Wednesday, December 28, 2011

Canopus ADVC-110 Analog to DV Converter - PC/MAC - Input/Out

Features Use ADVC110 to connect all analog and digital video cameras, decks and editing systems. ADVC110 is a portable and easy-to-use digital video converter compatible with Windows and Mac OS computers. ADVC110 is the ideal device for capturing and outputting analog video from any FireWire-equipped notebook and desktop computer. There are no drivers to install and ADVC110 does not require a power supply when used with a 6-pin FireWire cable. ADVC110: Key Features * Connects to all widely used DV and analog video equipment * Compatible with Windows and Mac OS DV editing systems * Compatible with leading editing and DVD authoring applications including Grass Valley EDIUS, Canopus Lets EDIT, Final Cut Pro®, Adobe® Premiere® Pro, Vegas®, iLife®, Ulead MediaStudio® Pro, and Windows® Movie Maker * Audio-only conversion support * No need to install drivers or any software applications * Powered by IEEE 1394 FireWire connector* * NTSC and PAL compatible * Color bar reference signal generator *The ADVC-PSU5V AC Adaptor Kit (sold separately) is required when connecting ADVC110 to a 4-pin IEEE 1394 FireWire port. Intelligent Input/Output ADVC110's intelligent usability allows for easy setup and connection in any video environment. Front and rear connectors provide analog and DV signal pass-through and ensure that connecting cables is neat and simple. ADVC110 Front ADVC110 Rear ADVC110 Front and Back ADVC110 also features a color bar reference signal generator to further enhance ...

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Friday, December 23, 2011

Buyer's Guide to Voltage Converters

!: Buyer's Guide to Voltage Converters

If you travel to other countries frequently, then you realize what a hassle it is to take small appliances or electronics with you due to voltage differences. One country might use a standard of 110 to 120 volts while another might have a voltage range of 210 to 230 volts. In these cases, voltage converters (often called voltage transformers) can help solve the problem and save you money when traveling.

Voltage differences can make it difficult to take along needful items such as hairdryers, irons, electric shavers, alarm clocks, and even entertainment products such as DVD players, VCRs, or TVs. All electrical products require a certain amount of voltage to operate. Most manufacturers develop products based on the standard voltage for the particular country where the items will be sold. Without the proper voltage, these items are useless in other countries.

Even code free DVD players (region free) do not always have the correct voltage for where you are traveling. Though these might be designed for PAL or NTSC formats, this doesn't mean the voltage will match the standard range for the country you plan to visit. To enhance your entertainment even further, you might also want to take along a multisystem TV, which will possibly require a voltage converter.

What is a Voltage Converter?

A voltage converter is a device used to increase or reduce the amount of voltage going from an electrical item to an outlet. It allows for the use of a product from one geographical region to another region when the standard voltage ranges differ. Some voltage converters double the amount of voltage (step up) while others cut it by half (step down). Many converters today can do both.

When buying a voltage converter, find out the standard voltage of the hotel where you plan to lodge. You'll need to know the voltage of your electrical appliance as well as the voltage of the outlets in that particular country. A step up voltage converter will convert the voltage from 110 volts to 230 volts. A step down converter will convert the voltage from 230 volts to 110 volts. Converters are labeled to display their capabilities, such as "110V to 220V Converter."

Voltage converters also vary by the amount of wattage, which can be more or less with different types of appliances. Non-heating items and electric shavers require only a 50-watt voltage converter while items that heat up (such as curling irons, clothes irons, and hair dryers) will likely need at least a 1600-watt converter.

If you plan to take with you a multisystem TV or a multisystem LCD TV, you'll need a voltage converter that is more powerful than the wattage indicated at the rear of your TV set. This is because TVs create a surge when turned on and this could damage the converter. Remember - always turn your converter to the correct voltage before plugging it in!

