shakeel


{ City } lahore
< Country > pakistan
* Profession * engg
User No # 50400
Total Questions Posted # 0
Total Answers Posted # 1

Total Answers Posted for My Questions # 0
Total Views for My Questions # 0

Users Marked my Answers as Correct # 5
Users Marked my Answers as Wrong # 1
Questions / { shakeel }
Questions Answers Category Views Company eMail




Answers / { shakeel }

Question { 9370 }

why we use 4-20 mA for calibration of the instruments.why
we cant use 0-20 mA?


Answer

logic zero is show no current in circuit but we use 4 mili amp for instrument is on and ready for use and lower 4 mili amp current relation with non linear ..

Is This Answer Correct ?    5 Yes 1 No