Home » Flow Transmitter Readings mismatch with DCS
Question For You

Flow Transmitter Readings mismatch with DCS

A “smart” DP transmitter and orifice plate were recently installed to measure flow through a pipe.

The orifice plate range is 0 to 150 inches WC at 0 to 1000 gallons per minute:

Flow Transmitter Readings mismatch with DCS

Operations personnel register a flow rate of 699 gallons per minute on the display of their DCS, which they believe to be too much.

Based on what you see here, do you think there is a problem, or is this new system working as it should?

Answer :

The problem lies with the DCS, to be specific, someone has configured square-root characterization in it as well as within the transmitter!

Note : we considered one possible reason for the answer. As you aware there are many possibilities of errors, please share your experience with us. Post them via comments.

DP Transmitter Questions

Related Articles

Calculate Temperature of RTD

S Bharadwaj Reddy

DP Transmitter Calibration Errors

S Bharadwaj Reddy

PLC Pump Permissive Interlocks

S Bharadwaj Reddy

Practical Process Control System Questions & Answers – 12

S Bharadwaj Reddy

Solenoid Valves Questions & Answers – 6

S Bharadwaj Reddy

Type E thermocouple Calculations

S Bharadwaj Reddy

2 comments

Ramkumar March 29, 2019 at 9:39 am

Wrong orifice direction.
Improper selection of flow instrument
Wrong K factor calculation

Reply
KINGSLEY EKECHI February 26, 2020 at 5:22 pm

IMPROPER RANGE CONFIGURATION IN DCS

Reply

Leave a Comment

This website uses cookies to improve your experience. We'll assume you're ok with this, but you can opt-out if you wish. Accept Read More

Flow Transmitter Readings mismatch with DCS

WordPress Image Lightbox
Send this to a friend