2013年7月3日星期三

How to Choose a Best pure sine wave inverter for your RV or RoadTrip Vehicle

The Pure Sine Wave Inverter, A Go Power! true-sine wave power inverter
best Inverter
Pure Sine Wave Inverter

best inverter
Pure Sine Wave Inverter

best Inverter
Pure Sine Wave Inverter

best inverter
Pure Sine Wave Inverter

Pure Sine Wave Inverter
Pure Sine Wave Inverter

best inverter
Pure Sine Wave Inverter

best inverter
Pure Sine Wave Inverter

best inverter
Pure Sine Wave Inverter

best inverter
Pure Sine Wave Inverter

best inverter
Pure Sine Wave Inverter

It may look like easy that get a suitable device to convert DC power to AC, but when you begin shopping for  the sine wave power inverter for your RV or road trip vehicle, you'll soon find that plenty of choices will confront you. With prices ranging from less than $40 to well into the thousands, it can be difficult to know what features are important and how to choose a unit appropriate to your needs. While wattage, features, and connections are obvious considerations, your final choice should take into account the inverter's wave form output.

There are two general types of power inverters: true-sine wave or modified-sine wave (square wave). True-sine wave inverters produce power that is either identical or sometimes slightly better to power from the public utility power grid system. The power wave when viewed through an oscilloscope is a smooth sine wave.

Modified-sine wave and square wave inverters are the most common types of power inverters on the market. Modified-sine wave power inverters produce a power wave that is sufficient for most devices. The power wave is not exactly the same as electricity from the power grid. It has a wave form that appears as a choppy squared-off wave when viewed through an oscilloscope.
What does that mean to the everyday user? Not much. Most household electrical devices will run perfectly fine on either type of wave form. Most of our customers who are using a power inverter to run a laptop, a/c cell phone charger, fan, or camera find that a modified-sine wave power inverter that operates through the cigarette lighter socket the easiest to use. We usually suggest choosing power inverters that are rated under 300 watts when using the 12-volt cigarette lighter socket found in most vehicles. We suggest this because after reaching 300 watts of draw on the inverter, the fuses in your car will begin to blow. The PSI300 watts Pure Sine Wave Inverter is a great choice for dashboarders who would like an easy solution to power their devices. It has only one outlet, but since plugging it into a 12-volt socket is all that is required for operation, it can't be beat for ease of use. This little inverter can supply 140 watts of continuous operation and has a built-in surge protector.
PSI300 Pure Sine Wave Inverter

300 watts Pure Sine Wave Inverter

Pure Sine Wave Inverter

Pure Sine Wave Inverter


    600 watts : For household appliances, large screen TVs, 5-amp power tools, and bread machines. Most such inverters are connected directly to the 12-volt battery and have three or more grounded outlets for powering several products at the same time.

    PSI800 pure sine wave inverter: For household appliances, larger power tools, microwave ovens, toasters, and hair dryers. All of theses inverters are designed for direct connection to the battery network and can generally supply 1500 watts of continuous power.

    PSI3000 pure sine wave inverter: With output power generally rated at 2500 watts for continuous load, these inverters can power virtually all household appliances and office equipment. For loads of this magnitude, special wiring and battery banks may be required.

       
   

The PSI5000N pure sine wave inverter true-sine power inverter
   
       

The problem with wave form only comes into play when specialized pieces of equipment need to be powered. Here are a few devices which could have problems when they are connected to an inverter producing a modified-sine wave signal: oxygen concentrators, fax machines, laser printers, high voltage cordless tool chargers, equipment with variable speed motors, electric shavers, and garage door openers.

There are a few other applications -- high-end audio video units, plasma displays, gaming systems, and certain scientific testing equipment -- for which true-sine wave is not usually required. Even so, these applications can usually benefit from the improved clarity of the electrical signal produced by a true-sine wave power inverter. Users of these particular items have usually spent a lot of money to achieve optimal results from their equipment, and it would be a shame to have a cheaper modified-sine wave signal cause inaccurate readings on a piece of scientific equipment. It would be equally disheartening to have small distortion lines appear on a $3000 plasma TV because the user saved $250.00 by buying a modified-sine wave power inverter.

It is also important to understand that there is no way to upgrade or clean a modified-sine wave signal. If your item does not work on a modified-sine wave inverter, you will need to purchase a new true-sine wave power inverter. We often recommend that users on a tight budget purchase only enough true-sine wave power to run required equipment and purchase a less expensive modified-sine wave inverter to run the rest of the load.
 Many people are surprised at the overall improvement in signal quality when using inverters on audio/video applications. They notice that there are fewer distortions and few if any interference lines. While we don't recommend true-sine wave inverters to most of our customers, we do advise customers with no budgetary concerns to choose a true-sine wave product. They can then rest assured that their inverter will be able to handle anything they plug into it.

Many stores do not carry true-sine wave power inverters because the price is often significantly higher than their modified-sine cousins -- usually two to five times more. Generally, expect to pay $200 to $3,000 for pure-sine wave inverters depending upon how many output watts are needed. Our firm, puresunnergy.com has had great experience with two brands of true-sine wave power inverters, namely the Xantrex Prosine line and the Go Power! true-sine wave line.

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