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Honeywell International Inc. is a renowned American multinational conglomerate headquartered in Charlotte, North Carolina, with a rich history dating back to 1885. It operates across four primary business segments: Aerospace, Building Technologies, Performance Materials and Technologies, and Safety and Productivity Solutions. Honeywell is a leader in innovative technologies for aviation, industrial automation, safety systems, and sustainable energy solutions, serving customers in over 70 countries with a workforce of approximately 100,000 employees globally. The company is committed to driving efficiency, safety, and sustainability through cutting-edge products like avionics, building management systems, and advanced materials. In 2024, it reported significant revenue and continues to expand its influence in smart cities, digital transformation, and green initiatives.

The Honeywell ST800 SmartLine Universal Pressure Transmitter is a versatile and high-precision instrument designed for accurate pressure measurement across diverse industrial applications. Part of Honeywell's SmartLine series, this transmitter combines advanced sensor technology with robust construction to deliver reliable performance in demanding process environments. With its universal design, it supports multiple pressure types including gauge, absolute, and differential pressure measurements.
Universal Platform - Single platform for gauge, absolute, and differential pressure
High Accuracy - Up to ±0.05% of span for critical process control
Advanced Diagnostics - Continuous self-monitoring and predictive maintenance capabilities
Multiple Communication Protocols - HART, FOUNDATION Fieldbus, PROFIBUS PA
Robust Construction - Suitable for harsh industrial environments
Wide Rangeability - 100:1 turndown ratio
Intuitive Local Interface - Easy configuration and troubleshooting
Global Certifications - ATEX, IECEx, SIL 2/3 compliant
| Parameter | Specification |
|---|---|
| Model Series | ST800 SmartLine |
| Measurement Types | Gauge, Absolute, Differential Pressure |
| Accuracy | ±0.05% to ±0.075% of span (model dependent) |
| Stability | ±0.1% of URL per 12 months |
| Rangeability | Up to 100:1 |
| Response Time | Adjustable from 0.2 to 60 seconds |
| Output Signals | 4-20mA HART, FOUNDATION Fieldbus, PROFIBUS PA |
| Pressure Ranges | From 2.5 inH₂O to 6000 psi (model dependent) |
| Process Connections | 1/4" to 1/2" NPT, flanged options available |
| Operating Temperature | -40°C to 85°C (-40°F to 185°F) |
| Ambient Temperature | -40°C to 85°C (-40°F to 185°F) |
| Enclosure Rating | IP66/NEMA 4X |
| Materials | 316L stainless steel, Hastelloy C-276, Monel options |
| Certifications | ATEX, IECEx, FM, CSA, SIL 2/3 |
The Honeywell ST800 is ideal for:
Oil & Gas - Wellhead monitoring, pipeline pressure, refinery processes
Chemical Processing - Reactor pressure, distillation columns, vessel monitoring
Power Generation - Boiler pressure, steam systems, turbine monitoring
Water & Wastewater - Pump control, filter monitoring, level measurement
Pharmaceutical - Cleanroom pressure, bioreactor monitoring
Food & Beverage - Process automation, CIP systems, tank monitoring
Pulp & Paper - Digester pressure, stock preparation, coating systems
Multi-variable Output - Simultaneous pressure, temperature, and diagnostic data
Advanced Diagnostics - Continuous monitoring of sensor health and process conditions
Dynamic Compensation - Automatic temperature and static pressure compensation
Signal Characterization - Custom linearization for specific application requirements
HART Protocol - Digital communication superimposed on 4-20mA signal
Fieldbus Options - FOUNDATION Fieldbus and PROFIBUS PA versions
Local Operator Interface - Intuitive menu navigation with clear display
Remote Configuration - Easy setup via asset management software
Robust Sensor Technology - Advanced piezoresistive sensor with exceptional stability
Dual-Compartment Housing - Separate electronics and terminal compartments
Multiple Diaphragm Options - 316L stainless steel, Hastelloy, Monel, tantalum
Compact Design - Space-saving form factor for easy installation
Corrosion-Resistant - Suitable for aggressive process media
Vibration Resistance - Designed for high-vibration environments
Accuracy Classes:
Premium: ±0.05% of span
Standard: ±0.075% of span
Response Time:
Default: 0.5 seconds
Adjustable: 0.2 to 60 seconds
Overpressure Protection:
Up to 400% of calibrated span
Long-Term Stability:
±0.1% of URL per 12 months
Mounting Flexibility:
Direct mount
Remote mount with capillary
Panel mount options
Wiring Options:
Conduit connections
Cable gland entries
Configuration Methods:
Local interface
HART communicator
Asset management software
Calibration:
Field adjustable zero and span
Remote calibration capability
Safety Certifications:
ATEX II 1/2G Ex ia/ib IIC T4-T6
IECEx Ex ia/ib IIC T4-T6
FM/CSA Class I Div 1 Groups A,B,C,D
Functional Safety:
SIL 2/3 compliant
Environmental Compliance:
RoHS compliant
REACH compliant
Quality Standards:
ISO 9001 manufacturing
Measurement Excellence - Superior accuracy and stability for process optimization
Universal Application - Single solution for multiple pressure measurement types
Advanced Diagnostics - Predictive maintenance capabilities reduce downtime
Robust Reliability - Built for harsh industrial environments
Global Compliance - Certified for worldwide use
Easy Integration - Multiple communication protocol options
Technical Support - Backed by Honeywell's global service network
Minimal Maintenance - Long-term stability reduces calibration frequency
Self-Diagnostics - Continuous health monitoring with alert capabilities
Modular Design - Field-replaceable components
Long Service Life - Designed for over 10 years of reliable operation
Software Tools - Honeywell Experion PKS and Asset Management support

Note: Specifications are based on standard configurations. Consult Honeywell technical documentation for application-specific requirements and detailed performance data.
Founded in 2012, ACH is a top-tier distributor of industrial automation products, supplying genuine devices from leading brands like ABB, P+F, E&H, AB, MTL and EMERSON to emerging markets worldwide. Our mission is to provide 100% Genuine products at the most competitive prices, helping customers reduce costs and strengthen their market position.
Long-term brand partners can get competitive product prices. At the same time, ACH controls the profit per order to 5%, providing the most competitive prices.
Yes, all products from ACH are certified genuine OEM units. We acquire our inventory through official OEM channels and trusted third-party suppliers, ensuring every item is authentic and reliable.
We'll handle the shipping for you. Through our partnerships, we can secure competitive rates with major carriers like FedEx, DHL, TNT, and UPS, ensuring a smooth and cost-effective delivery.
One-year Warranty.
Products are divided into spot and futures, and the delivery period of different brands of products is also different. For details, please contact the ACH business manager.