Rosemount 3051CA Absolute Pressure Transmitter

The Rosemount 3051CA is an absolute pressure transmitter featuring a coplanar flange design. Its key advantages include high accuracy (0.04%), a high turndown ratio (150:1), and high stability, making it suitable for measuring the absolute pressure of gases, liquids, or steam.

* Performance: Reference accuracy 0.04%, range ratio 150:1

* Output: Standard 4-20mA with HART protocol; optional FOUNDATION Fieldbus and PROFIBUS PA protocols

* Range: Calibrated ranges from 30 psia to 4000 psia (approx. 27,580 kPa); 4 standard ranges available

* Sensor: Utilizes piezoresistive sensor technology (distinguished from the capacitive technology used in differential pressure models)

Model selection is typically defined according to the following structure: 3051CA+[Range]+[Output]+[Body Material]+[Diaphragm]

*Range: A key selection option. For example, 1 corresponds to 0–30 psia, and 4 corresponds to 0–4000 psia.

*Output: Select based on requirements. For example, A corresponds to 4–20 mA with HART protocol.

*Diaphragm Material: Standard 316L stainless steel; options include Hastelloy C-276 and gold-plated stainless steel to withstand corrosive media.

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