Answer / ejazmaqsood

because the ma will not drop during any resistance of the wire. voltage can be drop. regarding the 4 ma its live zero mean running condition. we cannot the confirm that our instrument live or not.

how to measure the output of RTD given the general formula of  rtd.  

2 Answers  

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how to check thermocouple ,its working or not?

14 Answers   Coca Cola, Ford, Honeywell,

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I am pujita completed Electronics and Instrumentation Engineering.As a fresher i am going to attend the interviews.Could anybody guide the topics/questions covered mostly in interviews.

11 Answers  

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Boiler flame scanner advantage?

0 Answers   Fluke, Petrochemicals, Tata Chemicals,

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What is cv of control valve

4 Answers   Cadila,

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Tr. Wiring for calibration.

0 Answers   CCIE,

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How to connect another 24 volt dc power supply in circuit when previous power supply has become weak.what is the connection?

2 Answers   Bhole Baba Dairy Industries,

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plz send me general of ongc

0 Answers   ONGC,

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For 150 mtr cable run from DCS panel to transmitter (24 VDC with 4-20 ma output), need cable size. 1.5 sqmm is suitable?

2 Answers   NA,

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If the vibration probe near to the shaft,then output voltage will be decreased r increased?How?

1 Answers   Amtek, Hamsco, IJT,

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How to zero trim the level transmitter by using foundation fieldbus communicator.

2 Answers   Emerson,

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how many types of sensor in instrumentation

3 Answers   SRACO,

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