Jim's Articles

Blue light filter: What is blue light? Sunlight contains red, orange, yellow, green and blue light rays and many shades of each of these colors, depending on the energy and wavelength of the individual rays (also called electromagnetic radiation). Combined, this spectrum of colored light rays creates what we call “white light” or sunlight.

Your home: “Smart” appliances like refrigerators often boast a touchscreen with bright blue display. Consider adding a small “drape” or other cover to put over appliance screens, so they doesn’t blast you into insomnia, when you go into the kitchen for a late night glass of water. Appliances with LED-based bulbs are another common culprit — a topic I’ll cover in my next post. Your laptop and appliances: Use Flux at night to slowly decrease your computer’s blue glow as the sun sets. Buy a glare-reducing protective screen cover. Don’t buy electronics with lots of blue light — of if you do, cover the bulbs. Use blue-light protective glasses at night if you can’t avoid using your devices, or can’t entirely block out blue light in your environment.

PERFECTSIGHT MacBook Pro 16 Screen Protector Warm Tips: To help cut the glare, reflection, blue light and UV ray from Apple MacBook, this screen protector has a slightly “frosted” look – matte. But if you’re looking for a crystal clear optical screen (and the eyestrain that goes with it), you might want to be aware of this before you buy. If you care about the future health of your eyes and it will aid helping further deterioration. I know it’s somewhat costly, but it’s nothing compared to the cost of your eyes. Explore a few more details at Macbook Pro 16 blue light filter.

Reduce glare. Glass screens can produce glare that can aggravate the eye. If you don’t have control over the lighting in your environment, try using a matte screen filter. Follow the 20-20-20 Rule. Every 20 minutes, give your eyes a break by looking at an object 20 feet away for 20 seconds. This allows your eyes to relax. Limit devices before bed. Research shows that the blue light from your phone and other screens may affect the body’s natural wake and sleep cycle. During the day, blue light wakes us up and stimulates us. It does the same thing at night, which makes it harder to get to sleep. Limit screen time one to two hours before bedtime. Use nighttime settings on devices and computers that minimize blue light exposure.

Like ultraviolet radiation, visible blue light — the portion of the visible light spectrum with the shortest wavelengths and highest energy — has both benefits and dangers. Here are important things you should know about blue light: Blue light is everywhere. Sunlight is the main source of blue light, and being outdoors during daylight is where most of us get most of our exposure to it. But there are also many man-made, indoor sources of blue light, including fluorescent and LED lighting and flat-screen televisions. Most notably, the display screens of computers, electronic notebooks, smartphones and other digital devices emit significant amounts of blue light.

What PERFECTSIGHT eye care screen protectors and eyeglasses do? PERFESIGHT eye care protectors (HD Clear Medical Edition or Matte Anti Glare Medical Edition) could blocks more than 55% of the blue light into eyes especially in about 450nm wavelength and reduce the damage of blue light to the eyes, really to be best blue light filter for deigital device. PERFESIGHT blue light blocking glasses could filter about 70% of the blue light from your phone,tablet, computer’ screen. Eye Care screen protectors tested by specially AMERICAN SOLAR LIGHT. Find extra info at perfectsight.co.

Standard Battery for Weltek Navitek Airkos PAPR system: The welding helmet with a built-in respirator is a headgear designed to provide the necessary protection and safety measures for the welders during their work from toxic smokes. They are available in different designs; you can choose what kind of models you are looking for depending on your working environment and conditions. You can choose one of these helmets depending on the level of fumes generated during specific welding applications. The OSHA obligates certain requirement to be met in order for the welder to enjoy full and effective protection. Some of these requirements include the prohibition of the welder to inhale certain toxic fumes during the operation period.

