ABB Differential Pressure Transmitter 266DSH and 266MST

ABB Differential Pressure Transmitter

ABB Differential Pressure Transmitter 266DSH is the differential pressure transmitter featuring a standard DP-Style design. Characterized by long stability and high performance, this pressure transmitter represents ABB’s commitment to satisfying customer needs.

This transmitter features an in-field replaceable electronics module that thanks to the auto-configuration functionality dramatically improves plant productivity. Its intuitive plug-and-play display with an 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 save a lot of time setting all parameters by using the fingertips in few minutes.

In addition, 266DSH features Plugged Impulse Line Detection as a standard helping customers in detecting when the impulse line is going to be plugged. This is real predictive maintenance. SIL2/SIL3 certification issued by TÜV Nord according to IEC 61508 represents another key-feature within the 266 pressure transmitter portfolio. This certification is a real guarantee of protection and makes 266DSH the smartest fit in Safety-critical loops.

266DSH features WirelessHART communication protocol allowing the addition of pressure measurement points throughout your operation. You can now monitor hard-to-reach locations and keep your employees out of dangerous and hazardous areas. The 266 WirelessHART Pressure Transmitters have a battery life of about 10 years at 32-sec update rates, delivering a very cost-effective and reliable solution to monitor your process assets.

Shorten installation times by eliminating complex wired infrastructures, and lower overall implementation costs of process measurement, with ABB wireless devices featuring WirelessHART communications – Measurement made easy.

Specifications | Technical Data

266DSH: smartness beyond performances.

  • Base accuracy: from ±0.06%
  • Span limits: 0.05 to 16000kPa; 0.2 … 2320 psi
  • 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

ABB Differential Pressure Transmitter 266MST (with multisensor technology)

ABB Differential Pressure Transmitter 266MST 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 in applications with working pressure up to 41Mpa / 5945psi.

ABB Differential Pressure Transmitter type 266DSH and 266MST
266MST

The unique combination of several sensor systems in a single device allows simultaneous measurement of differential pressure and absolute pressure. The sensor temperature and the absolute pressure are also used for eliminating environmental effects on the sensor. Long-term stability and proven reliability are the key factors that make 266MST the best choice for differential pressure measurement.

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In addition to the plug-in terminal block, this transmitter features an in-field replaceable electronics module that thanks to the auto-configuration functionality dramatically improves plant productivity. Its intuitive plug-and-play display with an 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 266MST 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).

Specifications | Technical Data

  • Base accuracy : ± 0.04 % (optional ± 0.025 %)
  • Span limits: 0.05 to 10000 kPa; 0.2 inH2O to 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

Download Datasheet: 266MST

Reference: new.abb.com

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