Answer / k.chandra seakhar

the flame sensor is working depend upon the ultravilot rays

Answer / sibapati acharya

Despite the type(which is dependent on frequncy range of
flame),the basic principle is that a concave lens is used
for directing the flame rays to a photo diode. the current
produced from the photo doide is condtioned for flame
detecting in BMS.

Answer / nilesh karpe

There are 2 types of flame detectors in market viz: IR
(infra red ) and UV (ultravoilet ray).

How to connect field devices to PLC and DCS using a FIELD BUS, DP,MOD BUS(please tell me any extra interfce or adopters need in this case if we use remote i/o s)

3 Answers  

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How to check electrical health of Vibration probe?

1 Answers   QAFCO,

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Sir,I am going to sit for IOCL written test exam. recently.Can anyone tell me the name of 'Objective type Question Book on Instrumentation Engineering ' which will help me. Pl. mail to bidyut_71@rediffmail.com / bidyut.saha2008@indiatimes.com / bidyut.saha09@yahoo.in

0 Answers  

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I am using Capacitive type level transmitter for measuring oil level in a closed tank (lub oil tank). The txs range is 1500mm, and they do hunt regularly (for about 45mm), can anybody tell what could be the reason??? or any other type level tx that could be used to avoid this?

1 Answers  

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how to make a calliberation for deffirential pressure

3 Answers  

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Is Hart communicator calibration device or communicating device for transmitter?

4 Answers   Yokogawa,

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what r all the closed loop used in boiler? for this related tell some web address..

3 Answers  

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What is the live zero and dead zero

2 Answers   Samsung,

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Make Heater Process Logic.

0 Answers  

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what is formula mv convert to temperture

4 Answers   Sterlite,

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why we use casced loop

6 Answers  

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how is work pressure switch& level switch?what is the principle of this?

0 Answers   Binani,

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