Search found 459 matches: +voltage +safety

Searched query: +voltage +safety

by Mark Rowley
Sat May 25, 2019 12:35 am
Forum: High Voltage - Fusor Input Power (& FAQs)
Topic: High Voltage Feedthru, Richards design
Replies: 9
Views: 7454

Re: High Voltage Feedthru, Richards design

In relation to the maximum shell temperature of the average Fusor, would 550 deg brazing solder be an acceptable choice?

To add a safety measure, a small computer type cooling fan could blow on the insulator during operation.

Mark Rowley
by Richard Hull
Wed May 15, 2019 8:26 pm
Forum: FAQs: High Voltage
Topic: FAQ - Build a high voltage "bias" meter for free!
Replies: 6
Views: 5136

FAQ - Build a high voltage "bias" meter for free!

Bias voltages, PMT and GM supply voltages often need to be measured with accuracy. A bias supply ... rare to require any nuclear detector bias much above 2kv. ***************************** SAFETY NOTE ********************************************************* The meter described ...
by Rich Feldman
Sat Apr 13, 2019 9:06 pm
Forum: Neutrons, Radiation, and Detection (& FAQs)
Topic: A semi-DIY preamplifier for radiation detectors
Replies: 21
Views: 10390

Re: A semi-DIY preamplifier for radiation detectors

... supply (by itself) on for a few days at 1900 volts, and worked the voltage-setting dial up and down a few times. AC coupling by user, with a ... Plastics, along with a sheet of beryllium and part of a small household safety appliance. Digital storage scope triggers about once every minute ...
by Richard Hull
Wed Mar 06, 2019 7:24 am
Forum: FAQs: Fusor Construction & Operation
Topic: FAQ - How to conserve D2 gas and avoid leak down
Replies: 0
Views: 2122

FAQ - How to conserve D2 gas and avoid leak down

... system, you must close the deuterium tank or bottle valve. this is for safety sake and just common sense. Over days or weeks the high pressure gauge ... and continue until it is exhausted. I must tell you to take your fusor voltage back to zero before replenishing the high pressure gauge. (more ...
by Dennis P Brown
Sat Feb 16, 2019 12:45 pm
Forum: Fusor and/or General Fusion Theory (& FAQs)
Topic: Fusors and Maxwell's Equations
Replies: 6
Views: 5905

Re: Fusors and Maxwell's Equations

... call a demo fusor project by that name. As soon as anyone in admin or safety googles that word, then nuclear fusion, neutrons and possibly x-rays ... an electro-magnetic plasma demonstration device. Next, don't use a voltage that will produce measurable x-rays; a NST is the best and safest ...
by Dennis P Brown
Fri Feb 08, 2019 10:10 am
Forum: Images du Jour
Topic: Tyler's Demo Fusor
Replies: 7
Views: 3396

Re: Tyler's Demo Fusor

... (say, 30 microns) so your plasma stays light. Good you are wearing safety glasses but that doesn't protect your face. A thin walled glass like ... and you have a future real fusor chamber. One can get inexpensive high voltage diodes on ebay via Chinese manufactures. Some are extremely good ...
by Tyler Meagher
Fri Feb 08, 2019 2:53 am
Forum: Images du Jour
Topic: Tyler's Demo Fusor
Replies: 7
Views: 3396

Re: Tyler's Demo Fusor

Rich and Dennis, thank you for your comments. I do wear safety glasses when working in the shop and lab. I have a procedure I follow ... and I don’t understand rectified output yet. I am not using high voltage diodes like the demo fusor FAQ diagram <http://www.fusor.net/board/viewtopic.php?f=29&t=4405#p27243>. ...
by Dennis P Brown
Mon Jan 21, 2019 9:26 pm
Forum: Fusor Construction & Operation (& FAQs)
Topic: Construction of Neutron Grade Fusor
Replies: 45
Views: 14935

Re: Construction of Neutron Grade Fusor

... excellent progress - like getting the plasma under better control. Your voltage (28 kV) is a bit low if your supply is producing under 8 ma; yes, ... distance (and please, no holding the neutron detector) will provide safety (and again, do not sit so the lower body gets x-rays!) A simple metal ...
by Enzo Carter
Wed Jan 16, 2019 3:25 am
Forum: Fusor Construction & Operation (& FAQs)
Topic: Construction of Neutron Grade Fusor
Replies: 45
Views: 14935

Construction of Neutron Grade Fusor

... cathode-side-close-IMG_6544.jpg cathode-sphere-IMG_4797.jpg High Voltage feedthrough 25kV rated 50kV tested 3.6mm shaft HV-Feedthrough-IMG_5237.jpg ... a few weeks now and am getting close to something to show to the forum. safety is key so i have not been able to work unsupervised which limits ...
by Enzo Carter
Sun Jan 06, 2019 2:34 pm
Forum: Fusor Construction & Operation (& FAQs)
Topic: Creation, usage, and destruction of a cathode
Replies: 12
Views: 4406

Re: Creation, usage, and destruction of a cathode

... that collides with a material 'brimsstraholing' and the power supply (voltage and current) is giving the electrons so i think it will be the same ... but for now i will use lead for X-rays and acrylic for high voltage safety. making the acrylic shield today. as for material safety we take it ...