typical loop drawing of a simple feedback control comprising
of one transmitter and one control
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A pressure Tx accuracy is 0.2%. Signal o/p is 4-20ma.span is 16 Ma.how many deviate the o/p then calibration needed
Which instrument used to calibrate the pressure switch?
Where are use of pressure,level,flow switches?and what is input and output
how to wire from pressure transmitter to marshalling panel and panel to controller and controller to dcs plz give the answer with example .
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What is cut off relay? And why use in PLC and DCS?
why full bore ball valve is not used in steam applications?
what is pico fuse? how this different rom othe fuses and how to locate it inside the card?
how can we calibrate RADAR LEVEL transmitter 0% to 100%
3 Answers Chevron Phillips, Honeywell,
3. Differentiate between ultrasonic flowmeter and radar type flow meter.
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