suppose, after calibrating a transmitter we fixed it in a process line. At live zero condition the Tx shows 4.5 mA. what should we do to make the Tx show 4 mA? If we adjust zero, will it not affect the calibration?
- 4 Answers
- 6494 Views
- ABG Shipyard, I also Faced
- E-Mail Answers
Answer Posted / kashif
Isolate the Tx from process and fully depressurized it and checked if it reads 4 Ma then calibration is OK and carried out flushing of both impulse lines and gain take it in service it should read zero or 4 Ma.
| Is This Answer Correct ? | 2 Yes | 0 No |
Post New Answer View All Answers
what is a vortex flow meter,mass flow meter and electromagnetic flow meter.particular use of this.means in which condition particular meter is used.
Explain operation of Haskel pump.
why we use impulse line of flow transmitter at 45 deg. angle both side of orifice plate.
What is instrumentation technologists and mechanics?
any body who gone thru recent iocl interview.INSTRUMENTATION questions. I need.
How many ohms are required for proper earthing?
Explain the burnout feature.
In my company plc based winders are operated. one day there was a data transmission failure alarm shown on pc. as per sir instruction we have reset master plc but winders were not triped and alarm gone. so what master plc do?
How to regulate the flow of Air in 4" line, with max flow of 330 nm3/hr and Pressure of 0.5 bar? please suggest the type of instrument required.
How to convert Differential pressure to flow in TPH
why Fahrenheit unit of moistur analyzer transmitter
Q- Control problem are mainly classified in _____ types. a-)4 b-)3 c-)6 d-)nono of these Few of them i know is 1- regulator type problem (eg- Air conditioner) 2- tracking problem (eg missile trcking problem) 3- sybernatics 4- optimal control problem
What is modbus?
describe flow nozzel principle?
Can any body help to get Rsemulator 5000 free from internet if possible then give me any link or any help .
