Answer / faiyaz

Level sensor
Pressure sensor
Temperature sensor
Flow sensor

Answer / ami

1 capacitive
2 resistive

Answer / greenborhan

Actually there so many types of sensors used in instruments. But in industries we use mostly the following sensors...

1. Proximity Sensor
2. Light Sensor
3. Flame Sensor
4. Accelerometer Sensor
5. Magnetic Field Sensor
6. Temperature Sensor etc.........

greenborhan@gmail.com

what is unit and element of viberation?

1 Answers   Kentz, KOC,

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dear sir we have insatlled positioner model no.sipart PS2 make Siemens at our control valves . now problem is if we want to increase the response of valve opening speedy /fast. what parameters do we change for positioner ? any idea. please guide us.

0 Answers   CPL,

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can we replace a pressure transmitter of range 0 to 25 Kg/cm2 by a Pressure transmitter of range 0 to 10 Kg/cm2 ?.. Will it affect 4 to 20 mA output signal which we will feed to the PLC.

9 Answers   IOCL,

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what is the approximate cost of U tube manometer having range 1000mmwc to 1000mmwc?

1 Answers  

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Q- Ordinary Water Tap is which kind of controller ? P , PI or PID i chose the option of ON - OFF type controller but ambiguity is that for different positioning of tap we get different flow

1 Answers  

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A motor is taking 15 Amps at no load and 60 Amps at full load. and a valve has to open 10% at full load and 80% at no load. How to draw ladder logic.(PLC).

2 Answers  

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Im working in a shopping center, it is also hotel and office building, two towers exactly and someone is proposing a PLC control for the HVAC system, but Im thinking of a DDC control system. in this case what is the difference between PLC and DDC control?

1 Answers  

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how is a displacer type level transmitter calibrated.explain the method?

2 Answers   Emirates,

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What is inside the PLC panel? How does instruments communicate to DCS computer via PLC? What is the type of wiring in PLC connections? Please answer... Thanks

1 Answers  

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how to make temperature closed loop

1 Answers  

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Why we use mmwc unit for pressure

3 Answers  

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how to calculate signal cable sizing? and multipair cable sizing??explain in brief?

0 Answers  

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