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SIR MAY I KNOW IF RADAR TYPE LEVEL TRANSMITTER SHOWING IN THE FIELD 0 % LEVEL AND IN DCS SHOWING 100% THEN WHAT IS THE CAUSE I CLEAN THE CHAMBER & TAKEN ONLINE BUT ONLY ONCE ITS BECOME ZERO IN DCS BUT AGAIN 100% SHOWING IN DCS,THEN I REMOVE THE POWER SUPLLY AND CONNECT IT AGAIN .IS IT OK BUT STILL IN THE DCS ITS 100% AND ON THE DISPLAY ITS INITILAZIATION PLEASE HELP ME READRING THIS?
4 7517while am calibrating Drager polytron 2IR flame gas detector occured non zero status.how can i get zero status?
2209if we open the inlet of an air regulator ,how it will affect the out put of regulator? (out put of regulator is using to operate an on-off valve.it is an air to open valve,and valve is in open position.my doubt is air regulator will hold the valve in open or not,if there is no consumption or leak in regulator out put side ,we only loose the input pressure.)
4 7269Can I route 110 VDC and 24 VDC in a same Duct for our Interposing relay cabinet? IF yes or NO Please provide me IEEE Std. for the same. Please i required it on Urgent basis, i need to design IRP Cabinets and we have MCC 110VDC and Our Coil side is 24VDC, Please help as soon as possible.
2280what is the PC interface and software for connection to ABB logic module “ LM011-CE18RAC “ ( for Programming ) ??
4023Post New Instrumentation Questions
how the arrangement of equipments done in control room
Conversions
In a gas over oil actuator, after the opening/closing of valve, how the gas is vented out? How does the hydraulic/gas circuit function?
how works encoder in plc
How to calibrate smoke Dectector
Whatis the reset ofset and control system in instrumentation
How to Calibrate Ultrasonic flow Transmitter in Field
what is the responsibility of an instrument commissioning supervisor
What is instrumentation measurement?
how to relay switch sense the fault?
What is stripper & spilitter ? Diffrence in this.?
how to measure oxygen which methods are using?
(1) In turbine, what does term CDP, NI, NH, HSSOC, means. (2) What is the purpose of LO overhead tank in turbines.(3) An equipment is certified for EEX, IA, IIC,T6, what do you under stand by this.(4) what is SURGE, and how it is prevented, what is the purpose of bypass valve across AS valve.(5) Give 2 application of quartz crystal used for process parameter measurement.(6) what is meant by cold float of compressor shaft. (7) state four different types of flow measurement. For gas flow measurement mmscfd is the common unit. Expand the unit and specify significance of word S in the unit.(8) what is meant by Gap voltage, in vibration measurement. Normally how much Gap voltage is set and state the reason.(9) what will the new flow factor if D/P transmitter is Re-Ranged from 25” wc to 50” wc.(10) what is the usage of QDV & Volume booster.
sir,would you please send me the Hindustan petroleum corporation limited papers(HPCL).my e-mail ID is ujjwal_sharma1983@yahoo.com
Drum level tx with GP4 with zero elevation:7300mmh20 on HP and 8050mmh2o on LP as range but on commissioning the tx readiing is max,Why this reading?
