Friday, December 9, 2011

!: Kvarts DRSB-01 Dosimeter

Scale range ambient dose rate equivalent: 0.003 ... 0.6 μSv/h Range of registered energy 1) gamma radiation, unknown 2) X-ray radiation, unknown 3) beta radiation, unknown 4) alpha radiation, not detected Time of calculations Instant Time of indication continuous Power elements 2 AA batteries Overall dimensions 150x65x21 mm Weight (w/o batteries) 0.125 KG DRSB-01 Geiger Counter is an inexpensive Russian-made Geiger counter, obtainable from eg. eBay, for prices often as low as 17 USD, with 9 USD air mail postage. It is a fairly sensitive detector of gamma and high-energy beta radiation. It is powered by two AA batteries; it is fairly insensitive to drop in the battery voltage, as the lower-voltage NiMH cells will work reliably. The battery life is claimed to be in excess of 200 hours with normal radiation background. The device is built with typical Russian idiotenzicher and soldatenfest design. It indicates photons and beta particles with an audible click (somewhat quiet, especially if the batteries are almost run-down), a green LED blinking in more or less synchronous way with the audio indication, and a red LED indicating attention-requiring level of radiation. There is no measurement of radiation nor integration of the dose, however that can be easily added using a cheap microcontroller. The counter is fairly sensitive; under normal Central-European conditions it gives about 10-40 counts per minute. Some sources claim sensitivity down to 0.003 microsievert. The weak ...

Saturday, December 3, 2011

Cobra CPI 1575 1500 Watt 12 Volt DC to 120 Volt AC Power Inverter

!: Used Cobra CPI 1575 1500 Watt 12 Volt DC to 120 Volt AC Power Inverter buy now

Brand : Cobra | Rate :

| Price : $96.95
Post Date : Dec 03, 2011 10:24:24 | Usually ships in 24 hours

This inverter provides household power on the go. It converts battery power to 120 V AC household power, allowing you to power up office equipment and household appliances from your vehicle. This unit is ideal for such appliances as microwave ovens (1000 watts or less), coffeemakers, laptops, TVs, video game consoles, CD and DVD players, cell phone chargers, and more.

Power equipment and appliances from your vehicle. Click to enlarge.

Great for automobiles, RVs, boats, tractors, trucks, and more. Click to enlarge.

Includes three grounded AC receptacles and 5-volt USB output. Click to enlarge.

How The Cobra Power Inverter Works
The Cobra power inverter is an electronic product that has been designed and built to take low-voltage DC (Direct Current) power from your automobile or other low-voltage power supplies and convert it to standard 115 volt AC (Alternating Current) power like the current you have in your home. This conversion process thereby allows you to use many of your household appliances and electronic products in automobiles, RVs, boats, tractors, trucks, and virtually anywhere else.

Cobra 1500 Watt Output Waveform
Some very sensitive electronic equipment might not operate satisfactorily on "square wave" or "modified sine wave" power. The output waveform of the Cobra Inverter is a "square wave" or "modified sine wave." It is a stepped waveform designed to have characteristics similar to the sine wave shape of utility power. A waveform of this nature is suitable for most AC loads, including linear and switching power suppliers used in electronic equipment, transformers, and motors.

AC receptacles
With three ground AC receptacles, you can connect and power multiple devices at once.

USB Output
The 5-Volt USB output allows charging and operation of modern portable devices, such as iPods, BlackBerrys, and cell phones.

Remote On/Off Switch Capable
An optional Remote On/Off Switch can be connected to the Remote Jack, allowing you to turn the Cobra power inverter on or off from a convenient location when the inverter is installed out of reach.

