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Thermocouple question

 
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argoldman(at)aol.com
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PostPosted: Thu Oct 18, 2018 10:15 am    Post subject: Thermocouple question Reply with quote

Greetings all,


Can a single thermocouple (K or H) run two different indicators (efises o eifi)? or is there a circuitry that will make this possible?


Rich


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nuckolls.bob(at)aeroelect
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PostPosted: Thu Oct 18, 2018 10:57 am    Post subject: Thermocouple question Reply with quote

At 01:14 PM 10/18/2018, you wrote:

Quote:
Greetings all,

Can a single thermocouple (K or H) run two different indicators (efises o eifi)? or is there a circuitry that will make this possible?

Rich

Generally yes. Assuming the indicators are modern,
electronic displays with high impedance inputs.
The legacy steam gages that would read thermocouples
actually DEMAND a certain amount of current from the
TC hence paralleling instruments is problematic.

I'd venture to guess that any of the glass screen
displays can share thermocouples.



Bob . . .


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argoldman(at)aol.com
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PostPosted: Thu Oct 18, 2018 1:17 pm    Post subject: Thermocouple question Reply with quote

Thanks with a big sigh of relief


Rich



In a message dated 10/18/2018 1:57:52 PM Central Standard Time, nuckolls.bob(at)aeroelectric.com writes:

Quote:
At 01:14 PM 10/18/2018, you wrote:

Quote:
Greetings all,

Can a single thermocouple (K or H) run two different indicators (efises o eifi)? or is there a circuitry that will make this possible?

Rich

Generally yes. Assuming the indicators are modern,
electronic displays with high impedance inputs.
The legacy steam gages that would read thermocouples
actually DEMAND a certain amount of current from the
TC hence paralleling instruments is problematic.

I'd venture to guess that any of the glass screen
displays can share thermocouples.



Bob . . .


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