Bell Jar for Older Ruska 2465

Started by Hawaii596, 08-18-2014 -- 15:37:22

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Hawaii596

08-18-2014 -- 15:37:22
Anyone know where there may be any used bell jars for the older Ruska 2465?  Or alternatives?
"I often say that when you can measure what you are speaking about, and express it in numbers, you know something about it; but when you cannot measure it, when you cannot express it in numbers, your knowledge is of a meagre and unsatisfactory kind."
Lord Kelvin (1824-1907)
from lecture to the Institute of Civil Engineers, 3 May 1883

Hawaii596

#1
03-03-2015 -- 17:14:42
Looks like the 2465A and maybe even the 2468A might be the same dimension as the 2465.  Can anyone confirm that?
"I often say that when you can measure what you are speaking about, and express it in numbers, you know something about it; but when you cannot measure it, when you cannot express it in numbers, your knowledge is of a meagre and unsatisfactory kind."
Lord Kelvin (1824-1907)
from lecture to the Institute of Civil Engineers, 3 May 1883

USMCPMEL

#2
03-04-2015 -- 09:22:25
Bell jar???Like as in for vacuum?

Hawaii596

#3
03-04-2015 -- 10:13:35
The original one on the 2465 isn't exactly shaped like a traditional bell jar, but it is referred to that way.  The one on the 2465 has a flat metal top with gasket, versus an actual, single piece bell shape.
"I often say that when you can measure what you are speaking about, and express it in numbers, you know something about it; but when you cannot measure it, when you cannot express it in numbers, your knowledge is of a meagre and unsatisfactory kind."
Lord Kelvin (1824-1907)
from lecture to the Institute of Civil Engineers, 3 May 1883

MIRCS

#4
03-04-2015 -- 11:05:18
Call Fluke, They've got them.

USMCPMEL

#5
03-05-2015 -- 07:44:47
What is that used for? I am sitting in front of a 2465 and have no idea what application it would be used for with it. Anyone have a model number?

OlDave

#6
03-05-2015 -- 07:50:31
To allow you to attach a vacuum pump for the vacuum reference for absolute pressure generation.
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