The ABB 266MRT belongs to ABB’s 2600T pressure transmitter series and is designed for high-performance differential pressure measurement. Its multisensor technology combines multiple sensing systems in one device to measure differential pressure and absolute pressure simultaneously. Absolute pressure and sensor temperature are also used to compensate for environmental effects on measurement performance.
Key Features
- Base accuracy: ±0.04%
- Span limits: 0.6 to 10,000 kPa
- Multisensor technology for simultaneous differential and absolute pressure measurement
- Remote diaphragm seals with all-welded construction
- Supports flow, level, pressure, and density measurement
- Configurable diaphragm materials, fill fluids, capillary protection, and mounting connections
- Communication options: 4–20 mA HART, PROFIBUS PA 3.01, and FOUNDATION Fieldbus ITK 6.x
- Optional LCD display with Through-The-Glass (TTG) configuration
- Replaceable electronics module with automatic configuration
- SIL2/SIL3 capability according to IEC 61508
- PED Category III compliance
Applications
The ABB 266MRT is suitable for flow, level, differential pressure, and density measurement in chemical processing, oil and gas, power generation, and other process industries. Its remote diaphragm seals support challenging media and installation conditions, while multisensor technology helps compensate for environmental effects that can influence measurement accuracy.
Why Choose ABB 266MRT?
The ABB 266MRT combines high measurement accuracy, remote seal flexibility, and multisensor technology in one transmitter. Its simultaneous differential and absolute pressure measurement helps improve measurement stability, while configurable seals and multiple communication protocols support integration into demanding industrial systems.
5. Frequently Asked Questions
1. What is the ABB 266MRT used for?
It is used for differential pressure measurement and can support flow, level, pressure, and density measurement in industrial processes.
2. What is the accuracy of the ABB 266MRT?
The specified base accuracy is ±0.04%.
3. What is the measuring range of the ABB 266MRT?
Its published span limits are 0.6 to 10,000 kPa. The appropriate calibrated range depends on the application and selected configuration.
4. What is multisensor technology in the ABB 266MRT?
It combines multiple sensor systems in one transmitter, allowing simultaneous measurement of differential and absolute pressure. Absolute pressure and sensor temperature are also used to compensate for environmental influences.
5. What is the benefit of remote diaphragm seals?
Remote diaphragm seals isolate the transmitter from the process medium and transfer pressure through a fill-fluid system. They provide flexibility for challenging process media, temperatures, and installation requirements.
6. Which communication protocols does the ABB 266MRT support?
The listed options are 4–20 mA HART, PROFIBUS PA 3.01, and FOUNDATION Fieldbus ITK 6.x.
7. Can the ABB 266MRT be used for liquid level measurement?
Yes. It can be configured for differential-pressure-based level measurement, including applications using suitable remote diaphragm seals.
8. Can the remote diaphragm seal be customized?
Available options include diaphragm materials, fill fluids, capillary protection, and mounting connections. Selection should be based on process conditions and compatibility requirements.
9. Is the ABB 266MRT suitable for safety-related applications?
ABB specifies SIL2 capability in a single-transmitter configuration (1oo1) and SIL3 capability in a redundant configuration (1oo2), according to IEC 61508. Confirm the applicable certificate and system requirements before selection.
10. How can I request a quotation for the ABB 266MRT?
Contact ProInstru with your required differential pressure range, process medium, seal configuration, diaphragm material, capillary length, communication protocol, and certification requirements to request a quotation.
