Products > Test Equipment
Cheap, not Chinese, Voltage reference for DIY meter calibration
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BennoG:
what about this one.

https://voltagestandard.com/

I have looked at it but not yet ready to buy one.

Benno
Kosmic:

--- Quote from: dazz1 on July 04, 2024, 06:53:48 am ---Hi
It appears the LTZ1000 was replaced by the ADR1000 that was then replaced by the ADR1001.

--- End quote ---

Please note that the LTZ1000 is still produced and available (so not replaced by the ADR1000).

ADR1000 is the newer version and one of the improvement is lower noise. Still not readeally available though (last time I checked).

ADR1001 is the SMD variant (so do not replace the ADR1000).
dazz1:

--- Quote from: BennoG on July 04, 2024, 08:31:12 pm ---what about this one.

https://voltagestandard.com/

I have looked at it but not yet ready to buy one.

Benno

--- End quote ---

They look nice but they are in imperial units because these are made in the US of A.  I don't know anyone who has a thermometer to measure 68°F.
When I go to checkout, none of the addressable states are outside of the USA.
Previous experience tells me that shipping anything across the US border is excessively expensive, especially if a courier service is used.

It is cheaper to buy a metric voltage standard.

So yes, but no.
dazz1:

--- Quote from: Kosmic on July 04, 2024, 11:11:17 pm ---
--- Quote from: dazz1 on July 04, 2024, 06:53:48 am ---Hi
It appears the LTZ1000 was replaced by the ADR1000 that was then replaced by the ADR1001.

--- End quote ---

Please note that the LTZ1000 is still produced and available (so not replaced by the ADR1000).

ADR1000 is the newer version and one of the improvement is lower noise. Still not readeally available though (last time I checked).

ADR1001 is the SMD variant (so do not replace the ADR1000).

--- End quote ---

That's what happens when I skim across the Internet.

I could not find a supplier of the ADR1000 but Arrow and Digikey sell the ADR1001EBZ device and  ADR1001AEZ eval board.
Not the cheapest device but I'd say good value for the $$.  Spend more and get more.
schmitt trigger:

--- Quote from: dazz1 on July 05, 2024, 02:52:41 am ---
--- Quote from: BennoG on July 04, 2024, 08:31:12 pm ---what about this one.

https://voltagestandard.com/

I have looked at it but not yet ready to buy one.

Benno

--- End quote ---

They look nice but they are in imperial units because these are made in the US of A.  I don't know anyone who has a thermometer to measure 68°F.
When I go to checkout, none of the addressable states are outside of the USA.



--- End quote ---

There is a pull down menu with a list of the World’s countries. New Zeland is there. Mexico is also there and if selected the Mexican state menu will appear.
With respect to the 68F label, it means the unit was calibrated at that temperature, meaning 20C.
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