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How to Measure the Electricity Usage of Your Home Appliances
Dec 28th
Ever calculate how much electricity used by your home appliances and other electric-power equipment at your home? You can find the total usage of your home electricity from your monthly electric bill, but you may want to measure the energy used by each electric-powered items at your home, then how to do the measurement?
No matter what reason you want to measure the energy used by an electric-powered item at your home, basically there are three ways to measure it:
1. Use a simple watt-hour meter
You can use a simple watt-hour meter, which can be purchased at your local store. Just plug-in the device to the watt-hour meter and then plug the meter into the supply point. When the device is drawing current, the watt-hour meter will read the usage. This little device will tell you how much electricity uses at a given moment and over an extended period of time. This simple watt-hour meter is especially useful for finding the amount of electricity usage, measured in kWh for devices that don’t run constantly, like window unit air conditioners and refrigerators.
2. Install a whole-house meter
If you like to monitor whole house energy uses at any give moment, or how much you have used so far for the month, then you might want to consider an installation of a whole-house meter. The meter is similar to the electric meter at your home, but it has extra features that enable you to measure the electricity usage at a selected period of time. Once you press the reset button, the meter reading will be reset to zero, it will record the electricity usage until you stop it. This whole-house meter is very useful for you to monitor monthly electricity usage, which you can use to compare with the figure stated in your electric bill and make sure you are not overcharged.
3. Look at the electric meter
If you don’t want to spend money to buy watt-hour meter or install a whole-house meter, you still can measure the electricity using at a give moment. You just need to make use of your home electric meter.
This is how it can be done:
First, turn off the device you want to measure. In order to accurately measure the electricity usage of the device, you have to turn off the air conditioner and refrigerator because they will affect the reading if they kick in while you are making the measurement. Then, go to your electric meter and measure with a stopwatch on how long it takes for the disc to spin one round. Then, turn on the device you want to measure and go back to your electric meter to measure how much time it takes to spin one round.
Once you have the reading, you are ready to do the calculation. Look on the electric meter find something printed like “kh X.X”, where “X.X” is some number, normally is 7.2. This figure is called Kh factor.
The formula for calculation is: 3.6 x Kh fator / number of seconds = kW
Just plug-in the measurement and the Kh factor into the formula to get the electric usage of the device for a given time. For example, the Kh factor is 7.2. It took 60 seconds for the disc of the electric meter to spin when the device is turned off. And it took 40 second for the disc to spin when the device is turned on. Your first check when device is off showed you were using (3.6×7.2)/60 = 432 watts. With the device turned on, the usage is (3.6×7.2)/40 = 648 watts. By subtracting the 2 figures, you will get 216 watts, which is the power usage of the device selected for power usage measurement.
By: Dave Stilman
Frbiz.com reports Home appliances to the countryside not as hot as housing consumption
Dec 13th
While this television on the stuck “state subsidies, 13 percent,” doing we could save four or five hundred pieces, farmers XUE Chao-hu, or spend 4000 yuan to buy a flat-panel LCD.
“CRT’s, too low, and the other can purchase expensive point, lest we still have change.” Yanggu County, Shandong Province, China Xue Xue Zhaicun town super-Lok Hu said that China’s rural household appliances is a microcosm of the countryside.
Appliance sales are difficult to climax
According to Commerce Department figures, the first three quarters of this year, “home appliances to the countryside” products were sold 20.82 million units, amounting to 38.8 billion yuan, but the country is expected to be able to pull about 1,500 a year billion from the rural consumption is still large.
National home appliances to the countryside in September month, total sales of 6.178 billion yuan, the total sales of 3.16 million units, compared with August were down 18.66% and 16.58%, compared with September sales decline in July is 30%. Refrigerator sales of which more than 120 million units, accounting for more than 38%, followed by the color TV sales of 77 million units, accounting for 22%. The other followed by washing machines, air conditioners, computers, water heaters and so on.
Cause these products are still not very hot the reason is that many products can not meet the needs of the residents. XUE Chao-hu according to their own situation of the people around them feel wealthy family, and want to buy household electrical appliances countries do not give subsidies. The difficulties at home, home appliance and then cheaper, but also can not afford. XUE Chao-Hu suggested the country should abolish subsidies for household electrical appliances to take some of the restrictions can be no ceiling on the opening of all commodity subsidies for the benefit of the consumer.
In this regard, the State Council Development Research Center of the Ministry of Rural Han Jun judge is expected this year, home appliances to the countryside, even at an 800 billion in sales goals more difficult. So would like to rely on some subsidies to the farmers want to go buying household appliances, is still not realistic.
According to report, the country home appliances to the countryside of all the members of the Inter-Ministerial Joint Conference in late October just in the composition of inspection teams, the rate of subsidy paid down on the list of provinces, 100 to buy the low rate of provinces, the policy on subsidies for home appliances to the countryside payment such issues as auditing supervision and inspection.
