pls tell me whethere flame proof HMI's are available or every HMI is manufactured by considering flame proof standard.

3 Answers  

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what r all the type of viberation measurement measuring in turbin? what's the output of viberation sensor?

2 Answers  

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What is the loop calibration? Which instrument used to loop calibration and how?

2 Answers   Descon, QCon,

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Hook up resistance decade box to temp.transmitter.

0 Answers   CCIE,

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In split range control, we will control 2 outputs with time interval. Eg :(with 4-20 ma signal, for 4-12 ma we are operating one control instrument like valve & for 12-20ma we are operating other control instrumet (other valve). If we get a signal of 15ma to first instrument (Valve 1), what will happened to the first valve, and if we get signal above 20 ma to 2 valve what will happened ?

3 Answers  

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why the SCAN time of DCS is more & that of PLC is less? if the SCAN time of DCS then why we use DCS.

4 Answers  

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what are the steps I have to deal with?

0 Answers   ONGC,

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testing of thermo-couple?

3 Answers  

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1)What is the suitable MOC for flow meters working at temperature between 200 - 250 cen. 2)In which application the mass flow meters are not advisable 3)Is it advisable to use radiation type or radar type instrument for non contact application

1 Answers  

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What do you need to consider when installing a flowmeter

2 Answers  

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Coal mill Instruments Equipments for cement plant And process diagram ?

0 Answers  

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what is intrument termination what is commisioning

3 Answers  

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