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-/5A. What is the meaning and limitations of this in energy meter constant. It is a 3 phase LT Energy Meter. If this Energy Meter is connected through a CT of ratio 200/5 Amps, then what is the multiplying constant and how its will be calculated.
24501.In which princeple DP transmeter works? 2.Why UPS system is use for DCS? 3.How drum lvel controller works? 4.What is the difference between glob valve and gate valve? 5.How axial shift probe work & in which princeple it works?
1 8450What is exact difference between the panel earthing and system earthing in DCS system. What is the value of resistence.
2662while stroke checking of a linear control valve ,found its travel is in non linear ,what can be possible reason ? ( please answer send in mannanali65@gmail.com) pls pls pls if any body know
2 6574I want to buy a seal kit of a pneumatic power cylinder.But I don't know it's specification.So please help me to know its specification.
1930What is critcal speed. what is resonant frequency. why we want to cross crtcal speed on higher RPM (early).
2145flow transmitter range is 0 -500 mmwcc but the transmitter shows 12 ma for o mmwc instead of 4 ma ...how to solve this problem when we apply 375 mmwc it shows 16 ma
3 7693My rtd working well at the same time r/i converter is not working properly.when power is given to rtd..it is giving 30mA and getting 2.4 mA if i remove the compensate leads No matter how many ohms.why it is happening like so?what is the solution?rtd range-0-200deg c& 4-20 mA o/p.please give me solutiin anyone......
1 4337why any measurement made interms of pressure is more accurate ? to be more precise most of the flow velocity is made interms of pressure and it is accurate. what is the reason behind pressure measurement being accurate ?
1905Post New Instrumentation Questions
Introduce yourself which is not present in your biodata?
What is the main difference between Cavitation and Flashing?
what is exact time to study dcs and plc cources
How to fix back the valve actuator stem
What is the GK Value in Flowmeter?
how the arrangement of equipments done in control room
what is the protection system in solar turbine compressor
In VVVF DRIVES VOLTAGE IS ALSO VARY WITH THE FREQUENCY. HOW? WHAT IS THE DIRECT FORMULA RELATING THESE TWO.
Explain the difference between plc and cnc?
Why ac supply load cell is used? Can we use the dc supply load cell?
What is the working principle of the magnetic meter?
how many pulses are required by a ac induction servo motor of 4 poles with 50 Hz frequency to rotate by 1 degree?
how to commission furnace ( water heater)
How will you calibrate an Absolute Pr.Transmitter of range 400mmHg absolute ?
give eg of how I/P is used in control loops