Safety Features
The CPI 1575 will notify you with a flashing meter and alarm sound when there is a power problem, and will shut down for protection in the following situations:

Current Overload Protection--If the inverter is overloaded, it will shut down to protect itself.
Short Circuit Protection--If the AC output of the inverter is short-circuited for one second or more, it will shut down to protect itself.
Low Voltage Protection--If the input voltage drops to 10.0V or less, the inverter will shut down to protect itself.
High Voltage Protection--If the DC input voltage rises above 15.0V, the inverter will shut down to protect itself.
Over Temperature Protection--If the internal temperature rises to 40 degrees C (104 degrees F), the inverter will shut down to protect itself.

What's in the Box
CPI 1575 DC to AC Power Inverter, instruction manual

1500 Watts Continuous Power, 3000 Watts Peak Power
Three grounded AC receptacles and 5-Volt USB output
LED function/status meter
Remote on/off capable for easy control when installed out of reach
Two-year limited warranty

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Wednesday, November 16, 2011

Linear Power VS Switching Power Supplies

!: Linear Power VS Switching Power Supplies

Choosing a power supply is one of the most important steps when building a customized computer. Since the building of customized computers have risen in popularity due largely to the gaming community as well as computer enthusiasts, it is important to understand how to choose a power supply for the ensuing stroke of genius that is created as a portal to the Internet. Without the heartbeat of electricity, and a steady stream that can handle the power built into a custom computer, even the best designed customized computers fall into the land of permanent rest.

Linear and switching power supplies are options as well as the uninterrupted power supply variety. The choice comes down to what you need for your particular computer and the amount of voltage necessary to run your new source of pride and joy.

Linear power supply is seldom the answer for customized computer. These types of energy supply require very large transformers and are extremely heavy. Unless you are a body building champion with a need to prove yourself, linear power is probably not what you want at approximately one pound per ampere. Add to that the necessity of large heat sinks to dissipate energy loss and an efficiency of about 50%, linear power options are simply too cumbersome and inefficient to meet the needs of most home computer building purposes.

Most enthusiasts choose something in the switching power supplies category since they want a computer-not a weight lifting championship. There is higher production costs involved, but these options are lighter weight and smaller-meaning they will fit in your house. Another advantage is that these power supplies are about 70-90% efficient. Since the efficient running of your computer is generally the goal, this increase in efficiency has a big pull for power supply choice.

While this sounds confusing, it really isn't. Switching power supplies use AC voltage-120V or 220V-which is generally what a house is equipped to handle anyway. There isn't any sophisticated equipment that you have to have wired into your house for its use. The main difference in the power supply needed comes in choosing the power factor correction and not in changing your plugs and house wiring to be able to use a switching power supply.

You may, however, have to increase your breaker capacity if you already have too much depending upon them when you plug your newest creation in, but that is to be expected with anything you add that uses the electrical circuits available in the average home. Another necessity is protecting your computer from power surges with a properly designed surge protector. Otherwise, there isn't much you have to do to prepare for your power supply choice.

If you are still confused, simply call up your local computer store and ask. Many of the employees in the stores can help you decide and find what you need. Always consider asking a professional computer tech who has experiencing in networking and other hardware areas of computers for the added security of getting the correct information and helpful recommendations that can make your experience with powering your computer an enjoyable one.

Linear Power VS Switching Power Supplies

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Friday, November 11, 2011

Spyro Gyra Down The Wire EPK Video

!: Spyro Gyra Down The Wire EPK Video

SPYRO GYRA TAKES ANOTHER STEP ON THE WIRE ON NEW HEADS UP RELEASE Down the Wire set for worldwide release on April 28, 2009 Life is being on the wire, everything else is just waiting. - Karl Wallenda The patriarch of the famous aerialist family certainly knew what he was talking about after a lifetime of thrilling, edge-of-the-seat performances for his audiences. While the stakes might not be as high for a jazz band improvising in a recording studio or in front of a live audience, Spyro Gyras leader and saxophonist Jay Beckenstein understands the passion that drives a person and makes life on the wire so appealing.

