4 Signs You Need to Replace Your Liquid Dispenser

Using a faulty liquid dispenser has a lot of drawbacks. They include, but are not limited to, the following.

·         imprecise quantity of the liquids dispensed

·         compromised quality of liquids dispensed

·         frequent clogging of your dispenser’s various components

So, make sure your system is not falling into disrepair. Here are four signs that you need to replace your liquid dispensing unit or at least have an expert come over and check it out.

1.    It’s consistently releasing inconsistent liquids.

Pay attention to the consistency of the liquids dispensed by your unit. If something is off, get in touch with your provider. Have an expert examine your dispenser. If your unit dispenses inconsistent fluids—be it in terms of quantity or quality—despite repairs, then it’s a red flag that something is seriously wrong with your dispensing unit.

2.    Its motor is always running hot.

A warm motor is not uncommon when using your dispenser. An excessively hot motor, however, is not something that you should take lightly. It can be a sign that something is seriously wrong with your liquid dispensing unit. Stop using your unit immediately and call your provider immediately.

3.    You’ve already had it repaired multiple times.

How often do you need to get your system de-clogged? How many times have you had your unit’s dispense valves replaced? How about its other components? Have you ever had the need to have them repaired or replaced before? How many times?

These are the questions you need to ask five years down the line (or so) of acquiring your liquid dispenser. These are also the questions you need to ask if you’ve experienced an alarming amount of issues in a short period of time. Consider your unit’s history carefully. Then, have an expert look over your unit. If the professional predicts issues in the future and recommends upgrades or repairs, it may be more worthwhile to buy a new one.

4.    It has reached the end of its estimated lifespan.

Like any other piece of machinery, dispensing units don’t last forever. High quality liquid dispensers can last 10 to 20 years, depending on their function, model, and frequency of use. Your provider should be able to inform you of your system’s estimated lifespan.

When your unit is a year or two away from its “expiration,” have an expert examine its functionality. Find out if it is still running in top condition. If it is, continue using it but keep an eye on its performance. If it isn’t, then accomplish the necessary repairs or upgrades. It may also be a good idea to start saving for its replacement.

Once it has reached its “expiration period,” it would be best to go shopping for a new one. Don’t wait for your unit to break down.

Keep an eye out for these red flags. And, if you see them, don’t disregard them. Get in touch with your liquid dispensing system’s provider immediately. Have a professional examine your unit and consider his/her findings seriously.

Using the Best Renault Diesel Engine Parts and Other Ways to Stay Safe on the Road

Time is gold and people hate burning daylight because the clock is always ticking and Father Time waits for no man and that is the reason why they want to accomplish as much as they can before the sun goes down each and every day so that they can inch closer to the top of the corporate totem pole without further delays. And that is the reason why instead of battling it out and jockeying for position with thousands of annoyed and disgruntled commuters during the rush hour traffic as well as dealing with different modes of transportation like delayed trains, overcrowded city buses and taxi cabs that charge too much, people are buying their own vehicles so that they can travel in style and safety each and every day. With that said, it is important for these people to buy only Renault diesel engine parts to make sure that their trusty steeds are in great running condition all the time and this goes especially true for busy bees out there who are always on the go because they are running on borrowed time.

When it comes to choosing the ride that will get them to and fro from their point of origin to their final destination, different folks have different strokes and varying preferences that suit their personality, style and needs therefore they always choose a vehicle that is the perfect match for them. There are those who drive around in a brand new and flashy Ferrari or posh Porsche because they want to turn heads around in envy when they zoom through the streets and there are also those who prefer mean motorcycles and Herculean hogs because they want to enjoy the wild wind messing up their hair and the warm sun kissing their tanned skin. And then there are those who choose all-terrain vehicles, four-wheel drives and massive trucks because they want heavy duty performance that will never fail therefore it goes without saying that they buy top of the line Volvo truck parts so that they can work on their mean machines in the garage whenever they have some free time away from their duties and responsibilities in the workplace.

But aside from buying authentic Renault spare parts Singapore and upgrades from trusted suppliers as well as making sure that everything is in great running condition under the hood all the time, people should also drive responsibly whenever they hit the road to avoid accidents that can claim innocent lives in an instant. It goes without saying that they should never get behind the wheel if they are intoxicated or under the influence of prohibited drugs because these substances impair their judgment, slow down their reflexes and make them commit terrible mistakes that can lead to nothing but trouble. 

