Application Scenarios
In a recent offshore oil platform upgrade,the FOXBORO 843DP-C1I1NK-M was installed to monitor differential pressure across a crude oil separator.The platform previously experienced inaccurate readings due to fluctuating process temperatures and vibration.By deploying the 843DP-C1I1NK-M,operators achieved stable and repeatable pressure measurements,enabling more accurate control of the separation process and reducing unplanned maintenance by 30%.
This transmitter is widely used in refineries,chemical plants,gas processing facilities,and water treatment plants,where accurate differential pressure data is critical for flow measurement,level monitoring,and filter monitoring.Its high overpressure tolerance and excellent long-term stability make it a trusted choice for mission-critical applications.
Parameter
Main Parameters Value/Description
Product Model FOXBORO 843DP-C1I1NK-M
Manufacturer Emerson/Foxboro
Product Category Differential Pressure Transmitter
Measurement Type Differential Pressure(DP)
Output Signal 4–20 mA DC with HART 7 Communication
Accuracy±0.075%of Full Scale(FS)
Operating Temperature-40°C to+85°C
Housing Material Stainless Steel(NACE Compliant)
Enclosure Rating IP66/NEMA 4X
Power Supply Loop-Powered(12–45 V DC)
Process Connection 1/2 NPT Female or Optional Flanged
Diagnostics Built-in Self-Diagnostics,Sensor Health Monitoring
Certifications ATEX,IECEx,FM,CSA,SIL 2 Capable
Technical Principles and Innovative Values
Innovation Point 1:Ultra-High Accuracy of±0.075%FS
The FOXBORO 843DP-C1I1NK-M utilizes advanced silicon sensor technology and digital signal processing to maintain exceptional measurement accuracy,ensuring reliable data for process control and optimization.
Innovation Point 2:HART 7 Protocol with Remote Configuration
With HART 7 communication,the 843DP-C1I1NK-M allows for remote configuration,calibration,and diagnostics via a standard 4–20 mA loop,reducing the need for manual field intervention and lowering maintenance costs.
Innovation Point 3:Robust NACE-Compliant Design
Designed for corrosive and hazardous environments,the 843DP-C1I1NK-M features a stainless steel housing and wetted materials that meet NACE MR0175 standards,ensuring long-term durability in aggressive media.
Innovation Point 4:Integrated LCD Local Display
The FOXBORO 843DP-C1I1NK-M includes an optional local digital display,allowing operators to monitor real-time pressure values directly at the field location without requiring a separate handheld device.
Application Cases and Industry Value
Case 1:Chemical Plant in Louisiana
A chemical manufacturing facility integrated the FOXBORO 843DP-C1I1NK-M into its reactor feed control system to improve level measurement accuracy.The plant previously faced issues with inconsistent readings due to foam and vapor buildup.After installing the 843DP-C1I1NK-M,the system achieved stable and repeatable level control,improving batch consistency and reducing waste by 12%.
Case 2:Offshore Gas Platform in the North Sea
In a high-vibration,high-humidity offshore environment,the FOXBORO 843DP-C1I1NK-M was selected for differential pressure monitoring on gas pipelines.The module’s IP66-rated enclosure and anti-vibration design ensured reliable operation over 18 months without recalibration,significantly reducing downtime and service costs.
These applications highlight the FOXBORO 843DP-C1I1NK-M’s role in improving process efficiency,enhancing safety,and extending maintenance intervals,making it an essential component in modern industrial automation systems.
Related Product Combination Solutions
FOXBORO 843GP-C1I1NK-M–Gauge Pressure Transmitter:Complements the 843DP-C1I1NK-M in multi-variable process control applications.
FOXBORO 843AP-C1I1NK-M–Absolute Pressure Transmitter:Works with the 843DP-C1I1NK-M for complex pressure and flow calculations.
FOXBORO I/A Series DCS Controllers–Integrates seamlessly with the 843DP-C1I1NK-M for centralized process monitoring and control.
FOXBORO P0970EJ-DNBX–Digital Input Module:Used with the 843DP-C1I1NK-M to monitor discrete signals in the control system.
FOXBORO P1335AA–Ethernet Communication Module:Enables the 843DP-C1I1NK-M to connect to SCADA systems via HART multiplexers.
FOXBORO P1330AA–Controller Module:Supports advanced control strategies when paired with the 843DP-C1I1NK-M.
FOXBORO 843DP-C1I1NK-T–Transmitter with Local Temperature Measurement:An enhanced version with integrated temperature sensing for flow compensation.
Installation,Maintenance,and Full-Cycle Support
Installing the FOXBORO 843DP-C1I1NK-M is a straightforward process thanks to its universal mounting options and standard 1/2 NPT process connection.Prior to installation,ensure the process media is compatible with the wetted materials and that the installation location is within the operating temperature range(-40°C to+85°C).The loop-powered design simplifies wiring,requiring only a 12–45 V DC supply from the control system.
Routine maintenance is minimal,mainly involving visual inspection of the housing,checking for process leaks,and verifying output signal integrity every 6–12 months.Thanks to its built-in diagnostics and HART communication,the 843DP-C1I1NK-M supports remote calibration and troubleshooting,reducing the need for field technicians.
Our company offers comprehensive technical support,including installation guidance,commissioning,firmware updates,and replacement services.We provide a 12-month warranty and technical documentation upon request,ensuring seamless integration and long-term reliability of the FOXBORO 843DP-C1I1NK-M in your process control system.
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