what is differnace between radar level tranmitter & hart type tranmitter?

3 Answers  

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i am from instrument branch i want paper patern of mahagenco . any pevious years paper regarding my branch send me please . please.....

0 Answers  

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What is mean by AC voltage and DC voltage

2 Answers  

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Please explain for RS 485 & RS 232 communication

1 Answers   Honeywell,

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why we are using -24 vdc in plc?

1 Answers   CGL,

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i have calibrate rosemount make level transmitter , wht can i do ? my tank capacity is 30,000 liter

9 Answers   Equate,

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Hello friends i need check lists of different instruments during the Erection and commissioning in thermal power plant.Please help me.My Mail id is naba02222@gmail.com/naba02222@rediffmail.com Thanks Nabakishore Biswal

1 Answers  

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protection relay watchdog contact operation?

0 Answers   L&T,

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i am going to attend ongc exam this coming june for Graduate Engineer Trainee post if anybody knows the question pattern or have experience plz share it with me

3 Answers   ONGC,

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Is there’s power on the bus (if so, state whether on the signal bus, or on a separate in the following: a) HART b) Profibus DP c) Profibus PA d) DeviceNet e) Foundation Fieldbus

1 Answers   EIT,

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what is skin type thermocouple? how it is installed? what is the difference b/w thermocouple & skin type thermocouple? what is gounded & non-grounded thermocoplle? what is the diff b/w these two?

2 Answers   KazStroy Engineering, PSU,

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Hi, I'd like to know the purpose of MOS (maintenance override switch). At site, these switches are installed in a stanchion with the transmitter (connected to ESD). thank you.

3 Answers   Adani, Adani Wilmar,

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