Answer / amit

two wire system means power supply of instrument and signal
output both communication coming through 2 wire only.

Answer / asim

By 2-wire it means the transmitter is powered form the
system to which it is connected... normally 24VDC and 4-
20mA signal is connected to the control system using only
one single pair of wires.

how many type of control valve?

10 Answers  

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when the force applied on load cell the ohms will be varriying .and how its convert ohms to mv generate and have any formulae?

1 Answers   UETCL Uganda Electricity Transmission Company Limited,

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I want to measure level under vaccum by using DP Tx and vaccum vary between -500 to -670 mmHg and process fluid is accetic anhydride if consider process fluid density 1 kg/cm2. how to calibrate Tx ? consider level is 0 to 100 Cm.

1 Answers   CCC,

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Can anyone explain about ELectropneumatics principle?

1 Answers   Forbes Marshall, Step,

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What is meant by Fail Safe Condition in PLC?

4 Answers  

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what is the diffrene between DCS System and PLC System

5 Answers  

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What is the solution if rotork motorised control valve showing pink Colour in dcs.

3 Answers   Bhushan Power Steel,

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wHAT IS BURST MODE IN TRANSMITTER?

1 Answers   Bhel,

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what is the basic principal of vertax flow meter

3 Answers   Balrampur Chini Mill, Saba,

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what is PID n give me brief info. about P&I&D.

2 Answers  

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what is pyrometer? which purpose it has to be used?

2 Answers  

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How does your previous experience relate to the job you are applying for ?

0 Answers  

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