MIG welding machines handbooks plus MIG welders online shopping: Before you get started, conduct online research to see what the best practices are for the specific wire you have or contact a trusted filler metal manufacturer. Doing so not only tells you what the manufacturer’s recommended parameters are for your diameter wire, but also what the proper wire feed speed, amperage and voltage is, along with the most compatible shielding gas. The manufacturer will even tell you what electrode extension or contact-to-work distance (CTWD) is best suited for the particular wire. Keep in mind that if you get too long of a stickout, your weld will be cold, which will drop your amperage and with it the joint penetration. As a general rule of thumb, since less wire stickout typically results in a more stable arc and better low-voltage penetration, the best wire stickout length is generally the shortest one allowable for the application.

Several tips about welding equipment, MIG and TIG welders, plasma cutters. ARC Welding : ARC welding is one of the oldest welding processes around. It uses either an AC or DC power supply to create an electric arc between the welding rod and the workpiece metal to melt the metals and join them together. This style of welding is relatively inexpensive and very portable but it does require some practice to get good consistent welds and the welds will probably require some arc weldercleaning up afterwards. ARC welding is less suited to welding thinner materials but there is a large range of specialist electrodes (welding rods) available for ARC welders depending on what materials you are welding. ARC welding is versatile but more suited to heavier applications.

Crystal lens technology’s true color filterI will try to make this as unbiased as possible, but honestly, this is the best welding helmet I have laid my hands on in a long time. It is fairly expensive, but you will get more than what you paid for. With this revolutionary Crystal Lens technology that brings real true colors, you will be able to see the weld pull as it really is – clearly and in full detail. Then, when you finish welding, there is a feature that gradually lightens the lens from dark to light mode so you will not get an eye strain. Afterwards, in the light state when you need to grind or change knobs on a welding machine, you will have a 2.0 shade level and it will look like you don’t have a helmet on at all which is a really nice feature. It’s a professional welding helmet that can be used for all welding processes from Micro Plasma Arc Welding to Flux core welding with a high voltage used by everyone from aerospace welders to welders in manufacturing. See a few more details on Optrel air fed welding helmet.

High quality online supplier to buy span gas bottle in UK: Tests have shown that the relatively narrow cross section of the pure argon shielded weld has a higher potential for gas entrapment and, consequently, can contain more porosity. The higher heat and broader penetration pattern of the helium/argon mixtures will generally help to minimize gas entrapment and lower porosity levels in the completed weld. For a given arc length, the addition of helium to pure argon will increase the arc voltage by 2 or 3 volts. With the GMAW process, the maximum effect of the broader penetration shape is reached at around 75% helium and 25% argon. The broader penetration shape and lower porosity levels from these gas mixtures are particularly useful when welding double-sided groove welds in heavy plate. The ability of the weld bead profile to provide a wider target during back chipping can help to reduce the possibility of incomplete joint penetration that can be associated with this type of welded joint.

Hakko FA400-04 Bench Top ESD-Safe Smoke Absorber is the best fume extractor with best reviews in the online stores. What makes it a more acceptable smoke extractor is its ESD-safe material constructions. ESD is the synonym for Electrostatic discharge, which happens between electrically charged two objects and may static electricity shock at times. Further to above, on the designer segment, you can operate it in two ways. If operated on a standing position it gives excellent soldering fume absorption, and you have two and half time more fume extractor efficiency on a low-profile position, which is ideal while doing close soldering and you have more smoke around the room. However, this method is not suitable to absorb widespread smoke.

The Aoyue AO486 486 Benchtop Solder Smoke Absorber is the perfect fume extractor for arts and crafts projects, electronics, or stained glass work. It is very quiet when doing its job. Furthermore, it has a powerful operator that will make every cent worth it. Similar to most systems, the Aoyue AO486 486 also features an activated carbon filter. On top of that, this product has been tested by ESD. Aoyue SRA Soldering Products started way back in 1962. They have been manufacturing, distributing, and importing various products including fume extractors. Some of its key features include a stand with an adjustable pivot, a replaceable carbon filter, AC powered, and a fairly quiet operation. Find additional info on weldingsuppliesdirect.co.uk.