The inspection team is expected to be on the 10th of this month will present a report before the end of the last 11 to form a written summary report to the State Council. Some analysts said the new report suggests that the removal of subsidies, a ceiling price of home appliances restrictions to stimulate the future, the rapid sales of home appliances.
Is understood that the current rapid growth in sales of home appliances to the countryside belongs to Sichuan, Shandong, Hubei, Hunan, Henan and other places. The northeast, the western provinces are generally slower sales growth.
Rural Housing Loan hot
And home appliances to the countryside policies pulling effect is relatively weak in sharp contrast, the rural housing consumption pull up a new round of boom.
Han Jungang had just completed a study in Shandong Weifang. He found that local banks do not need to guarantee mortgages without a way, is quickly occupied this part of the market. Given the current sales of household appliances in the countryside the situation is not satisfactory, next year, the rural housing construction, the rural consumer market starts to become another hot spot.
Shandong, for example, this year, the province plans to build Rural Housing 756.2 thousand, and strive to complete the 922.8 thousand. Guo Zhaoxin vice governor of Shandong Province in the October 20 report to the Provincial People’s Congress, pointed out that Shandong and strive to achieve the “one million rural households to build new houses” project, which focuses on villages in the city, the city side of the village, township resident village, the village economy strong, large enterprises resident and the surrounding villages, coal mining subsidence area and the relocation of the village unexploited coal zone.
These projects have made significant breakthroughs, as at the end of September, the province this year, construction of rural housing under construction and completion of transformation of the whole village, a total of 643.3 thousand, to complete renovation of dilapidated buildings 115,000, respectively, accounted for 85% of the task and 77.3%.
Han Jun, found that these local farmers and the banks are very bullish on the housing construction, such as his research in 67 villages in two months time, there are more than 700 peasant households to 86.6 million loan for housing loans, a maximum loan-to-10 million loan period is 5 to 8 years, the government there is the interest rate concessions, the peasants do not need guarantees, team approach taken by UNPROFOR.
He estimates found that a prefecture-level city, three-year loans to 300 million, in the province or the country analogy, it is a staggering figure. He concluded, “We want to find a new home appliances in addition to stimulate rural consumption hot spots, this is definitely hot houses of farmers.”
Shandong’s approach is not new. In recent years, Tibet, Shandong, Zhejiang and Hebei provinces and cities, has been pushing the province within the area of the building’s support for farmers policy, its effect is obvious. For example in Tibet from 2006 to the present financial supplement for less than 7 million by the end of this year, one million Tibetan farmers and herdsmen to live in new houses go. This year the central government come up with the country of 40 million, in 23 provinces and supports 80 million households of farmers carried out renovation of dilapidated buildings, one to 10000.
The effect of these subsidies is very obvious. Shandong, for example, this year alone, Shandong Province, the special fund for financial investment is only 4.4 billion yuan, but to start leveraging the role of domestic demand is very great. Situation in the province of Shandong Province Academy of Social Sciences Research Center, director of Qin Wu estimated that for every new home can be an investment of 100,000 yuan on average driving. If the realization of one million new homes each year terms, can stimulate investment in the annual 100 billion yuan, three-year boost investment 300 billion yuan.
Shandong Province to start due to taste the sweetness of the rural housing construction, the next step this done a more thorough preparation. Letter to the province’s public housing construction committee and the provincial Office of identification, will be organized to implement the delivery of cement, steel and the countryside in order to offer below-market prices to farmers or construction unit sales, will soon be piloted in some counties and cities.
By: tianli
Home Appliances
Dec 10th
Home appliances are all of those appliances that are used in the home. It is a very broad term that encompasses everything from electric toothbrushes to washer/dryers. Home appliances can be large or small. They are basically classified as white good and brown goods. Brown goods are classified as household electrical entertainment appliances like CD and DVD players, televisions and camcorders. The term “brown” was applied because most of these appliances at one time were traditionally finished with wood.
Major household electrical appliances are called white goods and include air conditioners, dishwashers, stoves, refrigerators, washing machines, dryers, etc. White goods were, and still are in many cases, enameled white.
Any home appliance that is purchased today should be energy efficient in order to save money. Federal regulations have to be listed on any appliance purchased, so you can see what you are buying and how energy efficient it is. This is particularly true with furnaces, refrigerators, freezers, water heaters, washing machines, dishwashers, air conditioners and lamps. Another example is purchasing an appliance that uses water, like a washing machine or a dishwasher. Look for newer features like reduced water uses for different rinsing cycles. Another cost effective measure you can take when buying an air-conditioner is to make sure that it fits the size of your room. If you purchase one that is too big for the area that needs to be cooled, you’ll be wasting energy and money. The Department of Energy suggests that an air-conditioner’s size can be determined by multiplying your room’s square feet by 20.