Differential pressure transmitter with direct mount diaphragm seal and multisensor technology
266MDT

266MDT is the top performance differential pressure transmitter with “multisensor technology” suitable for measuring liquid, gas or steam flow as well as level, pressure and density characterized by a direct mount diaphragm seal.

ABB株式会社 計測・分析機器事業部

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Overview
Data
Fieldbus & HART
Download
Service

Overview

This transmitter can be configured with a direct mount diaphragm seal and a standard pressure connection or combined with a remote diaphragm seal. In order to show its flexibility, the 266MDT can be transformed into a gauge pressure transmitter by mean of a dedicated gauge filter for atmosphere reference.
Exploit ABB unrivalled leadership in diaphragm seals design and manufacturing:
– no thread joints or gaskets that is prone to fail or drift in time
– less fill volume to achive better temperature effects

In addition to the plug-in terminal block, 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 allows users to configure the instruments in the field without removing the windowed front cover and consequently to save a lot of time.

The 266MDT is certified by TUV NORD for use in safety instrumented systems as per the requirements of IEC61508. The transmitters meet the requirements for SIL2 applications in a single transmitter configuration (1oo1) and for SIL3 applications in a redundant configuration (1oo2).

Data

  • Base accuracy : ± 0.04 %
  • Span limits: 0.6 kPa ... 10000 kPa; 2.41 in. H2O ... 1450 psi
  • Output signal: Multiple protocol availability offering interchangeability and transmitter upgrade capabilities
    – 4 to 20 mA, HART
    – PROFIBUS PA 3.01
    – FOUNDATION Fieldbus ITK 5.1
  • Local operation with LCD with TTG (Through The Glass) technology without the need of opening the housing
  • Conforms to SIL2 / SIL3 acc. to IEC 61508
  • Full compliance with PED Category III

Fieldbus & HART

ABB’s freedom of choice offers the right driver for the major fieldbus protocols suitable for ABB devices.
The version matrix document shows for each protocol the software revision that’s compatible to the hardware and firmware revision of the device.

Software and documentation:

Stand-alone tool:
ABB offers software tools that use the listed drivers above for your device configuration and monitoring requirements. Read more & download

Fieldbus solutions:
ABB offers a wide range of fieldbus products, accessories, tools, support documentation, applications and news. Read more

Download

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Service

ABB offer a full range of services to support you and your processes, including:

Explore our comprehensive range of services at Measurement & Analytics service

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