Example of dry contacts & wet contacts?

Question Posted / maddy2504

3 Answers
17687 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

what is interlock system and why we use of this?

0 Answers

in differential pressure transmitter,min&max pressure range for hp&lp

0 Answers

why use to 250 ohm for hart protocol and why hart communicator not communicate without 250 ohm

4 Answers OMV,

Yokogawa CENTUMVP R6.09 unable to download to Engineering Station with ExaOPC R3.75 The issue is when I try to download the common project section to the Engineering Station (STN) from the HIS in System View, it is unable to connect. The error displayed is: WARNING: Could not connect to equalize destination. (7001) Retrying. Number of retries = 0/1 ERROR: LdXopsLoadMain: connect error 10060 ERROR: Processing terminated due to connection error. (7002) Equalization end with errors. STN0149 ---- ERROR = 2 WARNING = 1 ---- Background: >Updated the ExaOPC software on the STN from 3.60 to 3.75 >STN operating system is Windows Server 2008 R2 >HIS operating system is Windows Server 2016 Stanard Solutions attempted include: >Ensuring all IP addresses are correct and all networked devices can be pinged. >The ability to ping a device using its host name from another device (<ping STN0149> from HIS) >Ensure both devices firewalls are disabled. >The antivirus installed on the STN is disabled. >Ensuring both devices are within the same workgroup. >Added both devices to each other's Host and LMHost files. >Running IT Security tool after changing any administrative settings.

0 Answers

plz tell me clearly about PID.."when v have to change I value,D value,GAIN??

0 Answers

Is there any relation between Artificial Intelligence and Instrumentation?

0 Answers

why any measurement made interms of pressure is more accurate ? to be more precise most of the flow velocity is made interms of pressure and it is accurate. what is the reason behind pressure measurement being accurate ?

0 Answers NATPET,

why relays are used with plc?

4 Answers

pt range is -45 psi to 45 psi.friends can you give answer with calculation and with linerity scale like 0%,25%,50%,75%& 100%?

1 Answers WB,

How will you change the action of a control valve?

1 Answers CCIE,

What is an instrumentation amplifier? How is it better than a differential amplifier when handling outputs from a wheatstone's bridge?

2 Answers Honeywell,

different between calibration range and instrument range ?

2 Answers

For more Instrumentation Interview Questions Click Here