They should also obey the traffic rules that are put in place by the law to maintain peace and order as well as keep everyone safe and sound all the time and in line with this, they should also follow the orders of traffic enforcers and police officers out there who are always ready to protect and to serve those who are in need. Last but not the least, if they figure into accidents with other motorists for whatever reason, they should remain calm, cool and collected by letting the police officers and insurance companies sort things out instead of letting road rage prevail by getting out of their car and getting into fights because this will solve absolutely nothing at all.

The 5 Most Common Types of Fluid Dispensing Systems

Whether you are running a top-of-the-line biomedical research facility or a conventional manufacturing company, it’s highly likely that you’ll need a liquid dispensing system or two. It’s imperative that you get the one that best suits your needs and purposes.

Getting a fluid dispenser that can’t completely cater to your requirements—be it because of a minor feature or because it’s not compatible with your lineup—can have disastrous effects on your company’s performance. It can mess up or delay your production. It can affect the consistency and properties of your liquids. And, it can damage not only your results/products but also the equipment that works closely with it.  So, make sure you get the right one. Here are the most common types of fluid dispensing systems.

Based on how they dispense liquid:

1.    Pneumatic Dispensers

These systems are designed to release lines or dots of fluids. Pneumatic dispensers are known for their precision, manageability, and affordability. They also don’t require complicated upkeep. Pneumatic dispensers, however, are not compatible for fluids with high viscosity. The risk of contamination is also present due to the nozzle to product contact.

2.    Mechanical Positive Displacement Dispensers

These systems are designed for fluids with varying or fluctuating viscosities. They use a piston or a rod to physically force out liquids from their containers, ensuring a precise and consistent volume release regardless of the liquid’s composition. Due to this, mechanical positive displacement dispensers are more expensive compared to pneumatic dispensers. They also require more maintenance.

Based on how they’re controlled:

3.    Manual Fluid Dispensers

Ideal for tasks that require little or no repetition, manual fluid dispensers are extremely popular in the manufacturing industry. They’re low-maintenance, versatile, convenient, and affordable compared to most other units. And, since they are operated manually, they don’t require electricity to function.

4.    Foot-Operated Dispensers

Also known as foot valve dispensers, these units provide a higher degree of control compared to manual dispensers. They’re mostly used for dispensing various types of sealants and adhesives. As their name implies, foot-operated dispensers are controlled by a foot pedal.

5.    Programmable Fluid Dispensers

Ideal for tasks that require precision and repetition, programmable fluid dispensers are popular in the biochemical industry. They’re efficient and accurate. Most come with digital screens that display everything from vacuum readouts to content pressure. Their programmable feature also means that you’ll have zero liquid waste.

Why do you need a liquid dispensing unit? Consider your reasons and determine which of these types fits your requirement. Consider also whatever equipment you already have that’s going to connect to your dispenser to guarantee compatibility. If you already have a pressure tank, for instance, you can contact pressure tank manufacturers to find out what systems work well with it.

Take note: these are only the most common types of fluid dispensing systems. So, if none of these fit the bill, it doesn’t mean that you can’t get the equipment you need to complete your lineup. Contact a fluid dispenser manufacturer to learn more.

Push the Pedal to the Metal and Enjoy an Awesome Road Trip

It is such a crying shame for people to waste the remaining days of summer vacation because this is the perfect time for them to unburden the heavy load that they carry on their knotted backs and chafing shoulders, forget their troubles and inner turmoil for a little while and allow themselves to enjoy the beauty of the world with the people who matter most in their lives. And that is why there are those who pack up a nice picnic basket, put on some sunscreen lotion and make a beeline for the beach because they want to enjoy all sorts of fun and exciting activities like spearfishing in majestic coral reefs, surfing the high waves crashing on the shore, building enormous sound castles with moats and turrets as well as looking for buried treasure with their metal detectors. They can also pick up equipment from sporting goods stores, replenish their supplies and go camping deep in the woods so that they can unplug from modern technology and reconnect with Mother Nature by roasting marshmallows around the campfire, hunting down different animals and telling scary stories inside their sleeping bags.

