Answer / mugil

Where below atmospherics pressure or Vacuum pressure(Negative) is to be maintain in that case mbar is using.Because milli bar is using very low pressure application.

Where above atmospherics pr is available in this case Bar is maintain

Answer / samir

mBar and Bar are both pressure unit. As per our system pressure we used the desired unit range transmitter or switches. As example if we have to measure PA fan header pressure pressure it's range very low as 5-10 Kpa,eg; 50-100mabar. So here we can used a transmitter or switches in bar unit instead Bar.

I need control valve ISA hand book. Is there any site to download that big book containing all the pages. Written by Paul Friedmann

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i have 80cm water tank.how can i use DPT as level mesurment.pls give specs for that..? We have air comp.from that moisture comeout to one tank.i want to mesure level of water in that tank and then after operat one sov to dicharge water after high level.

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testing of thermo-couple?

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Definition of level

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field bus transmitter calibration procedure tell me

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Draw a great bridge circuit.

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