in any transimitter (flow/level) there are three terminals for supply& test (+,-,+)in two wire,24VDC given to Tx.,but how 4-20 ma signal travels thru same wire (as it is for 24VDC input supply)?

1 Answers   Jindal, UltraTech,

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what is the minimum power (P=VI)to produce a spark?

0 Answers  

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how to check diode wheather it is working or not by using multimeter?

3 Answers  

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What is Erosion in a control valve?

0 Answers   CCIE, Fisher,

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WHAT IS THE DIFF BETWEEN FREQUENCY AND INTENSITY?HOW IT WORKS IN FLAME SCANNER ?

1 Answers  

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Difference between ultra sonic flow meter

0 Answers  

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How servomotor controls throttle valve of TURBINE?

0 Answers  

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what is difference between HOT permit and cold permit

0 Answers   Petro Rabigh,

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What do you know about gail?

0 Answers   GAIL,

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Hi, am aniket, I got engineering degree in instrumentation and control, but as their were no job availabilities for engineer's post I started working as instrumentation technician I kuwait, so my question is is this technician's experience worth for getting the position of engineer?

1 Answers   Almeer Technical Services,

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I have applied the post Junior Engineer-(TM)in R.R.B CHANDIGARH recently . what type of question i have to practice and which book ?. can i get any model question paper?

3 Answers   RRB,

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can we replace a pressure transmitter of range 0 to 25 Kg/cm2 by a Pressure transmitter of range 0 to 10 Kg/cm2 ?.. Will it affect 4 to 20 mA output signal which we will feed to the PLC.

9 Answers   IOCL,

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