Describe how to calibrate various types of instruments and
transmitters using ISA industrial consensus standard
techniques.
Answer Posted / jadhavamit
Calibration of instruments are carried out under master equipment,they are calibrated under the "National Instrumentation Laboratory".
I can not tell u about the detail because it is under rule But i will explain it with example:
To calibrate a temperature Gauge-
The master equipment use is "Fluidless temperature Calibrate".
it work With out fuel so it is called Fluidless Temperature Calibrator the only thing u have to do is Put the End nod into the master equipment and initially set the temp. to 0degree cent. and step up to 30degree cent. with this see the reading proportionally in the Gauge no need to calibrate if it give +-0.2 reading. if it give deviation of +-5 then adjust the span and zero to set point result we been seen these is the method of calibration of temperature gauge.
Other example of master equipment are microprocessor based pressure calibrator,Macloid gauge etc.
| Is This Answer Correct ? | 0 Yes | 3 No |
Post New Answer View All Answers
WHAT IS TMXT IN TEMPERATURE FOUNDATION FIELDBUS.
What is the meaning of wet leg
What inherent design and operating principles are included in a modern control system to use predictive maintenance practices to increase overall system reliability?
If P will increase then what will happen with PID?
key exchanges in wpa,wpa2,tls
centrifugal compressor interlock? Tell me the parameter at which compressor will trip
need to calculate flow rate with the help of dp range and orifice bore dia and size. range is 0 to 400 inwc and orifice size is 12 inch 150 # rf and bore dia is 7.180 inch. need to calculation for flow rate
How to calibration coriolis flow meter?
what is 24vdc live and dry supply
Working principle of magnetic flow meter ......and calibration procedure of e+h magnetic flowmeter...
what is loop1 and loop2 in MTS LT?
How d.p. Transmitter can be applied to close tank?
how the arrangement of equipments done in control room
can we copy the software from a transmitter using hht(hart 275) ?
Hi Friends i am going to write BARC written test by this month 20th (20-5-2008). So please if any body knows the details about this or having previous question papers pls mail me to kkumarei@gmail.com. For Suggestions give one message to 9962122264