Spyro Gyra Down The Wire EPK Video

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Monday, November 7, 2011

Tranformer

!: Tranformer

Importance Of Transformer In Field Of Electricity

The electric power now a days has become the necessity of people. Every consumers of any category such as commercial, residential etc needs electric power. So it has become duty of the government to generate electric power and transmit it to the consumers safely and satisfactorily.
The development of a state depends upon its industry, its business and other such options which plays a vital role in increasing the per capita income. But parallel to other needs of industry electricity is also a need. No machine can run without it. Similarly, now a days computer has become the part of every business office. It needs too electric power. So if it does not get electric power at appropriate level it will not work and the smoothness business ends.

Different types of consumers needs different voltage levels of electric current. For example a commercial consumer may need a voltage level of 11 kv or 440 v or 6.6 KV while a residential consumer needs power at level of 240 V.

For serving different consumers we cannot give supply to them from different generating stations generating power at different levels. It is not convenient and sometimes impossible. So it becomes a need to generate power at a level and to transmit it to other stations at a higher level and distribute it to consumers at different levels on the voltage level of their need.

So at every step whether voltage level should have to be increased or decreased we need a transformer. So the role of transformer in the transmission and distribution of electric power is very important.
The electric power is generated at a level of 12-15 KV and is stepped up to 220 KV or higher levels with the help of step up transformer. At the distribution stations it is stepped down to a lower level 66 KV and send to substations and then further decreasing to 11 KV and 400V it is divided between consumers with the help of stepdown transformer.
So transformer has become a necessity due to its important role in power transmission and distribution.

Transformer -In General

Transformer is basically a static device which is defined as a device which can step up or step down the voltage level of A.C. applied to its primary. If the transformer is step up then the voltage on secondary terminals will be high and if the transformer is stepdown then the voltage level on secondary terminals will be low. Any winding can be considered secondary and primary so any transformer may behave as stepup or step down transformer but it is possible only theoretically it is not possible practically on the behalf of insulation reasons. So transformers are wound for different types and for different voltage levels. For stepping up or down a voltage a suitable transformer should be choosed.

As said earlier transformer is a static device. In the construction of it we have a core which is made up of steel sheet stampings these stampings are cut into many steps such as i.e. etc. and are them assembled to have the complete core. On this core the secondary and primary windings are wound. Both the windings are insulated from each other as well as from the core. The no. of turns of primary and secondary coils determines whether it is step up transformer or step down transformer. For stepup transformer secondary no. of turns should be more as compared to primary. For step down transformer these should be less.

Now these windings on the transformer are immersed in the tank which is the mainbody of the transformer. The tank is filled with oil and provided with fins for cooling.

The transformer oil gives two fold results. It cools the windings and insulate the winding from the main tank body. The primary and secondary terminals are made ready with the help of bushings.

Now when the voltage is given to the primary winding of the transformer a flux gets produced, this flux alternating in nature follows a path on the core and get linked to the secondary winding hence a voltage is generated at the secondary winding.

So a transformer is based on FARADAYS LAWS OF ELECTROMAGNETIC INDUCTION.

The voltage generated on the secondary depends on the secondary and primary no. of turns.
N2/N1 = V2/V1 = I1/I2 = K

Here N is no of turns, V is voltage I is current. 1 and 2 denotes primary & secondary windings respectively. K is called transformation ratio. For the value of K>1 transformer is step-up type and for K

Tranformer

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Tuesday, November 1, 2011

White People to the Rescue

!: White People to the Rescue

As featured on The Oreo Experience (theoreoexperience.com), this video shows us why movies like The Blind Side are so important. Cant get enough of this thematic material? I know I sure cant! Gotta keep the fires of self loathing burning with something. For more material that will remind you that RBP just cant do it on their own and make you love to hate every drop of melanin you were born with, check out not only The Blind Side, but also, Dangerous Minds, Freedom Writers, O, Hardball, Up the Down Staircase, Step Up, Bring it On, Step Up 2 The Streets, Finding Forrester, Precious-Based on the Novel Push by Sapphire, Fighting the Odds: The Marilyn Gambrell Story, Hancock, Wildcats, The Gridiron Gang, Friday Night Lights, and Transformers 2-because even on a near-apocalypitc, robotic future, the black robots are the only ones who cant read. Thanks, ruling class, we clearly, really owe you!

