Search found 519 matches: +voltage +safety

Searched query: +voltage +safety

by Richard Hull
Sat Dec 09, 2017 7:16 am
Forum: FAQs: Neutron - Radiation Detection
Topic: FAQ - X-rays, X-rays, X-rays....A tutorial
Replies: 0
Views: 764

FAQ - X-rays, X-rays, X-rays....A tutorial

... are spread over a vast spectrum of energies from 0 eV to the maximum voltage applied to the X-ray source, i.e. 50,000 volts sent to an X-ray tube ... operation. Use the inverse-square law as your first line of defense and safety regarding any source of radiation. It is worth 3,000 lbs of lead shielding ...
by Dennis P Brown
Wed Dec 06, 2017 10:31 pm
Forum: Images du Jour
Topic: A nice Surplus item to make a Neutron Detector Power Supply
Replies: 6
Views: 847

A nice Surplus item to make a Neutron Detector Power Supply

... parts, can be a steal having expensive items that do work.) If the high voltage x-former works (looks in good shape), that will just be a nice extra. ... (after I add a bleed resistor to that cap! Always try and think about safety - another important point for people new to HV systems; one careless ...
by Silviu Tamasdan
Fri Nov 17, 2017 12:41 pm
Forum: Please Introduce Yourself
Topic: Hello from Holland!
Replies: 2
Views: 318

Re: Hello from Holland!

... experience in several key domains, notably high vacuum techniques, high voltage generation and safety, radiation detection and safety. And the parts/devices you will need don't come cheap, ...
by Rich Feldman
Wed Nov 15, 2017 3:40 pm
Forum: Please Introduce Yourself
Topic: Greetings!
Replies: 15
Views: 878

Re: Greetings!

... super-sensitive about the meter -- it just has a coil wound for low voltage instead of low current. (Gas safety valves for pilot lights are held open by a solenoid using voltage from a single TC junction ...
by Silviu Tamasdan
Fri Nov 10, 2017 3:03 pm
Forum: High Voltage - Fusor Input Power (& FAQs)
Topic: Criticize my HV supply design
Replies: 26
Views: 1597

Criticize my HV supply design

... or buying major components. Notably the HV transformer of adequate voltage and power specs. My aim is now to achieve a power supply that can ... acquired the habit of over-engineering things. This not only gives me a safety factor, but also allows me to upgrade stuff in place if I need higher ...
by Dennis P Brown
Mon Oct 30, 2017 5:11 pm
Forum: High Voltage - Fusor Input Power (& FAQs)
Topic: Precipitator power supplies?
Replies: 29
Views: 2361

Re: Precipitator power supplies?

... at 1 or up to 1.5 ma. If you get close/hit 2 ma, that will exceed that voltage convert's limits. Remember - the power rating of a device is an absolute ... not innocent bystanders to dangerous levels of radiation. So, that is a safety issue you must address now before you operate that power supply ...
by Dennis P Brown
Sun Oct 22, 2017 2:05 am
Forum: Please Introduce Yourself
Topic: Hello
Replies: 1
Views: 393

Re: Hello

... difficult for many to obtain (and is extremely lethal so learning high voltage safety is critical.) Detecting neutrons is a very complex task unless one just buys a turnkey ...
by ian_krase
Wed Oct 11, 2017 10:55 pm
Forum: Vacuum Technology (& FAQs)
Topic: Silicone tubing with hose barbs OK to pull low vacuum?
Replies: 27
Views: 1704

Re: Silicone tubing with hose barbs OK to pull low vacuum?

... be able to run negative polarity with high current (5-50 mA) and high voltage (25-100 kV) at the same time. Please keep in mind that safety precautions for these very high voltages are much more stringent than those for lower ...
by Dennis P Brown
Tue Oct 10, 2017 11:48 am
Forum: Ion Gun Design and Construction (& FAQs)
Topic: tabletop neutron generator
Replies: 15
Views: 4119

Re: tabletop neutron generator

... which I am very happy to say, was very successful), my rather large voltage multiplier (VM) that I had built for it only reached 60 kV (still ... and see what this monster will give me. With a massive resistor (for safety) I will use this new VM for my accelerator; that is, if it can really ...
by Dennis P Brown
Thu Sep 28, 2017 10:19 am
Forum: Images du Jour
Topic: First Plasma - Daniel Fajardo
Replies: 3
Views: 625

Re: First Plasma - Daniel Fajardo

... is a very good start. Guess your next focus after increasing the voltage to a NST level will be to obtain a proper power supply for fusion. ... its own ground - not necessary, of course but I feel that is a good safety practice.) Of course, the standard star system with the fusor is always ...