ABB 266DSHHSMA1B1L1C1H4 Differential Pressure Transmitter

• Extended Product  Type: Pressure Transmittee
• Product ID: 321440-0200
• ABB Type Designation: Pressure Transmitter

Description of ABB 266DSHHSMA1B1L1C1H4 Differential Pressure Transmitter

The ABB 266DSHHSMA1B1L1C1H4 Differential Pressure Transmitter is a high-performance, industrial-grade instrument engineered for precise differential pressure measurement in demanding process environments. As part of ABB’s trusted 2600T series, this transmitter delivers exceptional accuracy, long-term stability, and advanced diagnostics—making it a preferred choice for critical applications in oil & gas, power generation, water treatment, and chemical processing.

Designed with a robust stainless-steel housing and advanced sensor technology, the 266DSH ensures reliable operation even under extreme temperature, pressure, and vibration conditions. It supports digital communication protocols and integrates seamlessly with modern control systems, enabling real-time monitoring, predictive maintenance, and improved process efficiency.

With its modular design and flexible configuration options, this differential pressure transmitter is ideal for flow, level, and pressure measurement applications, providing consistent performance and reduced total cost of ownership.

Key Features of ABB 266DSHHSMA1B1L1C1H4 Differential Pressure Transmitter

• High accuracy and long-term measurement stability
• Advanced sensor technology for precise differential pressure measurement
• Rugged, corrosion-resistant stainless steel construction
• Suitable for harsh industrial and hazardous environments
• Supports digital communication (e.g., HART protocol)
• Built-in diagnostics for predictive maintenance
• Wide turndown ratio for flexible application use
• Compact, modular design for easy installation and servicing
• Excellent resistance to vibration, temperature fluctuations, and overpressure

Technical Specifications of ABB 266DSHHSMA1B1L1C1H4 Pressure Transmitter

Parameter	Specification
Model	266DSHHSMA1B1L1C1H4
Measurement Type	Differential Pressure
Accuracy	Up to ±0.04% of span
Output Signal	4–20 mA with HART communication
Measuring Range	Configurable (depends on calibration range)
Turndown Ratio	Up to 100:1
Power Supply	10.5 to 42 V DC
Process Connection	Threaded / Flanged (application dependent)
Wetted Parts Material	Stainless Steel (316L typical)
Housing Material	Aluminum alloy with protective coating
Ingress Protection	IP67 / NEMA 4X
Operating Temperature	-40°C to +85°C (ambient)
Process Temperature	Up to 120°C (depending on configuration)
Communication Protocol	HART (standard), optional fieldbus variants
Mounting	Direct / Bracket / Manifold mounting
Certifications	ATEX, IECEx, FM (depending on configuration)

Applications of ABB 266DSHHSMA1B1L1C1H4 Differential Pressure Transmitter

The ABB 266DSH differential pressure transmitter is widely used across multiple industries for critical measurement and control tasks:

Industrial Applications

• Flow measurement using orifice plates, venturi tubes, and flow nozzles
• Tank level measurement in pressurized vessels
• Filter monitoring (clogging detection)
• Pump performance and system pressure balancing

Industry-Specific Use Cases

• Oil & Gas: Pipeline monitoring, separator level control
• Power Plants: Boiler drum level and steam flow measurement
• Water & Wastewater: Filtration systems and distribution networks
• Chemical Processing: Reactor pressure monitoring and dosing systems
• HVAC Systems: Airflow and differential pressure monitoring

ABB 266DSHHSMA1B1L1C1H4 Differential Pressure Transmitter

The ABB 266DSHHSMA1B1L1C1H4 Differential Pressure Transmitter is engineered to deliver high-precision pressure measurement, reliable performance, and advanced diagnostics in industrial automation systems. Built for harsh environments, this ABB pressure transmitter ensures accurate monitoring of flow, level, and pressure, helping operators optimize system efficiency and reduce downtime.

With HART communication, a wide turndown ratio, and robust stainless-steel construction, the ABB 266DSH transmitter stands out as a top-tier solution for industries seeking dependable instrumentation. Its high accuracy (±0.04%), long-term stability, and low maintenance requirements make it ideal for mission-critical applications.

If you are looking for a high-performance differential pressure transmitter that improves operational reliability while reducing lifecycle costs, the ABB 266DSHHSMA1B1L1C1H4 is a proven and trusted solution.

Frequently Asked Questions (FAQ)

1. What is the ABB 266DSHHSMA1B1L1C1H4 used for?

It is used to measure differential pressure in industrial systems, commonly applied in flow, level, and filter monitoring applications.

2. What industries commonly use this transmitter?

Industries such as oil & gas, power generation, water treatment, HVAC, and chemical processing widely use this device.

3. Does this transmitter support digital communication?

Yes, it supports HART communication, allowing integration with modern control and monitoring systems.

4. How accurate is the ABB 266DSH transmitter?

It offers high accuracy of up to ±0.04% of the calibrated span, making it suitable for critical applications.

5. Can it be used in hazardous environments?

Yes, depending on the configuration, it is available with certifications such as ATEX and IECEx for hazardous areas.

6. What makes this model different from other pressure transmitters?

Its combination of high accuracy, rugged construction, advanced diagnostics, and flexible configuration options sets it apart from standard transmitters.

7. Is it suitable for outdoor installations?

Yes, with an IP67/NEMA 4X rating, it is designed to withstand harsh outdoor and industrial environments.