Hiring a Building Supply Company for the Finest Building Supplies

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Small-scale construction companies go through hell when they try to find the right building supplies for a particular construction project. They can get some building material from local or wholesale hardware stores, but the quality and price of these products are questionable. This is where a local building supply company comes into the picture. This kind of a company offers high performance building supplies that help the construction company to make their construction project safe, secure and habitable. There are quite a few factors that a building contractor or construction company should keep in mind when planning on working with one of these building supply companies. Today, we are going to talk about some of these points. So read on to find out more.

Factors to keep in mind

Ease of availability The building supply company you work with should be present within a serviceable area and close proximity to your building project. Because of this proximity, the building supply company can drop off the supplies you need, like Siga airtightness membranes tapes, as and when you need them, thereby removing the need to halt the work progress. But even so, always remember to find out what the delivery radius of the company is, because, without proper information, you might land into a lot of trouble.

High-grade products delivered at all times The company you choose should deliver high-grade building supplies at all times. The quality of the goods being delivered to you should never deteriorate. If needed, conduct regular inspections of the supplies or take help from a quality control specialist to ensure that you receive the best possible supplies for the price you are paying to the company. Although supplying low-grade supplies would ruin a companys business prospects, you should always be cautious on your part.

Multiple delivery options throughout the day You must make sure that the building supply company delivers the supplies right at the doorstep of your construction project. It would not be fair to ask your engineers or construction workers to drive a truck down to the supply store and get the supplies. Not only will it be unfair, but it will also be a financial blunder as well. Always go with a company who include the delivery charges in the materials cost they charge. Otherwise, it will not be much of an economic decision on your part. Also, the delivery should be quick as well as available at all times, even in the middle of night. This will allow for room in case there is any urgent requirement.

Affordable costs Before deciding on a particular building supply company, it is up to you to conduct online research on various supply companies and the prices they charge. These costs must be compared before a final decision can be taken. You need a supplier who provides high-grade supplies but does not charge a fortune in exchange. You would be wise to set a budget before you start looking for a company. Try and hire one that seems reliable and affordable to you.

A wide array of choices Any good building supply company would have a broad range of building supplies and building products for you to go through or choose from. An extensive list of items gives testament to the ability of a supply company to provide whatever a contractor asks for. This is the type of company you should work with.

Heat The Computer's Worst Enemy

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For several different reasons, storage is a very important part of a computer. These days, computers do far more than they ever have in the past. From businesses to family photo's, storage is the ideal way to keep documents on your computer. The most popular method of storage is the hard disk drive, which we all count on for keeping our data safe.

Even though the hard drive stores data, it isn't perfect by any means. Hard drive failure is very common with all computers, with no real way to prevent it. Although there are several different reasons why a hard drive can fail, the most common is overheating. Viruses and crashes are common as well, along with theft and accidental deletion.

With the older style and mechanics of hard drives, the RPM speed was low, meaning that the drives wouldn't overheat. The hard drives we use now days, have speeds between 7,200 and 10,000 RPM, meaning that they can get quite hot when they start working. Computers of this day and age come with fans to cool everything down, with most hard drives including temperature sensors as well, so you can keep track of just how hot your hard drive becomes.

With hard drives today, overheating is a very common problem. The faster hard drives come with speeds of 10,000 RPM, which can make the temperature soar above 70 degrees F, really heating things up inside the drive. The mechanics on the inside are built to withstand the heat, although if things become too hot, you'll encounter problems. If a drive becomes too hot and ends up losing the data, it may be next to impossible to retrieve the information - no matter how good your data recovery specialists may be.

One area that suffers from the drive overheating is the platters, which are magnetic media. Platters are what carry the data throughout the hard drive. Platters are constructed from optical glass, aluminum, or ceramic and normally coated with a layer of magnetic material. Once the hard drive begins to heat up, the platters will start to expand, which changes their size. When this happens, the magnetic surface on the platters will get destroyed, which results in a loss of data. If the physical area of the platters are damaged, it will result in unreadable sectors.

Other areas of the hard drive that can be damaged due to overheating are the read and write heads, head actuator, and the controller chip. Hard drives are very sophisticated pieces of hardware, and can't handle overheating. The read and write heads are a common example, as they can easily render the drive useless if they become damaged. If they get too hot, they don't make any contact with media, which pretty much stops the flow of transfer from information to the computer.

To prevent your hard drive from overheating, you should always make sure that it is cooled properly and well ventilated. You can always get additional fans and coolers, which will improve both ventilation and the flow of air in your computer. You can buy fans and coolers at very affordable prices, which makes them an ideal investment for keeping your hard drive or hard drives cool.

You can also get software that monitors the temperature of your hard drive as well. Whether it's software, or additional fans, you should always ensure that your hard drives are kept cool. By keeping them cool, you'll greatly reduce the amount of crashes. You'll also increase the stability of your hard drive as well, which will make your entire computer perform much better.

