Answer / amit patil

YES ALL INTYRENSIC SAFE TRANSMITTERS R BOUNDED WITH ZENSER
BARRIERS BECAUSE THESE R HAZARDOUS SIGNALS COMMING FROM THE
FIELD, SO TO AVOID ANY DANGEROUS EFFECT TOWARDS THE PANNEL
SIDE BARRIERS R USED THESE R SO THAT IF MORE CURRENT IS
COMMING FROM YHE FIELD THEN THE BARRIER BECOMES OPENE TO B
SAFE FOR PANEL SIDE.

Answer / suresh

For safety of DCS input card. Possibility for short circuit or high current came from field so berrirer working as fuse it will get open so current not pass to card.because card

What are the different modes of a contollogix family processor? How they work?

3 Answers   Honeywell, Siemens,

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Q- Why Phase tester is only used for checking AC not DC ?

1 Answers  

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in sulfur process what is material of impulse line we use to connect with transmitter ? and does teflon affected by sulfur?

0 Answers  

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i want use pressure transmitter for flow ,how?

5 Answers   Gasco,

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Q1]IF THE RANGE FOR FLOW IS -35 TO 125 WHAT WILL BE THE SPAN FOR ABSOLUTE AND FOR NORMAL? Q2]HOW TO CALIBRATE CAPILLARY TYPE LT? Q3]HOW MANY ERROR CALCULATIONS ARE THERE USED IN PROCESS INDUSTRIES? Q4]HOW TO CALIBRATE TEMPERATURE TRANSMITTER? Q5] HOW TO CALIBRATE LEVEL TROLL AND HOW TO CONNECT? Q6]PLEASE TELL ME THE BASIC FOR INSTRUMENTATION WHICH IS APPLIED FOR CALIBRATION AND FOR ALL? PLEASE MAIL THE ANSWER TO honest_yes@yahoo.in

0 Answers   Cegelec, Honeywell,

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Dear friends, I have a question: We work on a project which has some boilers to provide steam for desalination unit. The boiler area is safe and the only hazard source is the fuel lines of boilers. I want to know according to NFPA standard which type of instrument should be selected on the fuel line: Eex Type or Non-Eex type? Thanks in advance

2 Answers  

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what is the difference between cold loop and hot loop

2 Answers  

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HOW MANY METHODS OF TEMPERATURE MEASUREMENT ? HOW MANY MEASURING DEVICES / TRANSDUCERS ?

6 Answers   Aramco, IOCL, JP Group, NFCL,

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Explain the usage of the PLC system?

3 Answers  

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how many types of orifice plates?and explain about it?

2 Answers   Kesoram,

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Why we are using DPT(Differential Pressure Transmitter) in separator instead of level trasmitter?

0 Answers  

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How can corrosion alter the accuracy and precision of a C- Bourdon tube pressure gauge?

1 Answers  

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