Answer / simi susan john

Double acting position er send and exhaust the air at one side of the actuator to position the valve.
Single acting positioner send and exhaust the air at both the sides.

Square root calculation for dp flow transmitter?

0 Answers  

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Guy's need your support,I want to measure closed tank level which is under vacuum -630mmHg using DP Transmitter, tank fluid density 1.38, Tank height is 7ft

4 Answers   icl,

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what happen if i increase height of displacer type LT.accuracy or sensitivity are affected.why?

0 Answers   Essar,

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how to calibrate differential pressure switch

2 Answers  

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for commissioning the DPT and Flow Transmitter , what kind of necessary activities we have to check and do? specially that orifice flange valve[ isolation valve}

1 Answers   L&T,

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What should be the ideal tapping location for pressure differential transmitter for liquid service. If the tapping taken from the top of the pipe then PDIT will work properly or not. If PDIT do not work properly then what minimum corrective action should be taken in order to solve wrong tapping locations.

1 Answers  

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What are the key components of control loop?

1 Answers  

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Boiler flame scanner advantage?

0 Answers   Fluke, Petrochemicals, Tata Chemicals,

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generally transmitter power supply having some range(12v to 35v) but the out put(4-20 mA) must same for given input.If we vary the power supply voltage then output mA also to be change according to V=IR. Is there any voltage regulator in the transmitter ?

1 Answers  

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How to Calibrate Temperature Switch in field

0 Answers  

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Which buffer solution is used for PH transmitter calibration?

3 Answers  

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Can anyone help me with the Question bank(objective type) for complete Instrumentation engineering,either a soft copy or a Hard copy(Book),or the name of the author ,or publisher.

1 Answers   Reliance,

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