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.
