how to relay switch sense the fault?
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Which are all the commonly used Bordon tubes in the pressure gauges. Do any one use ASTM A 312 tubes for this purpose?
what is the differnce betweeen hart and smart tx
what are the standards used for earthing instruments in the field?
defination of plc? why we use plc? application of plc? advantage of plc?
why dead weight tester called dead weight tester.
What is pressure,What is temperature,What is flow,What is level
An equipment is certified for EEX, IA, IIC, T6, what do you under stand by this.
How can I make calculation for Install level transmitter (DP) for open tank and cloes tank?
why we used for range in pnumatic 3-15 psi and current 4-20 ma?
Regarding , there is an air cooler which control the fans(50% of AV FANS) by temperature in outlet , and the louver of Air cooler is controlled by HIC from control system , So if on Air cooler we will consider 2 individual I/P converter or positioner?
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how can we measure the level measurement with the help of pressure gauge?
Why do we use 24V DC supply in instrumentation? What are its merits and demerits??