Check the wattage needed for other larger electronics such as your region free or code free DVD player, VCR, computer, CD player, or even a camcorder. When buying a voltage converter, be sure to get other accessories you'll need with it such as plug end adaptors (for various types of outlets in other countries). You might also want to invest in a universal surge suppressor. Some brand names for voltage converters include Simran, Regvolt, Travelarts, Tripplite, and others.

Electrical problems should be the least of your worries when traveling! A voltage converter can save you time and money when traveling. You can take along all your favorite electrical items and avoid buying new ones when you arrive at your destination. Go online for affordable voltage converters or transformers, multisystem TVs, code free DVD players, and more.


Buyer's Guide to Voltage Converters

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Saturday, November 26, 2011

Induccion mutua entre bobinas (fundamento transformador y antenas radio)

En este vídeo se puede ver el principio básico del transformador. Una bobina por la que pasa una corriente variable crea un campo magnético variable. En su proximidad, otra bobina está conectada a unos leds para comprobar que, cuando las dos bobinas están cerca, se produce transferencia de energía entre ellas. www.youtube.com www.youtube.com También se puede observar que cuando las espiras se colocan de forma que el flujo magnético concatenado es nulo (por ejemplo, disponiendo las espiras perpendiculares), los leds no se encienden ya que no existe fuerza electromotriz sobre la segunda espira (ley de Faraday-Lenz) Aunque por la distancia a la que están las bobinas el campo electromagnético no corresponde a la aproximación lejana (onda electromagnética), también puede servir para explicar el funcionamiento de antenas como las que se utilizan en los receptores de radio AM (la típica barra de ferrita) y de tipo LOOP (para bajas frecuencias) ======================================== Nota sobre la construcción: En este vídeo, la bobina se alimenta con un transformador ELECTRÓNICO de foco halógeno que proporciona 12 V a unos 44 kHz (en realidad la tensión que da este este tipo de transformadores es la señal de 50 Hz chopeada a unos 42-44 kHz, dependiendo del modelo). Esto permite utilizar bobinas de menos vueltas (la fuerza electromotriz inducida es proporcional a la frecuencia). La bobina del vídeo es de cable barnizado (aislado) de aluminio y 0,78 mm2 dispuesto en 11 vueltas ...

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Sunday, November 20, 2011

Schumacher AC Arc Welder - 120 Volt, 70 Amp, Model# 94070

!: Wholesale Schumacher AC Arc Welder - 120 Volt, 70 Amp, Model# 94070 order


Rate : | Price : $148.88 | Post Date : Nov 20, 2011 19:21:45
Usually ships in 1-2 business days

Basic stick welder for general repairs and fabrication. 120V, 60 Hz, single phase. 2-year limited warranty; 5-year limited warranty on transformer.

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Friday, November 18, 2011

Ultrafire Wf-139 - Duel Channel Charger for Ultrafire Flashlights

!: Ultrafire Wf-139 - Duel Channel Charger for Ultrafire Flashlights

Ultrafire wf-139 is an impressive charges and a powerful new model that aims at providing customers with one of the highest levels of power available on the market. The main difference between this model and the DSD chargers is related to the fact that Ultrafire has provided their gadget with two different channels for charging. This is very important, because in this way users are now able to charge batteries with two different capacities without worrying that something bad could happen.

On the other hand, a disadvantage of this model is that the unit requires a pretty impressive spacer if you are intending to charge batteries designed for CR123A and CR2. This kind of spacer is not even available on the market yet, but Ultrafire has announced that they will release one as soon as possible. Meanwhile, you can opt for the use of a paper clip or other similar metal instead of a spacer.

Ultrafire wf-139 is able to use a power source of 110V/220V, being provided with an auto AC switch. Moreover, there is a wide range of compatible batteries, so the level of portability has been seriously increased. You can use 3.6/3.7V models for CR123A, 18650, 14500, 18500, 17500 or CR2 rechargeable batteries, but be aware of the spacer situation described above.

