USPS PS-100 and PS-105 Postal Scale Review

Standing in line at the post office waiting to get your mail weighed takes a lot of time, and time is money. Investing in a postal scale, prefferably a digital postal scale, will save you money in the future. For smaller packages up to 10 pounds, some of the best scales are USPS PS-100 and PS-105.
The PS-100 Desk Top Postal scale offers weighing range from 0.1 oz to 10 pounds in 0.1 oz steps. You can choose between different weight displays: ounces. pounds and ounces and grams. Selecting different display modes is easily done by a simple button press.
Oversized objects that cover the screen can be still measured by using a hold feature of the digital scale. Just press the HOLD button after you put the package on the scale and it settles. After the button is pressed, the value on the display will remain frozen so you can read it after the removal of the package. Flip-up easel on the top enables easier weighing of loose objects such as tubes.
The display is large, easy to read LCD screen 1.3 inches across diagonal. To preserve power, scale is equipped with an auto turn-off function that turns it off when not in use. This digital scale can be powered by an included AC adapter, or by three AA batteries.
There's not much difference between PS-105 and PS-100. The difference is that this scale can weigh objects in range 0-5 pounds. It also doesn't have AC power source, it can only be powered by 3 AA batteries.
Keep in mind that both USPS scales are meant for lightweight operation only, do not exceed recommended weight values because there's a possibility of damage to scale's mechanism.

Digital Scale Technology

Measuring weight in modern times is usually accomplished by the help of digital scales. These scales can measure a very wide range of weights, going from very light (about 0.1oz) to very heavy objects. The technology behind digital scales is based on the load cells, which can sense pressure applied to them, in this case caused by the weight of a measured object. This information about the measured weight is carried by a digital signal.

Todays market offers different brands, models, shapes and sizes of digital scales. The accessories that normally come with digital scales are calibration weights, additional trays and AC adaptors. A nice and easy to use reference manual is a common addition with the scale. With different models come various prices and build qualitites.

Mechanical scales are surpassed by digital scales in several areas. Mechanical scales are usually less acurate and reliable than the digital ones. Some of them can even fit in a pocket, as their size can be really small. Is much harder to make a mistake in measurement when using a digital scale. Many electronic scales offer a way to connect them to an accounting system or a computer. This way they can be used for a wide range of applications, such as automatic calculation of the postage for postal scales, and even label creation and printing. All these extra features can make a digital scale much more expensive than mechanical one.

Digital display is also one of the important features of a digital scale. The readability of the display can depend upon several elements, such as LCD matrix quality, display size, backlight type and digit readout.

Consistency in weighing is another characteristic of a good digital scale. Protection against overload and eventual malfunction of the scale should be present. Other parameters that determine the quality of a scale are weight capacity, precision and accuracy.

Digital scales can be used in industry, warehouses, laboratories, medical fields and homes. Some of the most often used types of scales are bathroom scale, kitchen scale, postage scale and floor scale.

For people that ship packages every day, a postal scale is a must have. To find out more about digital postal scale, check out our site, where you'll find useful information and great deals, such as this USPS postal scale.