Zero Trim The Transmitter - Emerson Rosemount 2051 Series Quick Start Manual

Pressure transmitter and flow meter

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September 2023

Zero trim the transmitter

Note

Emerson ships transmitters fully calibrated per request or by the

factory default of full scale (span = upper range limit).

A zero trim is a single-point adjustment used for compensating

mounting position and line pressure effects. When performing a zero

trim, ensure the equalizing valve is open and all wet legs are filled to

the correct level.

The transmitter will only allow three to five percent upper range limit

(URL) zero error to be trimmed. For greater zero errors, compensate

for the offset by using the XD_Scaling, Out_Scaling and Indirect

L_Type, which are part of the AI block.

Procedure

Zero trim the transmitter.

•

To use guided setup, navigate to Configure → Guided Setup and

select Zero Trim. The method will execute the zero trim.

•

To use manual setup, navigate to Overview → Calibration →

Sensor Trim and select Zero Trim. The method will execute the

zero trim.

Quick Start Guide

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Rosemount 2051cf series