Why 4mA-20mA current loop selected as standard ???
because the ma will not drop during any resistance of the wire. voltage can be drop. regarding the 4 ma its live zero mean running condition. we cannot the confirm that our instrument live or not.
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what is orifice plate? Give me best answer?....plz
State four different types of flow measurement, for gas flow measurement MMSCFD is the common unit expand the unit and specify significance of word S in the unit.
what u mean by speed control in turbin? how it was working?
what is the different between deflection type measurement and null type measurement in RTD?
what is loop1 and loop2 in MTS LT?
what is written on orifice plate?
How to Calibrate Coriolis Flow transmitter in field
Hot calibrate a level transmitter (wet & dry legs)?
Can we use thermocouple in generator of power station replace RTD(pt 100)? if we don't have any place for use RTD.
If any control valve create hunting problem, what is the possible reason and solution?
Area classification, Equipments, Gas groups, temperature classification, Ingress protection, Fire Extinguishers.
If I want to buy a pressure switch & 3-way valve for hot water application then witch parameter I should consider.
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