Interested to Buy Any Domain ? << Click Here >> for more details...
Why we are using 4-20 mA as Analog signal transmission
other than 3 to 19 or 2 to 18 or 6 to 22 like wise ? What
is the reason behind using 4 & 20 mA? Can anyone give
proper technical reply ?
- 5 Answers
- 12370 Views
- Air Liquide, I also Faced
- E-Mail Answers
Answer Posted / abhishek
this 3-15 psi later used in electronic signal as 4-20mA. 4mA
used as live Zero , & 20mA is current so
20mA*24V=480mWatt. this power if we increase any signal
wire can cause such type of arc that can cause Fire.
| Is This Answer Correct ? | 4 Yes | 4 No |
Post New Answer View All Answers
In Safe Guarding test what means by "Failed to Danger" ?
what are the values of fuel flow rate in various places in boiler.
which type inter lock use in petrochemical refinery,and oil & gas?
how to calibrate 0- 150 psi presure gauge by dead weght tester
I faced several time siemens ps2 positioner automatically getting Chang in it's set point direction after auto calibration So is there any causes biside this or any permissives ?
WHAT IS MEANT BY PROJECT MANAGEMENT STRATEGIES IN INSTRUMENTATION?
Please asked me How calculate DCS controller memory.
what is installation and commissioning of (fat & sat) of power plant dcs ? this question keeps in desirable conditions of one company .
applications of plc in printing and packaging?
what diffrence b/w plc s7200,300,400
PT RTD Range: -200 to 500 degree celsius If I configured in DCS Lower range and Upper range . In face plate it shows red colour due to overa range how was the characteristics look If the temperature is more than operating range. how was the characteristics look . whether its in Resistance vs Temperature curve is Linear or Non linear
How to interfacing microcontroller with a DC motor
What is intrinsic safety mean.
what is metal of piston ring
What are different types of valves?
