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ABB Measurement - Absolute Pressure Transmitters - 266RST
Model 266RST is an absolute pressure transmitter based on a differential pressure sensor where the negative chamber is evacuated to full vacuum. It is suitable for measuring liquid, gas or steam pressure. The long-term stability and its proven reliability make of 266RST the best application solution for absolute pressure measurements.
This transmitter features in-field replaceable electronics module that thanks to the auto-configuration functionality dramatically improves plant productivity. Its intuitive plug-and-play display with easy setup procedure really helps users by saving time and lowering maintenance and inventory costs. Moreover, the innovative TTG (Through The Glass) technology allow users to configure the instruments in the field without removing the windowed front cover and consequently to save a lot of time. Thanks to the IEC61508 certification (SIL2/SIL3 loops) and the hardware/software redundancy with MTBF of over 100 years, the 266RST represents the smartest solution in Safety loop applications.
- Base accuracy: ±0.04%
- Span limits: 2 ... 2000 kPa abs.; 15 mmHG ... 290 psia
- Multiple protocol availability – provides integration with HART®, PROFIBUS PA and FOUNDATION Fieldbus platforms offering interchangeability and transmitter upgrade capabilities
- Full compliance with PED Category III