Answer / jspatel

One should confirm whether it is isolated and drained

Answer / ahmedallam

verify the instrument with technical data sheet and spec

Answer / fazil

one should have work permit..operator will control the signal manually.. close primary valve and manifold also
drain existing liquid or gas by drain plug.

remove termination and glanding also tape it to avoid short.then you can remove instruments

if i change range of flow transmitter in th field then does it need to change range in dcs?

3 Answers  

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what the differant between Wet Leg /Dry Leg

2 Answers   Sepam Group,

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Define the terms Accuracy, precission, Spam, process tolerance while doing calibration of an instrument? Explaini with an example?

0 Answers   AquaTech,

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what is absolute pressure, gauge pressure and atmospheric pressure?

2 Answers   Mother Dairy,

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Someone Please tell me what are the Pre-Commissioning activities in a Thermal Power Plant for an instrumentaion Engg.

0 Answers  

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please tell me five types of fault of control valve and positioners?please

1 Answers  

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1. Pl. send details about different types Gas Analyser, like Co2, O2, SOX/NOX, etc. with calibration procedure. 2. How to calibrate H2S gas detector in field?

1 Answers   HPCL, Napesco,

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if in a level tx height is given, how u calculate the ranges of the tx?

2 Answers   Bombay Rayon Fashions, Invensys,

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i have 20 kw motor & my vfd drive capcity is 18 kw if possible to use 20kw motor on this vfd?

4 Answers  

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why we are not using the turbine flow meter in the steam service?

0 Answers   Jaypee,

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WHAT IS SMART SENSOR AND DIFFERENT B/W SMART SENSOR AND SENSOR??? PLS GIVE ME ANSWER AS SOON AS POSSIBLE.....

1 Answers  

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can someone tell me about electronic speed switch &how it conect with proximittyswitch?(with dgm)

0 Answers  

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