Interested to Buy Any Domain ? << Click Here >> for more details...
why we take 4 to 20 mA as out put of every instrument like
pressure transmittre ?why we cant take 0 to 20mA as output?
- 6 Answers
- 10953 Views
- OGDCL, I also Faced
- E-Mail Answers
Answer Posted / dinesh regar
when a 0-20mA used therefore insturment is not working i am
not indetified.there insturment are faulty ya supply
problem not sure.
therefore we used the 4-20ma .when supply will coming &
insturment not working.
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
we are using centum vp as monitoring with Dell precision work station T3600 but some times PC(s) are restarted automatically . how we can solve this problem? thanks
I need control valve ISA hand book. Is there any site to download that big book containing all the pages. Written by Paul Friedmann
what is use of communication wire in multipare cable(oil and gas field), why this communication wire not used in single pair cable?
how u calibrate pneumatic n motorized c/v?
what is insdustrial vibration.who it works. give atleast 2 types of insdustrial vibration
How many are the types of instrument cables in terms of No. of pair.
What should be the main consideration while starting the Rotating compressor when we dont know the cut in and the cut off pressure setting of the pressure switch
What is the PLC configuration in Cement industry?
What is the Working principle of Dozing valve?
how many types of spped sensors n vibration sensors?their basic principle n connection?
Which types of quections asked in interview for FORMULATION PLANT (PHARMA)
How we connect a instrument with ground, Give brief explanation with help of diagram?
how will you check torque value during Factory acceptance Test for control valve/ESD ON/OFF VALE how will you confirm this torque value is being correct, Which document will you be refer.
why is not useing in boiler skin thermocople
the whole paper was based on Transducers..questions like define repeatability, error,accuracy,precision..den there were many q. on the conversion of Pa to mmHg and other units.. also..der wer few Q. on some level sensors(with diagram)