                And if they want to take things nice and slow as they go down the scenic route, enjoy their favourite music and reflect about their world and life in general, they can buy Renault spare parts from reputable dealers in Singapore, roll up their sleeves and make the necessary repairs on their mean machine so that they can go on an epic road trip with the rest of the gang. Instead of buying first-class plane tickets from greedy airlines that charge their passengers too much as well as staying in fancy presidential suites in five-star hotels and exclusive resorts, they can just get a full tank of cheap gas, drive around the country and stay in simple bed and breakfast inns so that they can take their sweet time enjoying their trip. It may not be as lavish and luxurious as eating in fine dining restaurants and calling for room service but as long as they are having fun with their friends and family, it is all worth it after everything has been said and done.

                In line with this, aside from ordering Renault parts from Singapore so that they can finally hit the road, push the pedal to the metal and leave their problems in the rear view mirror, people should plan ahead to make sure that they will not have any problems along the way. First and foremost, they should roll up their sleeves and check under the hood to make sure that everything is in perfect working condition from headlights to tailpipe because they do not want to break down and be stranded in the middle of nowhere.

                Aside from bringing extra Volvo truck spare parts in case they need to make a pit stop for emergencies, it is also important for them to bring different kinds of tools that they need to make minor repairs. Last but not the least, they should always be respectful of the people that they meet on the road to avoid unnecessary conflicts and confrontations but at the same time, they should be wary of the people that they meet to avoid becoming victims of criminals prowling the streets.

Check Your Renault Spare Parts

It is that time of the day again when your boss called you to discuss all that you need to do in order for you to finish your task on time.

Well, you take out your notebook and make a list of everything that you need to do and have been told to do. If you work in a construction or if you maintain a certain machinery, you would know how badly it is needed to actually check on them every time. This is because the speed of your work and the quality of your output depends on them all the time.

My Part in the Chain

So, given that you are the machine operator, you know how much a truck is needed in order to move stuff around and about. They are used to carry big loads to and from a particular work site. Not only that, if these trucks work well, you are also assured that you can get to your destinations on time. That is highly important because you would need to respect other people’s time.

You see, we all work in a specific time frame and our dealings with other people produce a rippling effect. One person who becomes late would definitely cause for the others to be late, too. And we don’t want that! Professionalism entails responsibility. Responsibility in checking that everything is set and ready.

What I Need To Do

So, let us go back to the basic: your truck.

We know that there are a lot of suppliers or manufacturers for heavy duty trucks and we also understand that they have always reminded buyers of how to take care of them. These machines need continuous maintenance so they function well every day.

We know that looking for Renault spare parts in Singapore could be a bit difficult as spare parts are also high end. This only means that you cannot just rely on any store to give them to you. As such, be sure you partner with a supplier that is a known legitimate dealer of truck spare parts. And come to think of it, if you find it challenging to replace some truck parts, just also think about getting a legitimate supplier for Volvo truck spare parts. This also goes with your need for Renault parts in Singapore.

Why Is This Important?

So, some people think that maybe they can do away with a substitute. Like, it does not matter what brand of truck they are running. Actually, if you would want to save money, then this could actually work. Moreover, if you are in urgent need then they can already be available. However, you need to consider the risks. The risks would be much more compared to the gains.

You would save money now but since those Renault spare parts in Singapore are not really custom made for your truck, they may not really be able to keep up with your truck demand. So, as a result, they would break faster and then you would need to look for a new piece again.

Source:

The article was originally published in http://www.readanarticle.com.sg/check-your-renault-spare-parts-will-you/.

STAYING SAFE AND SOUND IN THE DANGER ZONES OF CONSTRUCTION SITES

Because nothing will be given to them for free just like that due to the fact that everything has a price tag and people need to prove their worth and earn their keep each and every day, a lot of folks are really hellbent on pushing forward towards the top of their chosen careers. There are those who went to medical school because they want to be respected doctors who are known for their outstanding and exemplary work in hospitals as they help countless patients recover from their diseases and overcome debilitating afflictions. There are also businessmen and captain of industry who think in decimals, dollars and percentages because they want to earn fat stacks of cash and boost the figures in their bank accounts so that they can enjoy the finer things in life.

