canu tell me why 4-20 ma and why not this 3-25ma?please give reason of this value.

6 Answers  

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what is a vortex flow meter,mass flow meter and electromagnetic flow meter.particular use of this.means in which condition particular meter is used.

0 Answers   L&T,

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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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can we use a control valve without positioner

19 Answers  

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why we are giving negative supply for vibration sensors?

3 Answers   Shell, Solex,

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how can leve transmetter calibate in feild .and also put cv and flow plz .....

0 Answers   IBM,

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how level can be measured in open tank with reference to pressure

1 Answers   Atul, INOX,

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how to connect the HART protocal with control valves

1 Answers  

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what step is taken for ESD ( emergency shut down) in DCS REPLY to hashimka20009@gmail.com

0 Answers   Bosch, Eskom, Sabic,

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difference b\w a transducer and a sensor

4 Answers  

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which are types of orifice tap ?

2 Answers  

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what is meant by control valve sizing?

3 Answers  

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