazardous zones. Paired with its extended temperature range, it ensures uninterrupted operation in refineries or offshore platforms. The Advanced Model’s HART® 7 protocol streamlines integration into smart factories, reducing maintenance costs by 30% compared to traditional setups.

Frequently asked questions

  • Which Honeywell pressure transmitter model is best for safety-critical industrial applications requiring SIL 2/3 compliance?

  • How does the HART capability of the Honeywell STG74L transmitter enhance system integration?

  • Can the Honeywell STG74L pressure transmitter be customized to a specific pressure range like 0-500 PSI?

  • What materials are used in the Honeywell STG74L's diaphragm, and why are they suitable for harsh environments?

  • How does the IP68 protection rating of the Honeywell STG74L ensure reliability in wet or corrosive conditions?

  • What makes the Honeywell STG74L transmitter suitable for high-temperature applications up to 125°C?

  • Does the Honeywell STG74L support 4-20mA output, and how does this benefit industrial monitoring systems?

  • How does the stainless steel construction of the Honeywell STG74L prevent corrosion in chemical processing environments?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Pressure Range CustomizationIndustrial Process Control0–500 PSI (Customizable) ▲
(ASTM E345 compliance)		Flexibility for diverse applications (e.g., oil & gas, manufacturing)Requires calibration setup for specific ranges
Diaphragm MaterialHarsh Environments (Corrosive Fluids)Stainless Steel (ASTM A240) ▲
(Passes ASTM F1580 corrosion resistance)		Resists corrosion, extends lifespan in chemical plants and refineriesHigher cost compared to plastic diaphragms
HART CommunicationRemote Monitoring SystemsHART Registered (Bidirectional) ▲
(Supports IEC 61158 protocols)		Enables real-time diagnostics and configuration without physical accessRequires HART-enabled infrastructure for full functionality
Safety Integrity Level (SIL)Safety-Critical Systems (e.g., Oil Rigs)SIL 2/3 Certified ▲
(IEC 61508-compliant)		Ensures reliability in hazardous environments with fail-safe operationHigher cost due to rigorous safety validation
Environmental ProtectionUnderwater/Submersible ApplicationsIP68 ▲
(IEC 60529: Immersion up to 3m for 30min)		Operates in fully submerged or waterlogged conditionsLimited to static submersion; not for continuous underwater use
Temperature RangeExtreme Temperature Environments-40°C to 125°C ▲
(ISO 16750-4 automotive-grade endurance)		Reliable in cryogenic or high-temperature industrial processesMay require thermal shielding in extreme outdoor setups

Product reviews

⭐ Customer Reviews and Testimonials

Authentic User Feedback

🔧 Industrial Maintenance Engineer Review

⭐⭐⭐⭐⭐ James Carter - Petrochemical Plant
"We installed the Honeywell STG74L-E1G000-1-A-AHC-11S-A-10 in our refinery’s high-pressure steam lines last February, and it’s been rock-solid. The SIL 2/3 certification gave us the green light from safety auditors, and the HART communication has simplified calibration checks—no more field visits for minor tweaks. After 7 months of continuous operation in a corrosive, high-temp environment, zero drift or failure. Stainless steel diaphragm is holding up perfectly."

Purchase Date: February 2025 | Usage Period: 7 months

🏭 Manufacturing Process Control Review

⭐⭐⭐⭐⭐ Lena Park - Automation Systems Manager
"Integrated this transmitter into our PLC-based monitoring system for hydraulic presses. The 4–20mA HART output synced seamlessly with our DCS, and being able to pull diagnostic data remotely has cut troubleshooting time by half. We customized the range to 0–350 PSI, and accuracy has remained within ±0.25% FS as promised. Even through summer heat spikes near 110°C, performance hasn’t wavered."

Purchase Date: April 2024 | Usage Period: 8 months

💧 Water Treatment Facility Review

⭐⭐⭐⭐☆ David Reynolds - Municipal Wastewater Plant
"Deployed two units for pump discharge monitoring in our primary treatment stage. They’re submerged most of the time, so the IP68 rating was non-negotiable—glad we didn’t cut corners. Installation was straightforward, and the stainless steel housing shows no signs of rust despite constant exposure to chlorinated water. Only reason I’m not giving five stars is that initial HART setup required a technician familiar with the protocol, which added a day to commissioning."

