Answer / palanisamy

In orifice plate the area is constant & Dp is variable.
Whereas in the Rotameter the DP is constant & the area is
variable.

Answer / asfaqh amir m

rotatmeter is maintaing constant differential pressure and
orifice plate does not like that it will differ.

Answer / yakin patel

Rotameter it self flowmeter and orifice is obstracle plate which is used for flow mesurement in dp type trnsmitter

why we use 3 wire rtd direct wiring for temperature measurement instead of temperature transmitter like bearing temperature

1 Answers   ABG Energy,

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how does we calibrate a square root flow transmitter ,give an example and explain it step by step like range calculation , calibration hook up series connection , zero check , and how to apply pressure , and if not geting proportional output then what should we do ?

1 Answers  

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how to design orifice plate?what is the equation?

1 Answers   REL,

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What is negative range in transmeter?

1 Answers   TCL,

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How servomotor controls throttle valve of TURBINE?

1 Answers  

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Specify for Cables - Flame Retardant and Fire Resistant?

1 Answers  

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With N nodes and B branches what will have a network ???

1 Answers   BSNL,

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what is the difference betwwen the 2wire level transmitter and 4wire level transmitter??and their applications also??

2 Answers  

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what is buoyancy law?

1 Answers  

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what is span adjusment of transmitter? what is the function of positioner/

2 Answers   Kent,

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why we are using pnp npn for sensors is there any other type?

1 Answers   CGL,

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what are the pinciples & units of flow, level, temperature, pressure, quality.

1 Answers  

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