And then there are the blue-collar workers who spill blood, sweat and tears in their respective professions to make the world a better place in their own humble but important way because they need to make an honest living in order to fulfil their duties and responsibilities to their loved ones and family. This is especially crucial for loving and supportive parents who want to give their young children everything that they want and need in this world because feeding them three times a day, buying them clothes to keep them warm, putting a roof over their heads to keep them safe and sending them to good schools can be quite expensive. Therefore, they push their battered minds and exhausted bodies to the limit because they cannot afford to slow down, take their foot of the gas pedal and coast along lazily due to the fact that they have a lot of concerns on their plate.

But this does not mean that they should take foolish risks and put themselves in harm’s way just to get things done especially when they are using oil absorbent materials, power tools and heavy machinery on the job site because a lot is at stake and they need to play it smart. They need to stay safe each and every day so that they can come home and be with their loved ones when the sun goes down and the first step in doing so is listening to their boss, supervisor and manager as well as following orders down to a tee because they need to follow the rules and regulations all the time.

They should also wear proper safety equipment and protective gear like hard hats, steel-toed boots, googles, harnesses and heavy gloves all the time especially when they are putting on a gasket and handling potentially volatile materials because they never know when tragedy might rear its ugly head and strike without warning. And last but not the least, they should always take advantage of the great opportunity to grow, learn and become more competent in the position that they hold by attending training workshops and safety seminars because this will certainly put everything to perspective and remind them of the fact that life is too precious to take unnecessary risks with very little rewards.

3 Kick-Ass Renault Trucks For Your Freight Needs

A dependable host of cost-effective and fuel-efficient transport solutions, Renault Trucks have an increasing number of loyal followers throughout the years. Those involve in delivery, construction, distribution, and long-distance transport services have trusted different Renault trucks to fulfill freight functions efficiently. These truck models range from huge, sturdy carriers to mid-size, comfortable transport vehicles.

Here are some Renault trucks you can rely on for your hauling needs.

Renault T Range Trucks

The construction industry is in need of strong-built trucks for long or short transport efficiency. The Renault T Range trucks are well-equipped with modern design elements and machinery that effectively function even in extreme conditions.  The modern Euro 6 engines greatly help for fuel savings, and the Optidriver automated gearbox and adept cruise control settings allow the driver to easily ascend and descend slopes and deal with long excursions without a drop of fuel wasted. Safety has always been a priority of Renault Trucks. T Range trucks have a wide-angle mirror on one wing and a standard mirror on the other to eliminate blind spots and work around bumps and obstacles. They also have improved headlights for greater visibility and efficient brake system for optimum safety. Customers are happy with the well laid out cab and good floor for the drivers’ comfort while at work. Renault T Range series was hailed International Truck of the Year in 2015.

Renault Premium Trucks

The Renault Premium trucks have attracted many satisfied customers over the years. Although the truck series has come of age, many people are continuously patronizing it due to its versatility at a very friendly price. It has a wide range of trucks from 18-ton rigid vehicles to fine-specs long-haul cruisers. Drivers love the comfortable driving cab with high air-suspended seat and generous glass window space for a wider view. The clever space interior design allows for convenient storage and easily reachable controls. As a mid-weight distribution truck, it is fuel-efficient and takes cargos for long-distance hauls. Most customers have come to rely on the newer Renault trucks because of the trust they have with Renault Premiums. Loyal users are happy to find genuine Renault spare parts in Singapore to keep their Premium trucks at full performance.

Renault Kerax Trucks

The Renault Kerax is composed of tough-built trucks that can perform well in demanding operating situations. The robust models can carry a load of up to 30 tonnes and those from the 2008 series can efficiently handle on-road and off-road terrains. There were three cab options to choose from, which are Day, Sleeper, and Global cabs. All these types have options for either automatic or manual transmissions. It has a wide range of tractors and axle set-ups to achieve fine performance in construction or demolition projects.

The newer models of Renault Kerax are used as tankers, cement mixers, and also tippers. Some models were even used as support trucks in the military forces.

How to Get Renault Parts in Singapore?

To keep these freight vehicles up and running, you should find a great supplier of genuine Renault truck parts to ensure that you are getting high-quality parts when the need arises. Genuine parts are created with first-rate materials and have undergone careful fitting requirements to guarantee a reliable operation for your trucks. Find a trusted supplier that is authorized to distribute a huge inventory of genuine replacement parts that are also readily available so you have a one-stop source for your maintenance needs.

