in any transimitter (flow/level) there are three terminals for supply& test (+,-,+)in two wire,24VDC given to Tx.,but how 4-20 ma signal travels thru same wire (as it is for 24VDC input supply)?

1 Answers   Jindal, UltraTech,

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wich is coming the first HAZOP OR SIL

0 Answers  

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1)how can calibrate temperature transmitter? 2)how can calibrate flow transmitter? 3)how can calibrate level transmitter?

3 Answers   ccic, Emerson, JK Pharma, NIGC, Rockwell, UltraTech,

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What is the difference bitween control net scaner and device net scaner

0 Answers   Binani,

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What is the use of gauge?

0 Answers  

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1)why we are using mostly Ultrasonic Flow meters to measure flow, rather than Radar waves? 2)why we are using Ultrasonic waves and Radar waves to measure the Level?

1 Answers   NTPC,

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Area classification, Equipments, Gas groups, temperature classification, Ingress protection, Fire Extinguishers.

0 Answers   CCIE,

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Reasons for using current as signal

1 Answers  

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What is procedure on mmwc in to tph

2 Answers  

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What is the out put of pressure switch & electronic pressure transmitter.

5 Answers   ADMA OPCO, Al-Barrak,

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Define cryogenic?

0 Answers  

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when i installed Allen_bradley_RsLogix_500_Pro_V_7.0,after installation it gives the fatal error.it need activation file.from where and how i can find its activation file.

6 Answers  

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