Out of Calibration Torr Gauges.

[Grizzly]

Is there any reason why Torr Gauges cannot be re calibrated?

I decided to check out my old gauges box and discovered 3, 40 to 0 Torr gauges.
When stripped I discovered the there is no Bordon Tube to damage.

Simply a Brass disc / rack and pinion set-up within sealed cylinder with the glass cover as the lid.

So would it not be possible to have these re-sealed and re-calibrated.
Or is the myth maintained so that new gauges are purchased every time there is an issue?

Has anyone discovered a gauge company who will recalibrate these?
Grizzly.

[install monkey]

soz mate im on digital. is the calibration req for auditing reasons or for you peace of mind? if so get a new one every 12mths.

[Grizzly]

Neither really, I just hate the thought of potentially good Analogue gauges going to waste.
After all they are not cheap!
I have several electronic versions. But push come to shove I prefer the old fashioned method.
Thanks for the input.
Grizzly

[Brian_UK]

You could always try Edwards, they make them and do calibration as well.

UK details...

http://www.edwardsvacuum.com/Contact...astAfrica.aspx

[Grizzly]

thanks Brian.
I will let you know how I get on!
Grizzly

[Argus]

.



If it's one of those old Edwards high vacuum gauges, they were always very expenesive.

The reason is that they measure exceptionally small values of pressure very accurately when scaled down to a couple of millibar (or Torrr, if you prefer).

These gauges are high precision, calibrated to altitude to avoid atmospheric distortion, then sealed.

If it is repairable, expect to pay a lot.

I have one that's been sitting in my garage for many years.......
I haven't used it since the last big-chiller-dry-outs I did in the early 80's
..........think I might put it on fleabay.....





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[Brian_UK]

Also had email contact from SM Gauges who charge about £40 + carriage per gauge.

[Grizzly]

That's one of the 2 Bristol companies that I was considering contacting.
Brilliant, thanks for the legwork Brian.
I don't think that's unreasonable as a new Gauge must be well over a 100 quid nowadays.
Brilliant.
Grizzly

[james10]

Bought a torr gauge recently £180 was the cheapest analogue one I could get

[Magoo]

Hi Grizzly.
Go digital, and drop into the current world. And easily calibrate by Tech- rentals
As an aside, I used to know a lady from Bristol and she had a lovely set of Bristol Cities [ sorry ] firm and pointy bitz.

[frank]

Hi Grizzly.
I used to know a lady from Bristol and she had a lovely set of Bristol Cities [ sorry ] firm and pointy bitz.

DISGUSTING...........got any photo's?