White People to the Rescue

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Friday, October 28, 2011

1933 Vintage Disney Mickey Mouse AC Radio Emerson 411

!: 1933 Vintage Disney Mickey Mouse AC Radio Emerson 411

Vintage Walt Disney 1933 Mickey Mouse Novelty Radio. Emerson Model 411 AC Tube Radio. 7 1/2 x 7 1/4 x 5 1/4 inches repwood and wood construction. The electronics were professedly repaired. The radio plays very well and picked up stations over 100 miles away. A transformer was added to step down the voltage because the old cord with a line cord resistor was bad and they do not make replacements. Nothing was added to the radio it is still vintage 1933.

1933 Vintage Disney Mickey Mouse AC Radio Emerson 411

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Monday, October 24, 2011

Power Bright VC1500W Voltage Transformer 1500 Watt Step Up/Down 110 Volt - 220 Volt

!: Promotional Power Bright VC1500W Voltage Transformer 1500 Watt Step Up/Down 110 Volt - 220 Volt purchase online

Brand : Power Bright | Rate :

| Price : $74.39
Post Date : Oct 24, 2011 18:36:59 | Usually ships in 24 hours

This is a voltage converter or transformer that can be used as a step up transformer in 110/120 volt countries or as a step down transformer in 220/230/240 volt countries. This heavy duty voltage transformer can be used for continuous duty. It will convert voltages of 220-240 volts to 110-120 and will also convert voltages from 110-120 to 220-240 volts.

1500 watts continuous power
On and Off Switch
2 Spare Fuses Included
FREE Grounded Adapter Included
Heavy Duty

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Thursday, October 20, 2011

PowerBright VC-3000J Japanese Step Up/Down Transformer, 3000 Watts, Converts 100V to 120V and 120V to 100V

!: Shop PowerBright VC-3000J Japanese Step Up/Down Transformer, 3000 Watts, Converts 100V to 120V and 120V to 100V Order Now

Brand : Powerbright | Rate :

| Price :
Post Date : Oct 20, 2011 14:12:49 | Usually ships in 1-2 business days

PowerBright VC-3000J Japanese Step Up/Down Transformer, 3000 Watts, Converts 100V to 120V and 120V to 100V

Features of 3000 Watt step up / step down transformer: * Heavy duty for continuous use. * These transformers can be used in 120 volt countries and 100 volt countries. They will convert from 120 volt to 100 volt AND from 100 volt to 120 volt. * On & Off switch. * Fuse protected * 1 Year Manufacturers Parts & Labor Warranty * Dimensions WxLxH: 7.2 x 9.9 x 6.0 in * Weight (lb): 37 * Capacity: 3000 watts

More Specification..!!

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Wednesday, April 20, 2011

Samsonite 60 Watt Step Down Transformer

!: Shop Samsonite 60 Watt Step Down Transformer discounted

Brand : Samsonite
Rate :

Price : $29.95
Post Date : Apr 20, 2011 15:07:59
Usually ships in 24 hours

•High shine plastic
•Engineered for global travel
•Transforms 220/240VAC electricity to 110/120VAC- makes standard U.S., Canadian and Mexican appliances usable abroad
•Designed for continuous use
•3-pin receptacle accepts grounded and ungrounded plugs
•Built-in grounded European plug will fit most 220/240VAC electrical outlets in Continental Europe
•Power-On light and replacement fuse included
•Application: electric and electronic equipment under 60 watts including computers, DVD players, fax machines, curling irons and shavers

Dimensions: 4.1" x 3.97" x 2.45"

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