Please why do we use 4-20ma in instrumentation engineering
Answer Posted / hassab
for detecting the cut-of wires (0 mA)
Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
What is the exact differences between HART,FOUNDATION FIELDBUS,PROFIBUS?
what is the input of digital counter during the the calibration time?
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
What inherent design and operating principles are included in a modern control system to use predictive maintenance practices to increase overall system reliability?
Why thermo wells are used? What materials are used in thermo wells?
Explain PID controller tuning & any one method used for it.
centrifugal compressor interlock? Tell me the parameter at which compressor will trip
How can we test a bently nevda 3500/42M accelerometer monitor card by simulating it with test equipment?. what king od of signal (milli volts or volts or or resistance ) we should feed in the terminals of the card?
detail of mass flow meter pricipal
Describe the functions of the Operator Interface including the considerations related to alarming and display layout/configuration/layers.
what is droop in governer ,type of droop ,how it work
when placing a vent or drain hole on an orifice plate should you measure from the center of the bore up or down for the vent placement?
what diffrence b/w plc s7200,300,400
1)How many tpes of vibration probe and how many tpyes of vibration. 2)how we can calibrate a vibration probe with tk3 3)what is RMS value in vibration measuring application and how we calculate it.
How to convert milliampares into flow??