Different Fluid Dispensing Devices and Systems

When it comes to industrial market, various mechanisms are used in terms of dispensing different kinds of liquid. Usually, industrial manufacturers that deal with electronics, pharmaceutical, cosmetics, foods and chemicals, and other fields normally seek products from a liquid or fluid dispenser. These devices help a lot with regard to dispensing fluid accurately to products that are being manufactured. The amount of the fluid will be measured exactly as what is needed in the production. This is something that can be extremely hard if done manually. With such products, it does not only help automation of the manufacturing process, but also gets the job done a lot easier and more cost efficient over time.

There are many fluid dispensing manufacturing companies that offer various dispensing system that deal with different kinds of fluid. Here are some examples of available products:

Plunger pump

Just as the name suggests, it uses a plunging approach in terms of dispensing fluid. They are normally designed to dispense materials that are low or high in viscosity, simply the state of a fluid being thick, such as adhesives, glues, paints, and other kinds of materials. They come with controllers where the pressure can adjusted depending on the material that is dispensed.

Dispenser valve

Valves are used a lot specially in dispensing low viscosity materials. Although there are some that can actually be used for materials that are thick, different kinds of dispensing valve can be used depending on the viscosity of the fluid and material pressure. In addition to that, different shot sizes are available as well. The right kind of dispenser valve must be used to achieve precision in dispensing.

Barrel dispensing system

The perfect dispensing system for applications that would require very small volume since it can be controlled and set to 0.0001cc per shot. This is very accurate as well and can be used together with a controller that has a vacuum to avoid dripping or leakage of the fluid at the tip of the needle.

Desktop dispensing robot

This is probably the most accurate dispensing system available in the market. The reason behind it is because it is normally operated or controlled using a desktop computer. It can also be pre-programmed depending on the type of application. It comes with a user friendly software that is used to control it. This is system is ideal for circuit boards, lead wires, and quad flat packages.

There are many other types of fluid dispensing systems and products that can be useful for different industrial uses. If you happen to need one, it is best for you to research what will be the best type of liquid dispensing system you should get depending on your use. You should also consider the kind of material you will be dispensing.

You can look other types of dispensers online and you can even find demo videos of these systems where you can actually see how it looks, how it is controlled, and the actual way it works for you to see if it is just what you need.

How Do They Do It?

We often wonder how things are made. From the things we use in our homes to the things we wear, how are these things made? It may look easy from the television when we watch it, but these are all coordinated. The things that manufacturers use are not just mere equipment, but it is highly maintained and well thought of. They make sure that what they use is appropriate and exact in its terms and according to its use. Even in the pharmaceutical industry, they use tools to determine the accurate measurement of the contents of the medicine.

The manufacturing world is not complicated as we hear how they do it. They have a coordinated machine that can determine the contents of the materials being used. The working place must be clean so that even the tiniest dirt may not contaminate the products. Particle counter is often used in manufacturing business.  Particle counter is an instrument that detects and counts physical particles.  It may be classified into, aerosol particle counter, liquid particle counter and solid particle counter.  An aerosol particle counter is used to determine the air quality. It is often useful in determining the amount of particle inside a building and even useful in maintaining the cleanliness level of a controlled working environment. Liquid particle counter is used to determine the quality of water or fluid. It is used to determine the cleanliness of hydraulic fluids and other various other systems such as engines, gears and compressors. It is also used in testing the quality of drinking water. Solid particle counters are used to measure dry particles for various industrial applications. This is often used in mining and quarrying industries.

Another tool that is used is the mass flow meter. A mass flow meter is a device that is used to measure mass flow rate of a fluid travelling in tubes.  Mass flow meter measures mass per unit time flowing through the device. This is often used in almost food industry, clothing and water industry. It helps them to get an accurate measurement of the desired product.  When the industry involves liquid products, they often use water quality monitoring.  A water quality monitoring is useful in measuring the amount of liquid or water, whether it is contaminated or not. Liquid particle counter is associated with water quality monitoring because they measure the quality of drinking water.

With all these tools and equipment, the manufacturing industries are well coordinated. The tools are controlled by machines that are operated by expert employees. Industries around the world use certain equipment to maintain the cleanliness and accuracy of the desired product. Especially in the food and pharmaceutical industries, they have to maintain a clean and tidy working environment. With just a little malfunction in the equipment will cause the industry its fallback. The tools they use are more likely to help in making a good product. With the help of this equipment the manufacturing industries are assured that the products they produce are of high quality. 

