Answer / p r j

What is your temperature range? if it is 0 to 500 deg. C
and no vibration in area then you can easly go for RTD with
transmitter and indicator.
How high temp. you can use J type thermocouple with
transmitter and indicator.
above 1000 dg c use K type for R type. While using
Thermocouple be carefull about Cold Junction Compensation.

What is the deffernce bet. Instrumentation and Electrical Enginerring?

1 Answers  

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when an eddy current probe is installed inside of a turbine or compressor in case of probe problem same as:crash of head of probe,changing the scale factor because of low measuring gap(physical gap is ok(example=1.14mm)but voltage is reduced(example=-6 volts),is any way to check the probe,when the ohm of probe is ok.thank you,(Karim Tavakoli)

1 Answers  

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why fuse block is not used for AI signal?

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which types of oxygen analyzer describe with drawing ?

2 Answers  

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How do you identify an orifice in the pipeline?

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What are different types of orifice plates? State their uses.

0 Answers  

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how to measure low temperature(<100 dec celsisus) with non condact sensor

2 Answers  

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Dear Sir/Madam, I am attending an interview for ETs in BHEL. I have cleared my written test under Electronics (Instrumentation). This is the first time I am appearing for an interview. Can any one who has attended the interview earlier give me a clue to face the interview. With regards Sindhu

2 Answers   Siemens,

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How to Calibrate Flammable gas detector in field

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why use 50% lel methane gas concentration for gas detector calibration instead of 60% lel gas concentration whereas the hi alarm set at 60% lel.

0 Answers   ONGC,

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WHAT IS A CALLIBRATION? WHAT IS MEEAN BY LOOP CHECKING INCLUDES PRESURE, THERMOCOUPLE,TT,DT?

5 Answers  

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Can we place a Control Panel in Hazardous area Group IIC ? If 'yes' then is there any approval required? If 'yes' then there is any specific IP rating or any standard required? If 'Yes' What is MOC of control panel?

2 Answers  

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