what is the difference between -24 : +24 & 0:24 and where it use?

0 Answers  

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whats the reason for control valve not installed -90degree (down position)

1 Answers  

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what is the primary sensing element in flow or pressureand level transmitter?

5 Answers   Power Grid,

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What is the function of solenoid valve in on/off & shutdown valve and why it is not used in control valve normally?

0 Answers  

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GIVE THE TEMPERATURE RANGE OF PLATIUM RESISTANCE THERMOMETER.

7 Answers   DVC,

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How to calibrate electronic type level switch low?

1 Answers  

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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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WHY WE WILL USE 0-24VdC IN ELECTRONIC CIRCUITS AND INSTRUMENTATION TRANSMITTERS?

3 Answers   Aban Power, Jindal, JSW, Sugar Factory,

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what r all the closed loop used in boiler? for this related tell some web address..

3 Answers  

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what are the use of belew gear in general ??

0 Answers  

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difference between dcs & pld

2 Answers  

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What is the relationship between Sensor

6 Answers  

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