Purchase Date: November 2024 | Usage Period: 5 months

⚙️ Oil & Gas Field Technician Review

⭐⭐⭐⭐⭐ Amir Khalid - Offshore Platform Technician
"Harsh doesn’t even begin to describe our operating conditions—salt spray, vibration, temps swinging from freezing to scorching. The STG74L Pro Model (1000 PSI, SIL 3) replaced a failed third-party unit that lasted less than a year. It’s been six months now with zero issues. The HART 7 diagnostics flagged a pressure spike event before it triggered a shutdown, letting us adjust upstream controls proactively. That alone saved us downtime worth thousands."

Purchase Date: June 2025 | Usage Period: 2 months

🌡️ HVAC Systems Integrator Review

⭐⭐⭐⭐⭐ Elena Torres - Building Automation Specialist
"Used the Advanced Model in a large commercial complex for chilled water loop monitoring. Needed something stable across fluctuating temperatures and compatible with our BMS. The extended temperature tolerance (-40°C to 150°C) ensured reliability even during winter chiller startups. HART integration allowed full parametrization without breaking containment seals. After 4 months, readings are still spot-on. This is now our go-to for critical commercial infrastructure projects."

Purchase Date: January 2025 | Usage Period: 6 months

📊 Rating Statistics

Average Rating: 4.9/5 ⭐ (89 Reviews)

Detailed Rating Distribution:

  • ⭐⭐⭐⭐⭐ (5-star): 78 reviews (87.6%)
  • ⭐⭐⭐⭐☆ (4-star): 9 reviews (10.1%)
  • ⭐⭐⭐☆☆ (3-star): 2 reviews (2.3%)
  • ⭐⭐☆☆☆ (2-star): 0 reviews (0%)
  • ⭐☆☆☆☆ (1-star): 0 reviews (0%)

🏆 Industry Expert Recommendations

Industrial Automation Expert Recommendation

Dr. Rajiv Mehta - Industrial IoT & Process Control Consultant
"The Honeywell STG74L series stands out in the crowded pressure transmitter market due to its combination of SIL 2/3 compliance, HART 7 readiness, and material resilience. For facilities transitioning to predictive maintenance models, the bidirectional communication capability is a game-changer. I recommend the Advanced or Pro models for any application where safety, accuracy, and remote diagnostics are mission-critical."

Oil & Gas Safety Compliance Advisor

Karen Bennett - Functional Safety Engineer (CFSE)
"Having audited dozens of SIS installations, I can say with confidence that the SIL 3-certified Pro Model meets the rigorous demands of IEC 61508 and IEC 61511. Its fail-safe design, coupled with real-time HART diagnostics, makes it one of the few transmitters I’ll sign off on for Category 3 safety loops in offshore and refining operations."

💬 Latest User Reviews

Recent 30-Day Review Highlights:

⭐⭐⭐⭐⭐ "Reliability You Can Trust" – Marcus Lee (Chemical Processing)

Posted: 2 days ago

"Running this in a sulfuric acid transfer line. Corrosion resistance is excellent. No signal degradation, and the IP68 seal survived a washdown incident that drowned a competitor’s unit. Worth every penny."

⭐⭐⭐⭐⭐ "Seamless Integration into Smart Factory" – Naomi Chen (Pharmaceutical Manufacturing)

Posted: 1 week ago

"Paired with our Industry 4.0 platform via HART. Real-time health monitoring and calibration logs have reduced preventive maintenance labor by 30%. Exactly what we needed for FDA compliance."

⭐⭐⭐⭐☆ "High Initial Cost, But Justified" – Tomás Alvarez (HVAC Contractor)

Posted: 3 weeks ago

"More expensive than standard gauges, but durability and smart features pay off in reduced service calls. Would buy again for critical commercial jobs."

🎯 Reviews by Use Case Category

🏭 Industrial Manufacturing (32 Reviews)

  • Average Rating: 4.8/5
  • Most Praised Features:
    • Accuracy under vibration (88% mentioned)
    • HART-enabled diagnostics (82% mentioned)
    • 4–20mA signal stability (90% mentioned)

⛽ Oil & Gas Operations (28 Reviews)

  • Average Rating: 4.9/5
  • Most Praised Features:
    • SIL 2/3 compliance (93% mentioned)
    • Corrosion resistance in sour gas environments (89% mentioned)
    • Performance in extreme temperatures (91% mentioned)

🏢 Commercial Infrastructure (29 Reviews)

  • Average Rating: 4.7/5
  • Most Praised Features:
    • IP68 waterproofing (95% mentioned)
    • Long-term stability in HVAC systems (84% mentioned)
    • Ease of integration with BMS (79% mentioned)

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