High-performance Differential Pressure Measurement Solution
The ABB 266DSH Differential Pressure Transmitter is part of ABB's 2600T pressure transmitter family, designed for accurate and stable differential pressure measurement in industrial process applications.
The transmitter converts differential pressure generated by flow, liquid level or pressure differences into a standardized output signal for process control systems.
With its robust design, advanced electronics and intelligent diagnostic functions, the 266DSH provides reliable measurement performance for critical industrial processes where accuracy and availability are essential.
Typical measurement applications include:
Differential pressure measurement
Flow measurement using primary elements
Tank and vessel level measurement
Filter and pipeline monitoring
Process pressure monitoring
Advanced Sensor Technology for Reliable Measurement
The ABB 266DSH uses advanced sensor technology to provide stable measurement performance even in demanding industrial environments.
The transmitter features:
High measurement accuracy
Excellent long-term stability
Temperature compensation
Static pressure compensation
Intelligent self-diagnostics
With a basic accuracy of ±0.06%, the 266DSH is suitable for applications requiring precise and repeatable pressure measurement.
Smart Electronics with Replaceable Module Design
One of the key advantages of the 266DSH is its modular electronics design.
The electronic module can be replaced directly in the field, and the transmitter automatically recognizes the replacement configuration. This reduces maintenance time and minimizes spare inventory requirements.
Additional benefits include:
Simplified maintenance
Reduced downtime
Faster commissioning
Easier lifecycle management
Advanced Diagnostics for Predictive Maintenance
The 266DSH includes intelligent diagnostic functions designed to improve plant reliability.
A standard feature is Plugged Impulse Line Detection, which monitors the condition of impulse lines and alerts operators when blockage trends are detected.
This helps users:
Identify potential measurement failures early
Reduce unexpected downtime
Improve maintenance planning
Increase process availability
Through-The-Glass (TTG) Configuration Technology
The ABB 266DSH can be equipped with ABB's innovative TTG (Through The Glass) technology.
This function allows operators to configure the transmitter without opening the enclosure cover, which is especially valuable in hazardous areas.
Advantages include:
Faster field configuration
Improved operator safety
Reduced need for opening explosion-proof housings
Easier commissioning
Operators can configure parameters directly through the front window using touch-based controls.
Multiple Communication Options for Flexible Integration
The 266DSH supports multiple communication protocols to integrate into different automation systems.
Available communication options include:
4…20 mA + HART
PROFIBUS PA
FOUNDATION Fieldbus
WirelessHART
The WirelessHART version provides a flexible solution for locations where traditional wiring is difficult or expensive, helping reduce installation time and infrastructure costs.
Designed for Safety-critical Applications
The ABB 266DSH is designed for applications requiring functional safety.
The transmitter has achieved SIL2/SIL3 certification according to IEC 61508, making it suitable for safety-related measurement applications when used according to applicable safety requirements.
Typical safety applications include:
Pressure monitoring
Overpressure protection systems
Safety instrumented systems
Critical process control loops
Flexible Pressure Measurement for Different Industries
The 266DSH supports a wide measurement range, with span limits from 0.05 to 16000 kPa depending on configuration.
Its flexible design allows adaptation to different process requirements through:
Various pressure ranges
Different process connections
Optional displays
Remote communication solutions
Different hazardous area approvals
Key Features
High-performance differential pressure transmitter
Suitable for flow, level and pressure measurement
Basic accuracy up to ±0.06%
Excellent long-term stability
Advanced sensor temperature compensation
Plugged impulse line detection for predictive maintenance
Field-replaceable electronics module
TTG Through-The-Glass configuration technology
Supports HART, PROFIBUS PA, FOUNDATION Fieldbus and WirelessHART
SIL2/SIL3 certified according to IEC 61508
Suitable for hazardous area applications
PED Category III compliance
Flexible installation and process connection options
Typical Applications
Flow Measurement
The ABB 266DSH is widely used for differential pressure-based flow measurement with primary elements such as:
Orifice plates
Venturi tubes
Flow nozzles
Other differential pressure devices
Applications include:
Steam flow measurement
Gas flow monitoring
Liquid flow measurement
Level Measurement
The transmitter can be used for continuous level measurement in tanks and vessels.
Typical applications:
Storage tanks
Process reactors
Chemical vessels
High-pressure containers
Chemical Industry
The 266DSH provides reliable pressure measurement in chemical processing environments.
Applications:
Reactor monitoring
Process pressure control
Chemical storage systems
Oil & Gas Industry
The transmitter is suitable for demanding oil and gas applications.
Applications:
Pipeline monitoring
Separator measurement
Refinery processes
Pressure control systems
Power Generation
The 266DSH supports reliable measurement in power plant systems.
Applications:
Steam measurement
Boiler systems
Feedwater monitoring
Utility systems
FAQ
What is ABB 266DSH?
ABB 266DSH is a high-performance differential pressure transmitter used for measuring differential pressure in industrial applications such as flow, level and pressure monitoring.
What accuracy does ABB 266DSH provide?
The ABB 266DSH provides basic accuracy up to ±0.06%, depending on configuration and operating conditions.
What communication protocols does 266DSH support?
The transmitter supports:
4…20 mA + HART
PROFIBUS PA
FOUNDATION Fieldbus
WirelessHART
Can ABB 266DSH be used for flow measurement?
Yes. The 266DSH can measure differential pressure generated by primary flow elements and is widely used for flow measurement applications.
Does ABB 266DSH support safety applications?
Yes. The transmitter has SIL2/SIL3 certification according to IEC 61508, making it suitable for safety-related applications when correctly implemented.
What is Plugged Impulse Line Detection?
Plugged Impulse Line Detection is a diagnostic function that detects potential blockage conditions in impulse lines, helping users perform predictive maintenance before measurement failure occurs.
