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why we should maintain neutral earth voltage below 1V while calibration? why cant it be 1.2V or 2V
2445a laways iface problem with brine level transmitter sealing diaphram a laways giving error and maximum reading i made re range and adjust with side glass but during commission it giving gap reading between it and side glass i need help from expert to explain how to calibrate it. note:dp transmitter yokogawa company
1 3903We do have a problem in the company that is one PT connected to PlC which is mean 1 out of 1 in PLC system we do have the PAHH is 55 mbar and PALL 8 mbar with a timer of 15 sec for the PAHH the problem started when PAHH goes more than the set point which is 55 it reached up to 71 but due to timer doesn't trip . We force it and we checked everything nothing there . We replaced the transmitter problem still there the reading goes more than the 55 bar the range for transmitte is 0- 60 mbar . So we did loop check , aculaizing valve , wiring all are okay . What the possible causes for this ???
2 5250why we are using ungrounded RTD sensor and what is difference between grounded RTD and Ungrounded?
1 14936I want to use 1/2 inch SS316 tube in my high pressure & temperature (64 kg/cm2 & 500 deg C)after condensate pot in pressure tranmistter. 1) Is it possible to use 1/2" ss316 tube in high pressure and temperature line. Tube manufacturer is local vendor. 2)On sarting the plant, We need to do system fluse that time condesate is not in the condesate pot so steam is directly contact with the tube. We have no exact calculation to know our tube is ok or nor at this time. pleae,reply.
1 5345what are different types of cables used in instrumention how to calibrate a level transmitter online ( rosemount )
1 12709Post New Instrumentation Questions
I was working on calibrating turbidity transmitters endress+hauser at effluent polishing plant.We calibrated using NTU buffers.What happened is that when we immersed the sensor, everytime we raise and lower the sensor gradually, the reading will vary.my question is that is there any specifications on what is the required distance from the bottom of the container with buffer to the face of the sensor?Is it ok to install the sensor in a medium which has turbulence specially if bubbles are present?
Sir,I am going to sit for IOCL written test exam. recently.Can anyone tell me the name of 'Objective type Question Book on Instrumentation Engineering ' which will help me. Pl. mail to bidyut_71@rediffmail.com / bidyut.saha2008@indiatimes.com / bidyut.saha09@yahoo.in
how can leve transmetter calibate in feild .and also put cv and flow plz .....
Tell about your IFFCO plant visit.
installation process of orifice,a question asked for confusion creation in interview by BARC 1.if orifice is tightly fitted with pipe ,it will act like venturi 2.if orifice is left hanging in between liquid it will not create the pressure difference exactly,
what is the advantage of submersible level transmitter compare to ultrasonic level transmitter?
Draw block digram for well head from well to shipping pump?
please tell me what is a light up procedure of Cfbc boiler and what it's axuillaries of cfbc boiler?
How many ohms are required for proper earthing?
why 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 ?
1.what is the power consumption of three element drum level control in sugar industries? 2.how to reduce that?
what is the electrical operation procedure for switching on 27.6MVA electric furnace.
why we should maintain neutral earth voltage below 1V while calibration? why cant it be 1.2V or 2V
How to regulate the flow of Air in 4" line, with max flow of 330 nm3/hr and Pressure of 0.5 bar? please suggest the type of instrument required.
plz you help about Que paper of mahagenco previous your,any model paper relad to it{maharastra power genration}
