Answer / vishal patel

my name is vishal patel.i am from surat.i am instrument technician.
I have 10 years experience in instrumentation field.i have good
knoledge in calibration,troubleshooting and maintanance of
various types of SMARTand NONE SMART instruments.and i have
very good knoledge of loop checking and commissioning.i had
just complate
project of poly ethylene and normal alpha ollefines plant in
Qchem II qatar with tecnimont itly.also i had worked in saudi
arebia,bahrain,abudhabi.
In india i had worked in reliance,essar,ongc and gujarat electric
board.
I am familier with dcs plc and foundation fieldbus systems

SIR MAY I KNOW IF RADAR TYPE LEVEL TRANSMITTER SHOWING IN THE FIELD 0 % LEVEL AND IN DCS SHOWING 100% THEN WHAT IS THE CAUSE I CLEAN THE CHAMBER & TAKEN ONLINE BUT ONLY ONCE ITS BECOME ZERO IN DCS BUT AGAIN 100% SHOWING IN DCS,THEN I REMOVE THE POWER SUPLLY AND CONNECT IT AGAIN .IS IT OK BUT STILL IN THE DCS ITS 100% AND ON THE DISPLAY ITS INITILAZIATION PLEASE HELP ME READRING THIS?

4 Answers  

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p=hdg,please explain these parameters?

7 Answers  

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what is flow equation of kg/hr to m3/hr

2 Answers   Philips,

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what is difference between 1/2"NPT & M20 x 1.5 cable gland?

8 Answers  

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POSSITIVE PULSE IS APPLIED TO AN INVERTER INPUT.THE TIME FROM THE LEADING EDGE OF THE INPUT TO THE LEADING EDGE OF THE OUTPUT IS 10 ns. THE TIME FROM THE TRAILING EDGE OF THE INPUT TO THE TRYLING EDGE OF THE OUTPUT IS 8 ns. WHAT ARE THE VALUES OF tPLH and tPHL?

0 Answers  

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what is the usage of QDV & VOLUME BOOSTER.

2 Answers   ADMA OPCO,

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Name different parts of a pressure gauge. Explain the use of hair spring in the pressure gauge.

0 Answers  

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where is a level displacer is used?

9 Answers  

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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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In close vessel/ drum why we use d.p. transmitter of -ve range i.e. (-)500 to 0 mmwc.

2 Answers   IMECO, Voltech,

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Explain signal isolator

0 Answers  

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can we replace a pressure transmitter of range 0 to 25 Kg/cm2 by a Pressure transmitter of range 0 to 10 Kg/cm2 ?.. Will it affect 4 to 20 mA output signal which we will feed to the PLC.

9 Answers   IOCL,

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