Why the industry's standard current standards are from 4mA to 20mA,not from 0mA or any other range?

3 Answers  

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Absolute pressure is 700psi,what will be the gauge pressure?

1 Answers   IFFCO,

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how is work pressure switch& level switch?what is the principle of this?

0 Answers   Binani,

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How to convert m3/hr in tonnes/hr

2 Answers  

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in split range control valve,two valve should be in two different line and that should have some distance,and we have only one positioner feed back link.so how we connect one feed back in two control valves?if you have picture please forward me.my email id kb.syamkumar@gmail.com

2 Answers  

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What is the use of GMV in turbine?

0 Answers   Hamsco, Maruti Suzuki,

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how to know power plant process with corresbonding laws&thoeries

1 Answers   Bhel,

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what effects a surging can produce in the compressor

0 Answers   Nemat,

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what is remote mount with MTA option? (In case of Dual Sensor Vortex Flowmeter,rosemount has written in its catalog drawings).

2 Answers  

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what is disadvantage of field bus (ff)type of instrument

1 Answers  

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what is meant by cold junction compensation. where it is used.

1 Answers   SRACO,

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How to Calibrate Vibration Probe (Axial, Redial) in field

0 Answers  

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