A charged device model (CDM) test is used to define the ESD a device can withstand when the device itself has an electrostatic charge and discharges due to metal contact. This discharge type is the most common type of ESD in electronic devices and causes most of the ESD damages in their manufacturing.
There are 2,000 pounds in one ton. Tons and pounds are both units of measurement that describe mass.
See tonnage. short ton (usually called simply ton, in the USA or sometimes called a net ton) = 2,000 lb (about 907.18474 kg). Harbour ton used in South Africa in the 20th century, equal to 2000 pounds or one short ton. metric ton, usually referred to as a tonne, is 1,000 kg (or 1 Mg) or approximately 2,204.6 pounds. Both the long ton and the short ton are composed of twenty hundredweights, each having different values for the hundredweight (112 and 100 pounds respectively).