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A temperature sensor (RTD) connected via a temperature transmitter is adjusted to give an output of 4ma at 60 deg and 20 ma at 600 deg. This output (4-20ma) from the transmitter is connected to an IGBT-inverter to control a high speed (-12,000 to +12,000 RPM) DC motor. And in the inverter it is programmed as, for 4ma the motor speed will be -3,000 RPM and for 20ma the motor speed will be +10,000 RPM. The question is : If the motor speed is +5,500 (RPM), what will be the temperature? (-sign indicates that the motion is in reverse direction).
9 10689who's take first position in process in the timing of new installation flow transmitter and control vavle. give the answer with logical trick.
2 5295Hi,can anyone help me out with PhD programs related to Instrumentation field?I have a degree in electronic Instrumentation?
1983what is o2 analyzer and how it measured ,what is the role of this analyzer in cfbc boiler...
2 13001what is air to open and air to close control valve and difference btwn this...and how to measure milli amp by this...and what is the role of positioner and i/p converter in this..plz help me
2 46012Post New Instrumentation Questions
If a warning lamp will operate with the ground circuit is bypassed with a jumper wire to ground, what should you check?
when placing a vent or drain hole on an orifice plate should you measure from the center of the bore up or down for the vent placement?
what is interface level measurement.who can calibrate interface level measurement transmitter online
How flow can be measured with dp?
In my company plc based winders are operated. one day there was a data transmission failure alarm shown on pc. as per sir instruction we have reset master plc but winders were not triped and alarm gone. so what master plc do?
please tell no. & add. of consultancy who recruit me in power plant as instrumen engg. present i m working in power plant as ass.t instrument engg. thanku mahesh 09226562826
how do we commission inergen system?
Can I calibrate the Electromagnetic Flow Meter on line and How.
what are the steps I have to deal with?
HOW CREATED LP & HP PRESURES IN DRUM FOR DRUM LEVEL MEASUREMENT!
What pressure results for a flow transmitter of range 0- 180t/h in the dcs and 0-301mbar in the field using square root extraction. Kindly also suggest formulae for the percentages 0,25,50,75,100?
use of split range ? where it is used ? in which control loop it is used ?
-/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.
what is a good line as ic engineer as maintenance ,oc, project, calibration ,validation engineer?
the pump holds on run indication into the dcs and filed local control panel remote push button condition operaton wrong like when the push button pushing conditions the pump is off and the push button release condition the pump is on totally opposite condition . And control room inside give the stop command into dcs just 1secon relay engage and again normal condition. How can I slove