For a reason that is currently unknown, the manufacturer has disabled the horizontal contacts. However, if you really want to re-activate them then you have the possibility to do so by following the steps presented in a great number of tutorials available online. If you never modded something like this before, maybe you should consider having a specialist to assist you in this process. The basic idea is that you have to connect some soldering points. After reactivation, you will be able to charge CR123A batteries without a spacer.

The output of this charger is 4.2V at approximately 450 mA. You must also know that the charging time can take between an hour and two for the CR123A batteries, whereas for 18650 and other similar models, it can take even 4 hours to complete. As for the design, the size of this gadget is 5.31 x 2.36 x 1.18 (L X H X W). It only weights about 7.5 oz, pretty impressive considering the quality provided.

Another possible problem is that you will have to purchase your own EU cable, because it is not provided by default in the bundle. Furthermore, the high voltage can sometimes prove to be a little higher in respect to the lifetime of the batteries charged, while the process of putting the batteries in with protection is a rather hard one but in the end, it is possible.

All in all, Ultrafire wf-139 is a model you should consider buying if it fits your budget.

For more information about the ultrafire flashlight models for sale, visit this dedicated online resource for ultrafire flashlight.


Ultrafire Wf-139 - Duel Channel Charger for Ultrafire Flashlights

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Monday, November 14, 2011

Types and Brands of Voltage Converters and Adapters

!: Types and Brands of Voltage Converters and Adapters

When traveling to another country, you'll need to know what type of voltage converters, or voltage transformers, and plug adapters to take for your electrical products. Items such as hair dryers, electric shavers, irons, coffee makers, TV, VCR, or DVD players all require power to operate. Unfortunately, the power voltage available is not always what's needed. In this case, you'll need either an 110v to 220v voltage converter or a 220v to 110v converter.

Let's take a look at the various types of converters and adapters available today.

Type of Voltage Converters

There are two main types of voltage converters - step up or step down. Step up converters will convert the power to a higher voltage than what is shown on the appliance. For instance, an electric shaver made in the U.S. works with the standard 110 volt outlet. With a step up converter, it can be used with a 220 volt outlet in another country. Step down converters do just the opposite.

Wattage and Voltage Converters

Wattage typically determines what type of voltage converter you will need in terms of power. For smaller electronics such as electric shavers that are non-heating products, a 50-watt converter will do. For heated electronics such as curling irons, hair dryers, irons, and coffee makers, a 1600-watt converter will be needed. If you feel the quality of power will be an issue, it's a good idea to buy a universal surge suppressor along with your voltage converter.

For your computer, CD player, camcorder, TV, VCR, or DVD, voltage converters can be used according to the wattage power needed. But keep in mind that there are various formats used for television programming and films (VHS or DVD) that may not work with your product.

A TV will need a more powerful voltage converter than what is indicated on the back of the set because a TV causes a power surge when it is first turned on. Many newer electronics in these categories are able to work with multiple voltage outlets. Some electronics contain a simple switch that controls the voltage output. Just be sure to turn the switch to the correct voltage for the country you're visiting - BEFORE plugging it in. There are also code free and region free players and TVs that will work fine in other countries.

A Variety of Adapters

Not only will you need voltage converters for traveling overseas, but plug end adapters as well. Since many countries have numerous types of outlets, it's wise to carry a variety of adapters with you. Some adapter types you might encounter include flat blade, flat blade with grounding pin, round pin, round pins with ground, round pin plug and receptacle with male grounding pin, "Schuko" plug, rectangular blade plug, oblique flat blades, round pins with spade ground, "South African" plug with oversized pin. Though adapters make the plug fit properly into the outlet, they will not convert the voltage.

Some popular brand names for voltage converters and adapters include Franzus, Tripplite, Kensington, Electro-Sensors, Horlick, Devar, Visicomm, Travelarts, Dataforth, Avtron, and many others.

With so many great online resources, you can easily surf the Web to find the voltage converters and adapters you need. Now you can travel without leaving your frequently used electronics behind!


Types and Brands of Voltage Converters and Adapters

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