Get Yourself a Supplier of Nissan Truck Parts

We know that each of us is always expected to produce great outputs. That means that we would need to work as efficiently and effectively as possible. Thus, we would need to pay attention to the basics. And what are those? If you are working on a project, that means listening to the specifications given to you, next would be doing your bets to deliver that.

How Do I Do Well?

Now the question you would need to ask is why you actually need to do your best at stuff. Like, we understand that safety should be there but why really produce great outputs?

First, any project comes along with your name. This means that whatever output you give to your clients, they would associate you with it. Given this, if you would want them to trust you and go back to you every time, you need to give them quality service. Quality means a job that is delivered on time and with minimal errors. Or it is better if there is none at all.

Second, a good output would mean better maintained machinery. So, how many of us are actually working as operators of certain machineries or trucks? If you work in this industry, then you are expected to have good working machines. Of course, having them would mean job done on time and even having a safety environment.

While we understand that getting supplies for Nissan truck parts in Singapore as well as for a Renault diesel powered engine parts could be a bit challenging, you would need to commit to partnering with a legit supplier just so you can be assured of good working tools, right?

Add to that a supplier for your Renault spare parts. In Singapore, construction is rampant so that means you would need to keep up and even reserve for your orders.

Third, if you have a real good machineries and trucks that can really help you work on time and fast, then you can be able to get your client's trust. You need to remember this: getting your client’s trust is like gaining a lifetime pool of business opportunity.

How Do They Make Me Grow?

We have mentioned that clients expect work to happen on time and they also would want you to give a good one. Now, if they are given a good output, they would definitely come back to you for other projects. Not just that, they are really satisfied, they would even definitely recommend you to their friends.

So, if you would really want people to spread good news about you, you need to give them good products or services. Not just that, be sure that you are also knowledgeable with what you do so as if they ask questions, you can answer them well. If they would see that you are good and that you can provide them with good assistance, then they would definitely keep doing business with you. If your business grows, that would mean more opportunity to meet other people.

Given all this, what we can say is this: sometimes, good work all comes down to your trucks. So, this means you better get them working!

What is Air Particle Counter?

How many of us understands technology? Well that actually depends on the type of technology we are handling, right? We can all agree that for most of us, our idea of technology is surrounding computers, the Internet, and the next best game app and consoles. However, for some people, technology involves machineries and other process that can improve the quality of living.

All right, before you actually freak out about the idea, just take this into consideration, how many of us totally understands how we are able to live carelessly and safely? Like, is everything we have simple? Do we take in air and be healthy just like that?

Well, how about if we tell you that there are professions that look into the details of the basic stuff—too basic we almost do not pay attention or notice them—to understand how they work?

Stuff like what? How about if we tell you that there are professionals that look into the components of natural stuff like water and air to understand how they work and what comprises it?

So We Study Air?

We are all aware from our elementary classes that we study everything in earth. So, that means and confirms that there are people who look at the different particles in the air just to look at its quality. Moreover, if you haven’t heard, then let this be like an air particle counter 101.

In case you haven’t been introduced to the idea, there is such a tool called particle counters. In Singapore there are companies that specialize on them. In fact, they have also invented liquid particle counter. Calibration of these tools are involved in good service as well.  If you do search online for a company that produces different tools needed for industries that cater to understanding different matters such as metal, liquid, and gas, then you would be lucky to find out that they do have machineries for these areas or fields of work most of us probably have not heard of.

What is this?

So, before you get too overwhelmed, let us define what these counters are.

As mentioned, there are tools involved in counting particles in liquid or air. We are not going to be too technical about it but here is how it works:  as the matter pass through a chamber—just think if it as the machine—light is used in order to focus on the different particles on them. We are talking about particles on a cell here so this is a really technical process.

What happens is they are recorded via computer and then the images are analyzed. This process makes use of high definition camera in order to clearly detect particles. This is an important job as this will help determine if there are any harmful chemical contamination in a sample. And if there is, then the necessary cleaning or sanitation must be done. However, do not think of it is as a really easy job. Machines used need to undergo a lot of checking, too. The company performing and selling the counters would have to secure licenses and other government permits, too.

Source: http://allaboutindustry.strikingly.com/blog/what-is-air-particle-counter