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Pictures of high school and college physics class demonstration vacuum chambers. These are simple enough to make at home, high vacuum is not needed> The gaskets are simple black rubber, the container

If anyone is interested in SCA scalers I have several Eberline MS-2, MS-1 scaler / stabilized assay meters for sale along with some Portable Davidson 2048 MCA’s. I also have some PIPS detectors

This link is a good one to read to get your (our) feet wet: DIY Alpha Spectrometer | PhysicsOpenLab (

I've been wanting one of those for a while, but they're just a bit rich for my wanton spending of late... wrote:

Smoke Detector РИД1 RID-1 RID1 KI1 Ionizing Chamber Radioisotope RID-6M 194954703552

All good ones for the group Dud, I noticed them too. Keep them coming, especially ANY amateur alpha spectrometry links (people who have done it at home with less than NIM, or especially all home

Try these

To follow up on the Cremat modules vis-a'-vis solid state particle detectors, this PDF is one of the references I was looki8ng for, and gives a nice explanation of the alpha parti8cle spectrometry

…thickness ISN”T too demanding… Dud Sent: Saturday, June 18, 2022 5:23 PM To: [email protected] Subject: Re: Alpha and Beta particle nuclear decay studies. Pictures of inside the

Nick Looking at Geo Photo’s it lifts the card up and only seals around the vacuum flow disk. It may rely on a flexible cardboard card to get the seal. I would stick with cardboard or something

Cool, thanks. Yeah I bet the block has some spring in it to clamp without crushing stuff. wrote:

Trying again with pics. These are mostly of the bottom part. Geo

I saw this picture before. Were there others? Dud, I figured there's a spec for the thickness of filter carriers with a safe range. I was imagining that it would need to be a special

Yes, it was a short run. It's also only a 20x20 (outside) steel building on a newish slab that varies from 7-14 inches thick, sitting pretty much directly on limestone in central TX. It's not sealed

Nick, That looks like outside air for radon or its only been on a couple of minutes. The unit needs to run about 60 minutes to get a fairly acute reading but getting pretty close should be about

Nick we’re not using stack flow just turn it off. That is for a remote air flow sensor in the Stack. Screen Calibration instructions are in the manual on page 12-9. You’ll need a touch pen with a

And not long after that. That spectrum really starts to build up.

Not running for too long, just while changing settings. So for has been open most of the day, with small exhaust fan running too.

Arrrrrrgh! It's over 100 in the shop and I misread your instructions and messed up the alarms under Stack Flow. Can someone give me the default settings for those? And the screen calibration

Alan, Here’s how to set up the Impex SmartCAM to readout in pCi/ml and Flow in LPM Record your original settings before changing things. Then open the Monitor tab then Instrument options. Check