[time-nuts] OCXO sensitive to gravity

[J. Forster]

Oops. It looks like they sense the force from the Bourdon tube, rather
than the displacement.

-John

===============

> Yes... it was not cheap, exactly :) It was from this company:
> http://www.paroscientific.com/
>
> Regards,
>
> Javier
>
>
>
> J. Forster escribió:
>> Oh, I know there are quartz transducers like accelerometers, pressure
>> and
>> force gages, etc. from companies like Endevco, Kiag/Krystal, and others.
>> But in my experience they are lab instruments costing a bundle.
>>
>> The airbag sensors are cheap...  likely a buck or twp. Hence the use of
>> silicon.
>>
>> Best,
>> -John
>>
>> ===========
>>
>>
>>> J. Forster escribió:
>>>>
>>>>> As you feel your heart beat, google for Quartz Pressure Sensor
>>>> Again, I think these are semiconductor sensors.
>>>>
>>> Yes, but there are also quartz pressure sensors. Long time ago I used a
>>> equipment to measure water columns (and hence sea waves height) that
>>> used a quartz-based pressure sensor. It was a very sensitive equipment.
>>>
>>> Regards,
>>>
>>> Javier
>>>
>>> --
>>> ------------------------------------------------------------------------
>>> Javier Herrero                            EMAIL:
>>> jherrero at hvsistemas.com
>>> HV Sistemas S.L.                          PHONE:         +34 949 336
>>> 806
>>> Los Charcones, 17A                        FAX:           +34 949 336
>>> 792
>>> 19170 El Casar - Guadalajara - Spain      WEB:
>>> http://www.hvsistemas.com
>>>
>>>
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>>
>>
>>
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>
> --
> ------------------------------------------------------------------------
> Javier Herrero                            EMAIL: jherrero at hvsistemas.com
> HV Sistemas S.L.                          PHONE:         +34 949 336 806
> Los Charcones, 17A                        FAX:           +34 949 336 792
> 19170 El Casar - Guadalajara - Spain      WEB: http://www.hvsistemas.com
>
>
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> time-nuts mailing list -- time-nuts at febo.com
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