Shopping on line can be easy, simple and save you lots of money. It can also take a lot of your time, frustrate you, and result in unwanted purchases. Now the same can be said for regular high street shopping, but with the vast opportunity presented by the Internet it will pay you to spend a few minutes reading this and understanding how to better optimize your Gas Pump shopping experience:
1. Compare - without doubt the biggest advantage that the Gas Pump offers shoppers today is the ability to compare thousands of Gas Pump at a time. This is a great thing, but not necessarily all the time! Too much can be daunting at times so take advantage of the great comparison sites and where possible let them do the hard work for you.
2. Research - if it has been said it will be on the internet. Ignorance is no longer a justifiable reason for buying the wrong thing. Take the time to research in detail everything that you could possible want to know about
3. Testimonials - don't know anybody that has bought a Gas Pump? Wrong! If the Gas Pump is good the internet will let you know. Use the Internet as a friend and get testimonials before you buy.
4. Questions - Got a question about Gas Pump then search the Forums, FAQ's, Blogs etc. Don't be afraid to ask .....
5. Reputation - Never heard of the company selling Gas Pump? Don't worry, no reason why you should know every company in the world, but you know someone that does! Use the internet to find out what people are saying about Gas Pump and build up a picture of their reputation for sales, returns, customer service, delivery etc.
6. Returns - still worried that even after all of the above your Gas Pump wont be what you want? Check out the returns policy. There is so much competition now that someone, somewhere is bound to offer the terms that you are comfortable with.
7. Feedback - happy with your Gas Pump then let people know, after all you are depending on others people input in your buying decision, so why not give a little back.
8. Security - check for the yellow padlock on the Gas Pump site before you buy, and the s after http:/ /i.e. https:// = a secure site
9. Contact - got a question about Gas Pump, or want to leave a comment then check out the sites contact page. Reputable companies have them and respond.
10. Payment - ready to pay for your Gas Pump, then use your credit card or PayPal! Be aware of companies that don't accept them, there may be genuine reasons but given the huge amount of choice you have when buying online there is no reason at all not to buy via credit card or PayPal.
A
Gasoline pump is a machine at a
Filling station that is used to put gasoline in vehicles. Gas pumps are also known as
petrol pumps,
fuel dispensers or (in
Australian usage)
petrol bowsers.
Structure
Older gas pumps have reeled meters (moving wheels with numbers on the side), which are physically connected to a turbine in the fuel flow.
A modern gas pump consists of two main parts: an electronic "head" containing an
embedded computer to control the action of the pump, drive the pump's displays, and communicate to an indoor sales system; and secondly, a mechanical section containing an electric pump and valves to physically pump the fuel. Fuel flow is measured by one or more rotary encoders which generate electrical pulses. In some cases the actual pump may be sealed and immersed inside the fuel tanks on a site, in which case it is known as a
submersible pump.
Safety, Environmental and Regulations
Since gas pumps are the focal point of distributing fuel to the general public, and fuel is a hazardous substance, they are subject to stringent requirements regarding safety, accuracy and security. The exact details differ between countries and can depend to some extent on politics. For example in countries fighting corruption, gas pumps may be more stringently monitored by government officials, in order to detect attempts to defraud customers.
A modern gas pump will often contain control equipment for the
vapor recovery system, which prevents gasoline vapor from escaping to the air.
Typically, individual pumps must be certified for operation after installation by a government weights and measures inspector, who tests that the pump displays the same amount that it dispenses.
Manufacturers
Gas pumps are made by many different companies throughout the world. In earlier decades, it was common for each country to have several competing manufacturers, but much consolidation and globalisation has occurred in this industry, so that many formerly well-known names such as Schlumberger and EIN no longer exist as independent companies. Three of the largest remaining manufacturers are Tokheim, Gilbarco-Veeder Root, and Dresser Wayne.
Variations
image:Gas-pump-Indiana-USA.jpg, United States during the price spike in the wake of
Hurricane Katrina.
In modern pumps the major variations are in the number of hoses or grades they can dispense, the physical shape, and the addition of extra devices such as Filling station#Payment methods devices and attendant "tag" readers.