Have fluorescent lamp ballast integrated circuit of power factor correction, controlling and protec

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The fluorescent lamp ballast is designed and transforming to all electronic lighting systems. Compared with device five years ago, the mature electronic ballast technology can be offered better characteristic with lower system cost now day by day. IR2166 and IR2167 control integrated circuit whether most of new generation electronic ballast control representative of integrated circuit among them. In order to understand the relevant characteristics of these two kinds of integrated circuit, we see first they can remedy the characteristic advantage of the magnetic ballast weak point, including:

It is lighted that flicker free

There is no audible noise

Increase power factor correction easily

The flashing consideration of the electric light is very important, because the magnetic ballast will glimmer when 60Hz works. In contrast to it, electronic ballast change high frequency into the intersection of 60Hz and power, so it glimmer, reduce electric light to, experience competence. In addition, high frequency produces less one hotly, efficiency is higher too.

The magnetic ballast will produce the audible noise, in the core electromagnetic element of 60Hz because of its using operation, it is not to send out the audible exchange hum to design the outstanding high-frequency electronic ballast.

Power factor correction (PFC) Can add to all typological electronic ballasts very easily, but very difficult for magnetic ballast. PFC circuit can revise the alternating current, makes input voltage and electric current transfer to a sine wave, and it is pygmy to make the harmonic content. In addition, is raised the efficiency too by the high power factor that PFC circuit is received and reduces the cost. The harmonic goal of the ballast is to keep the international standard IEC 61000-3-2 C grade less than harmonic current of the lighting system limiting.

Power factor correction and total harmonic distortion (THD, namely the harmonic wave of power produced by ballast) Also there are relations. Any harmonic wave produced by ballast will cause bad influence on other electronic systems connected to the same power too. The power factor means the input power the pure wave and does not have harmonic distortion (THD for 1.0 =0%) ,So preferably there is a high power factor (PF) And low THD.

After determining to adopt all electronic schemes, the designer needs to consider a plurality of used in the lighting system and control the characteristic of IC. These characteristics can influence the whole system cost of the electronic ballast. The cost factor of maximum is probably the quantity of using the component, it influences hardware preserving, component overall arrangement and whole engineering, the master problem is:

Can the one piece IC offer the intact ballast to control? The one piece IC has reduced the cost of the hardware, has simplified the ballast to the interface of the light.

Is IC suitable for light type and size of the wide-range? Storing the one piece IC suitable for all system configurations can reduce the hardware stock.

Control whether IC can programmed, in order to set up the system feature according to the applied requirement? So can make system design more flexible.

Is IC the built-in power factor correction (PFC) ? The built-in PFC circuit can reduce the whole number of elements.

Are there demonstrating boards? It can simplify the design of the lighting system.

Does the demonstrating board have computer aided design softwares? Time that it can help the designer and reduce the products and put on market.

The answer that IR2166 and IR2167 give the question above is all " " . The older generation electronic ballast control device adopts a sep control IC, gate drive IC and PFC IC, and IR2166 and IR2167 adopt the single chip scheme, lowers the system cost. Besides reducing the number of elements, these IC simplifies installation too, improves reliability and saves the time of designing. In addition, the time that they reduce the new fluorescent lamp lighting system and put on market too.

IR2166 device has state machines in order to control the working sequence of the ballast, including Under Voltage Lock Out, preheats, touches off, runs and failure mode. This chip integrates programmable preheating time and frequency, can heat the filament to the appropriate transmission temperature. This kind of characteristic can lengthen the electric light life-span 30 times of Damien, reduce the required trigger voltage at the same time. Programming Dead Time, preheating and characteristic of the frequency of running enable IR2166 through can adapt a lot of different typological lights when revising the component brieflying. In addition, general 90V can be designed for simplified circuit of global market 260V ac input, lower the need of carrying on special planning for different areas.

The fluorescent lamp ballast is designed and transforming to all electronic lighting systems. Compared with device five years ago, the mature electronic ballast technology can be offered better characteristic with lower system cost now day by day. IR2166 and IR2167 control integrated circuit whether most of new generation electronic ballast control representative of integrated circuit among them. In order to understand the relevant characteristics of these two kinds of integrated circuit, we see first they can remedy the characteristic advantage of the magnetic ballast weak point, including:

It is lighted that flicker free

There is no audible noise

Increase power factor correction easily

The flashing consideration of the electric light is very important, because the magnetic ballast will glimmer when 60Hz works. In contrast to it, electronic ballast change high frequency into the intersection of 60Hz and power, so it glimmer, reduce electric light to, experience competence. In addition, high frequency produces less one hotly, efficiency is higher too.

The magnetic ballast will produce the audible noise, in the core electromagnetic element of 60Hz because of its using operation, it is not to send out the audible exchange hum to design the outstanding high-frequency electronic ballast.

Power factor correction (PFC) Can add to all typological electronic ballasts very easily, but very difficult for magnetic ballast. PFC circuit can revise the alternating current, makes input voltage and electric current transfer to a sine wave, and it is pygmy to make the harmonic content. In addition, is raised the efficiency too by the high power factor that PFC circuit is received and reduces the cost. The harmonic goal of the ballast is to keep the international standard IEC 61000-3-2 C grade less than harmonic current of the lighting system limiting.

