Example of dry contacts & wet contacts?

Question Posted / maddy2504

3 Answers
17649 Views
I also Faced
E-Mail Answers

Answers were Sorted based on User's Feedback

Example of dry contacts & wet contacts?..

Answer / rajkumar

generally peolpe say a dry contact means voltage free
contact and a wet contact means with voltge. In some cases
people also points out a mercury switch is a wet contact

Is This Answer Correct ?

12 Yes

1 No

Example of dry contacts & wet contacts?..

Answer / nagarajan audaiyarpatti

Dry contact:it is nothing but without the load voltage
contact in the loop .

Wet contact: it is nothing but with load voltage contact in
the loop.

Is This Answer Correct ?

11 Yes

3 No

Example of dry contacts & wet contacts?..

Answer / biswarup das

Eg. of Dry Contact= push to talk switch of a microphone.

Wet contact= switch on the wall that activates ac
voltage to turn lamp .

The definations are given in the above answers.

Is This Answer Correct ?

9 Yes

7 No

Post New Answer

More Instrumentation Interview Questions

HOW WE ARE DECIDING WHILE PROGRAMMING IN PID CONTROLLER THAT WE ARE USING HEATING OR COOLING???????

1 Answers Eskom,

what is the input of digital RPM indicator during the calibration time?

1 Answers

control valve in manual/auto mode huntting checked spring tention also it is ok.positioner also good condition & incoming inst air line also constant pr.kindly give us correct answer?

5 Answers Madhu Power,

How we will check whether the proximity, which we have is either NPN or PNP, if no data sheet or manual or any details is available to us ???

1 Answers

what is instrument philosophy

0 Answers United Automation,

which type of signal used in instrument?

3 Answers Emco, Makson, Sail, TATA,

what is difference between hart signal and analog signal (4 to 20 ma)

2 Answers Takreer,

I work on a electronic positioner transmitter 4211 at the field.I connect my multimeter in series to get the current output then I calibrate it to 4ma in 0% of position of the valve and 20ma in 100% position of the valve.My problem is in the field I get the correct output current based on my multimeter but in the dcs they only receive 40% in a output 20ma of this positioner.Then I try to simulate in this analog card and they receive the equivalent percent on the value that I simulated.Is ther any possibility to reset the zero and span of this positioner 4211 fisher.And what other possibility I can do to fixed this.This is my email add ( landicho_randy@yahoo.com )

4 Answers

what is dc moter.

0 Answers Jindal Steel and Power, Lupin,

in pressure gauge inside why we are using the glasarin oil?

4 Answers

how to calibrate the interface leveltrol

1 Answers Lanco,

What is difference between Isolator and Barrier ?

1 Answers

For more Instrumentation Interview Questions Click Here