In some countries, pumps are able to mix two grades of fuel together before dispensing; this is referred to blending. Typical usages are to add oil to petrol for
two-stroke cycle motorcycles, or to produce an intermediate octane rating from separate high and low octane fuels.
Communication with gas pumps
While the behaviour and design of pumps is very similar across the world, communicating with them from a
point of sale or other controller varies widely, using a variety of both hardware (RS-485,
RS-422,
current loop, and others) and proprietary software protocols.
In western societies automation is now a standard part of service stations, and therefore this small but critical variation prevents easily changing between different brands of pump. Traditionally this gave pump manufacturers a natural tie-in for their own point-of-sale systems, since only they understood the protocols.
An effort to standardise this in the 1990s resulted in the
IFSF, which has had considerable success in Europe and the US, but has less presence elsewhere.
Pictures
Image:MobilgasPumpsAntique09162007.JPG|Antique "Mobilgas" pumps (U.S.)Image:Abandoned gas station Melvin Illinois pump only.jpg|Abandoned gas pump
External links
- How does a gas pump know to shut itself off?
A
Gasoline pump is a machine at a Filling station that is used to put
gasoline in vehicles. Gas pumps are also known as
petrol pumps,
fuel dispensers or (in
Australian usage)
petrol bowsers.
Structure
Older gas pumps have reeled meters (moving wheels with numbers on the side), which are physically connected to a turbine in the fuel flow.
A modern gas pump consists of two main parts: an electronic "head" containing an
embedded computer to control the action of the pump, drive the pump's displays, and communicate to an indoor sales system; and secondly, a mechanical section containing an electric pump and valves to physically pump the fuel. Fuel flow is measured by one or more
rotary encoders which generate electrical pulses. In some cases the actual pump may be sealed and immersed inside the fuel tanks on a site, in which case it is known as a
submersible pump.
Safety, Environmental and Regulations
Since gas pumps are the focal point of distributing fuel to the general public, and fuel is a hazardous substance, they are subject to stringent requirements regarding safety, accuracy and security. The exact details differ between countries and can depend to some extent on politics. For example in countries fighting corruption, gas pumps may be more stringently monitored by government officials, in order to detect attempts to defraud customers.
A modern gas pump will often contain control equipment for the
vapor recovery system, which prevents gasoline vapor from escaping to the air.
Typically, individual pumps must be certified for operation after installation by a government weights and measures inspector, who tests that the pump displays the same amount that it dispenses.
Manufacturers
Gas pumps are made by many different companies throughout the world. In earlier decades, it was common for each country to have several competing manufacturers, but much consolidation and globalisation has occurred in this industry, so that many formerly well-known names such as Schlumberger and EIN no longer exist as independent companies. Three of the largest remaining manufacturers are Tokheim, Gilbarco-Veeder Root, and Dresser Wayne.
Variations
image:Gas-pump-Indiana-USA.jpg,
United States during the price spike in the wake of
Hurricane Katrina.
In modern pumps the major variations are in the number of hoses or grades they can dispense, the physical shape, and the addition of extra devices such as
Filling station#Payment methods devices and attendant "tag" readers.
In some countries, pumps are able to mix two grades of fuel together before dispensing; this is referred to blending. Typical usages are to add oil to petrol for two-stroke cycle motorcycles, or to produce an intermediate octane rating from separate high and low octane fuels.
Communication with gas pumps
While the behaviour and design of pumps is very similar across the world, communicating with them from a
point of sale or other controller varies widely, using a variety of both hardware (RS-485, RS-422, current loop, and others) and proprietary software protocols.
In western societies automation is now a standard part of service stations, and therefore this small but critical variation prevents easily changing between different brands of pump. Traditionally this gave pump manufacturers a natural tie-in for their own point-of-sale systems, since only they understood the protocols.
An effort to standardise this in the 1990s resulted in the IFSF, which has had considerable success in Europe and the US, but has less presence elsewhere.
Pictures
Image:MobilgasPumpsAntique09162007.JPG|Antique "Mobilgas" pumps (U.S.)Image:Abandoned gas station Melvin Illinois pump only.jpg|Abandoned gas pump
External links
- How does a gas pump know to shut itself off?
Gas pump - Wikipedia, the free encyclopedia
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