ABB Multivariable Transmitter 266CSH Series

The Pressure Transmitter for Industrial automation

The ABB 266CSH Series multivariable transmitters calculate the mass flow for gases, vapours and liquids with dynamic flow compensation directly from the three process variables of differential pressure, absolute pressure and temperature.

Apart from pressure- and / or temperature-dependent changes to the density of the fluid, the parameters such as the discharge coefficient, thermal expansion of pipelines and primary device and the Reynolds number are also corrected. It can also be used for DP level measurement if density compensation is necessary due to process temperature changes. This could make any level measurement much more reliable.

In addition to high precision, the multivariable 266 also offers the advantage that only a single device needs to be used for the measuring point instead of several transmitters and a flow calculator.

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Base accuracy

0.075 % of calibrated span

266CSH/CST mass flow measurement with compensation, level measurement with compensation for gases, steam and liquids

Dynamic compensation of pressure and temperature changes

Proven sensor technology together with state-of-the-art digital technology

Large turn down ratio of up to 100:1

Comprehensive range of functions

Integrated counting function

Binary output as pulse / frequency output or limit monitor

10-year stability

0.15 % of URL

Flexible configuration options

Local configuration via keys on LCD indicator

TTG (Through-The-Glass) key technology

Enables quick and easy local configuration without the need to open the cover - even in environments with explosion protection

Full compliance with Pressure Equipment Directive (PED) category III

Do you like to know how these sensors work? Check our article to find out about them:

Pressure sensor (Pressure Transducer, Pressure Transmitter, Pressure Switch, Pressure Gauge,Difference between all Terms.