how to calibrate transmitter

Answer Posted / s. kanniyappan

TEMPERATURE TRANSMITTER:
GIVE 24VDC TO THE TRANSMITTER
CONNECT MULTIMETER IN SERIES WITH -VE TO THE TXT
GIVE RESISTANCE INPUT TO THE TRANSMITTER
GIVE LRV VALUE BY ADJUSTING THE DRB
ADJUST ZERO FOR LRV
GIVE URV VALUE BY ADJUSTING THE DRB
ADJUST SPAN FOR URV
GIVE 25%, 50%, 75%, 100% OF URV (RESISTANCE) AND CHECK THE
CORRESPONDING MILLIAMPS OUTPUT

PRESSURE TRANSMITTER:
GIVE 24VDC TO THE TRANSMITTER
CONNECT 250 OHMS IN SERIES WITH -VE TO THE TXT
CONNECT THE HART TO THE TERMINALS OF RESISTANCE
CONNECT THE TRANSMITTER TO THE SOURCE VIA REGULATOR AND MAKE
A T OFF CONNECT TO A MASTER GAUGE
VARY THE PRESSURE BY ADJUSTING THE REGULATOR
MAKE ZERO TRIM FOR ZERO PRESSURE THROUGH HART
ADJUST THE REGULATOR AND CHECK FOR THE LRV VALUE IF NOT
MATCHING ADJUST THE ZERO
DO THE SAME FOR THE URV
GIVE 25%, 50%, 75%, 100% OF URV (PRESSURE) AND CHECK THE
CORRESPONDING MILLIAMPS OUTPUT

DP TYPE TRANSMITTER
LP LINE SHOULD BE LEFT OPEN TO ATMOSPHERE
CONNECT THE HP LINE TO THE SOURCE AND DO THE SAME AS ABOVE

Is This Answer Correct ?    4 Yes 2 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

I wnat to practice more online type questions .so will you show them me to take a practice test?

1020


please send me some question papers of HPCL aptitude test ?? please send it to bipinb.28@gmail.com ...

1621


What are primary elements of measuring pressure? Which type of pressure can be measured by these elements?

748


Sir,I am going to sit for IOCL written test exam. recently.Can anyone tell me the name of 'Objective type Question Book on Instrumentation Engineering ' which will help me. Pl. mail to bidyut_71@rediffmail.com / bidyut.saha2008@indiatimes.com / bidyut.saha09@yahoo.in

1759


key phaser where is use and work

1581






what are the use of belew gear in general ??

1640


WHY THE DEGREE OF VALVE PLUG AND VALVE SEAT IS SLIGTLY DIFFERENT I CONTROL VALVE TRIM DESIGN

1663


what is dc moter.

1857


model question paper of instrumentation for Jindal GET 2010.plz reply sudhanshukumar08@yahoo.com

1997


how to convert cubic metre per hour to newton cubic metre per hour

1672


Explain the combusion chamber

1673


what is insdustrial vibration.who it works. give atleast 2 types of insdustrial vibration

1660


why I need valve guard and whats different between guard and positioner ??

973


what is the protection system in solar turbine compressor

1795


how u calibrate pneumatic n motorized c/v?

1628