Answer / mohan

RTD Does not required any aux:supply ie 24v,5v, only it delivers current variations in the loop due to variation in resistance.

Answer / kishor deshmukh

rtd is an passive transducer coz it need the external power
supply for the operation.

what is the tempareture conpensation?what is the use of this?

1 Answers  

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how to calibrate control valves & power cylinders & ultra sonic level transmitters

0 Answers   ABB,

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what are procedure of sox-nox calibration

0 Answers   TATA,

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what is stroke check for field instument transmetter's & AOV's

0 Answers  

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Wht should be the ratio of natural frequency (Fn) to wake frequency (Fw) and wht if goes above the rato limit?

2 Answers  

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How will you test a transistor with a multimeter?

0 Answers  

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Why we use DPT? can we use PT instead of DPT?

2 Answers  

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generally transmitter power supply having some range(12v to 35v) but the out put(4-20 mA) must same for given input.If we vary the power supply voltage then output mA also to be change according to V=IR. Is there any voltage regulator in the transmitter ?

2 Answers  

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how to calibrate the radar transmitter for measuring the exact tank level if tank is having agitator moving continiously because due to agitator tank surface level will vary every time.

2 Answers  

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why we take 4 to 20 mA as out put of every instrument like pressure transmittre ?why we cant take 0 to 20mA as output?

6 Answers   OGDCL,

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please suggest me, how can i change the display setting in term of unit in place of % of Honeywell pressure transmitter ST3000S100?

2 Answers  

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HELLO FRIENDS plz tell me which are the PROTOCOLS we are using in PLC

3 Answers  

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