The ABB 266DRH belongs to ABB’s 2600T pressure transmitter family and is designed for differential pressure measurement in challenging process environments. Its remote diaphragm seal construction offers flexibility for applications involving demanding media, unusual installation conditions, or specific process connection requirements.
Key Features
- Base accuracy from ±0.06%
- Differential pressure span limits: 4 to 16,000 kPa
- Remote diaphragm seal with all-welded construction
- Multiple diaphragm materials, fill fluids, capillary protection options, and process connections
- Communication options: HART, PROFIBUS PA, FOUNDATION Fieldbus, and WirelessHART
- Replaceable electronics module with automatic configuration
- Easy setup and zero-trim functions
- SIL2/SIL3 capability for supported safety configurations
- Compliance with PED Category III
Applications
The ABB 266DRH is suitable for differential pressure measurement in liquid, gas, and steam processes, including flow measurement, tank level monitoring, pressure monitoring, and density measurement. Typical industries include oil and gas, chemical processing, power generation, and other process industries where remote diaphragm seals can accommodate demanding operating conditions.
Why Choose ABB 266DRH?
The ABB 266DRH combines accurate differential pressure measurement with flexible remote seal configurations and broad communication compatibility. Its replaceable electronics and optional WirelessHART communication can help simplify maintenance and reduce installation costs in suitable applications.
5. Frequently Asked Questions
1. What is the ABB 266DRH used for?
It measures differential pressure and can be configured for flow, level, pressure, and density measurement in industrial processes.
2. What is the base accuracy of the ABB 266DRH?
The specified base accuracy starts at ±0.06%, depending on the selected configuration.
3. What is the measuring range of the ABB 266DRH?
The stated span limits are 4 to 16,000 kPa. The actual calibrated range depends on the application and transmitter configuration.
4. What is the purpose of the remote diaphragm seal?
The remote diaphragm seal transfers process pressure to the transmitter through a fill-fluid system. It provides installation flexibility for challenging media and process conditions.
5. Which communication protocols are available?
The ABB 266DRH supports HART, PROFIBUS PA, FOUNDATION Fieldbus, and WirelessHART options. Confirm the required protocol when ordering.
6. Does the ABB 266DRH support wireless communication?
Yes. A WirelessHART configuration is available for suitable applications, allowing pressure measurements to be transmitted without conventional signal wiring.
7. Can the diaphragm seal be customized?
ABB offers options for diaphragm materials, fill fluids, capillary protection, and process connections. The selection should be based on process temperature, pressure, medium compatibility, and installation requirements.
8. Is the ABB 266DRH suitable for safety instrumented systems?
The model has SIL2 capability in a single-transmitter configuration (1oo1) and SIL3 capability in a redundant configuration (1oo2), subject to the applicable certification and safety requirements. Confirm the safety manual and configuration before use.
9. Does the ABB 266DRH support field maintenance?
Its replaceable electronics module features automatic configuration, helping reduce maintenance time when replacement is required. Follow ABB's installation and maintenance instructions.
10. How can I get a quotation for the ABB 266DRH?
Contact ProInstru with your required differential pressure range, process medium, seal type, capillary length, process connections, communication protocol, and approval requirements to request a quotation.