Power factor correction and total harmonic distortion (THD, namely the harmonic wave of power produced by ballast) Also there are relations. Any harmonic wave produced by ballast will cause bad influence on other electronic systems connected to the same power too. The power factor means the input power the pure wave and does not have harmonic distortion (THD for 1.0 =0%) ,So preferably there is a high power factor (PF) And low THD.

After determining to adopt all electronic schemes, the designer needs to consider a plurality of used in the lighting system and control the characteristic of IC. These characteristics can influence the whole system cost of the electronic ballast. The cost factor of maximum is probably the quantity of using the component, it influences hardware preserving, component overall arrangement and whole engineering, the master problem is:

Can the one piece IC offer the intact ballast to control? The one piece IC has reduced the cost of the hardware, has simplified the ballast to the interface of the light.

Is IC suitable for light type and size of the wide-range? Storing the one piece IC suitable for all system configurations can reduce the hardware stock.

Control whether IC can programmed, in order to set up the system feature according to the applied requirement? So can make system design more flexible.

Is IC the built-in power factor correction (PFC) ? The built-in PFC circuit can reduce the whole number of elements.

Are there demonstrating boards? It can simplify the design of the lighting system.

Does the demonstrating board have computer aided design softwares? Time that it can help the designer and reduce the products and put on market.

The answer that IR2166 and IR2167 give the question above is all " " . The older generation electronic ballast control device adopts a sep control IC, gate drive IC and PFC IC, and IR2166 and IR2167 adopt the single chip scheme, lowers the system cost. Besides reducing the number of elements, these IC simplifies installation too, improves reliability and saves the time of designing. In addition, the time that they reduce the new fluorescent lamp lighting system and put on market too.

IR2166 device has state machines in order to control the working sequence of the ballast, including Under Voltage Lock Out, preheats, touches off, runs and failure mode. This chip integrates programmable preheating time and frequency, can heat the filament to the appropriate transmission temperature. This kind of characteristic can lengthen the electric light life-span 30 times of Damien, reduce the required trigger voltage at the same time. Programming Dead Time, preheating and characteristic of the frequency of running enable IR2166 through can adapt a lot of different typological lights when revising the component brieflying. In addition, general 90V can be designed for simplified circuit of global market 260V ac input, lower the need of carrying on special planning for different areas.

Parameter

IR2167

IR2166

Light type

35W TL5

35W TL5

Input power

35W

38W

The light operating voltage

750Vpk-pk

600Vpk-pk

Operation frequency

42kHz

44kHz

Preheat the frequency

56kHz

57kHz

Preheating time

One second

One second

The light preheats the voltage

400Vpk-pk

660Vpk-pk

Undercurrent protection

Yes

No

Lower than the resonance point to protect

Yes

No

Protect in hot year

Yes

No

The light connects ability in parallel

Yes

No

Touch off the slope frequency

36kHz

---

Trigger voltage

2000Vpk-pk

1700Vpk-pk

Input and exchange the voltage range

80-260Vac(rms)

90-260Vac(rms)

Power factor

0.99 @120Vac

0.995 @120Vac

Total harmonic distortion

< 10% @ 120Vac

< 10% @ 120Vac

Capsulate the connecting pin

20

16
Table 1: IR2166 and IR2167 demonstrating board characteristic

Fig. 1: IR2167 ballast control system

Picture 1: IR2166 fluorescent lamp ballast control device and demonstrating board

For more information about these, please visit our website at www.hu-tui.com

Hard Drives Can Go Bad, But You Don't Have To Panic

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The majority of people that use computer don't really understand too much about technical problems these systems can go through. Of course, just because we don't know anything about it doesn't always mean it won't happen to us either. The biggest issue with hard drives is that while we can hear them working we don't know what is really going on in there, making it difficult to diagnose a problem on our own.

How many of you have experienced this scenario? You are working like normal but start to hear some weird noises coming from the hard drive. You decide to ignore it for a few days thinking it isn't anything major, but then you turn the computer on one day to discover it won't start up. You can hear the fan running like it should, but it quickly shuts back off and that is when you know something major has happening.

Among the things you should learn to watch for is an unusual noise coming from the hard drive, the system running a lot slower than it normally does and of course a failure to start up.

Don't panic right away thinking you have lost everything you had stored on the computer or that you are going to have to get a whole new system.

Here is a break down of the components of a hard drive. The platter is the area in which all of your information is stored on the hard drive disk. A shaft motor moves the platter while the read/write head stores or recalls the information on the hard drive disk. A voice coil helps the read/write head move and a head assembly keeps space between the head and the platter.

My point in all of this is that if even one of these components goes bad, the whole hard drive can mess up. This doesn't mean you have to rush out to buy a new computer either. It just means you need to have the particular component replaced is all. There are a lot of shops that can do this for you

You can easily find a data recovery shop that will take your computer to their shop and repair or replace the faulty part. When you get the system back, all of your information should still be right where you left it. In just a few days you can have your computer back, safe and sound, complete with all the things you thought you had lost just a few days prior.