Answer / maria jalsin

Vibration sensor are npn transistor so they can give negative voltage only so they are set -10 volts

Answer / kamrul haque

its NPN in bently nevada 3500 (5mm probe)

can we connect instrument earth pit to electrical earth pit, if not why?

2 Answers  

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If a control valve is hunting means means if we are giving 50% to the cv, the cv will open at 51% then slowly slwoly it will reaches 49% , then it will reaches again 50%, this type of action occured frequntly.. so what to do for solve this problem. The possible cause is in volume booster or positioner's relay.. positioner is double acting .. and make siemens..sipart.The cv is double acting and mounted for anti surge operation, it having 4 nos. volume booster, one sov, one positioner, etc..?

2 Answers   Gujarat Fluorochemicals Limited (GFL), Shell,

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if we put any thermocouple on a table in a room without any connection,what temperature should it show.

3 Answers  

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I have 475 hart communicator. this is not support any new type of instruments such as tranmitter,fieldvue DVC6200.DVC 200 since i got point out need to upgrade . my questions is how can upgrade new instruments software in my 475 hart communicator. can any answerplease>?

1 Answers  

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NAME ANY TWO ELASTIC PRESURE SENSOR?

2 Answers   DVC,

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T.x range -0.1 to 0.2 milibar,so how much mili ampear at 0.1 milibar?

7 Answers   Sugar Factory,

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How Control valve sizing is done?

3 Answers  

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How will you select suitable Instrument for Process line/Tank/Vessel?

5 Answers  

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how can we calibrate RADAR LEVEL transmitter 0% to 100%

3 Answers   Chevron Phillips, Honeywell,

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how can i calibrate a smart temperature transmitter used by druck 720 process calibrator?

0 Answers   Texas,

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how to convert bar to mA?

1 Answers  

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What is the function of positioner in control valves? does the control valve operate without positioner?

3 Answers   Hofincons,

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