The ABB 266NRH is a smart absolute pressure transmitter engineered for high-overload applications and challenging process environments. Its remote diaphragm seal design helps accommodate demanding media and installation conditions, while configurable options support different industrial measurement requirements.
Key Features
- High-overload design for demanding industrial processes
- Base accuracy of ±0.075%
- Absolute pressure span of 1.1 to 16,000 kPa
- Remote diaphragm seal with configurable materials, fill fluids, capillaries, and process connections
- Multiple communication options: HART, PROFIBUS PA, FOUNDATION Fieldbus, and WirelessHART
- Optional local display and TTG configuration
- Replaceable electronics module with automatic configuration
- SIL2/SIL3 certification options within the 266 transmitter portfolio and PED Category III compliance; verify the selected configuration and applicable approvals before ordering.
Applications
The ABB 266NRH is suitable for absolute pressure, level, flow, and density measurement in liquid, gas, and steam processes across industries such as oil and gas, chemical processing, power generation, and other demanding process applications. Remote seal configurations can help address challenging process media and installation requirements.
Why Choose ABB 266NRH?
The ABB 266NRH combines high-overload capability, remote seal flexibility, and multiple communication options in one industrial transmitter. It is a practical choice for users who need dependable absolute pressure measurement in demanding process conditions.
5. Frequently Asked Questions
1. What is the ABB 266NRH used for?
It measures absolute pressure in liquids, gases, and steam, and can also support flow, level, and density measurement applications.
2. What is the accuracy of the ABB 266NRH?
Its stated base accuracy is ±0.075%. Actual performance depends on the selected configuration and operating conditions.
3. What is the measuring range of the ABB 266NRH?
The stated absolute pressure span limits are 1.1 to 16,000 kPa absolute. Confirm the required calibrated range when selecting a model.
4. What is the benefit of a remote diaphragm seal?
A remote diaphragm seal allows the process connection to be separated from the transmitter sensing unit, providing greater flexibility for challenging process media, temperatures, and installation layouts.
5. Which communication protocols are available?
ABB lists HART, PROFIBUS PA, FOUNDATION Fieldbus, and WirelessHART options. Availability depends on the selected configuration.
6. Does the ABB 266NRH support wireless communication?
Yes. The model features WirelessHART communication, which can help reduce wiring requirements for suitable monitoring applications.
7. Can the ABB 266NRH be configured in the field?
Optional local display and Through-The-Glass (TTG) technology allow field configuration without removing the display's front cover. Availability depends on the ordered configuration.
8. Is the ABB 266NRH suitable for safety-related applications?
The ABB 266 transmitter portfolio includes SIL2/SIL3 certification options. Confirm the exact certification, model configuration, and safety-system requirements before specifying the device.
9. Can the diaphragm seal be customized?
A range of diaphragm materials, fill fluids, capillary protection options, and process connections is available. The appropriate combination should be selected according to the process conditions.
10. How can I get a quotation for the ABB 266NRH?
Contact ProInstru with your required pressure range, process medium, process connection, capillary length, communication protocol, and any certification requirements to request a suitable configuration and quotation.
