描述:
Basic Specification
| 比例尺类型 | mechanical body scale |
|---|---|
| color | black and silver |
| 容量 | 160公斤 |
| grad | 1kg |
| Temperature Display | Other |
| 颜色 | Black |
| 平台material | Metal |
| 是否有配件 | 不 |
| 功能 | Other |
| 比例尺类型 | mechanical |
| Material | Metal |
| 容量 | 公斤 |
| 身体材料 | Metal |
Mechanical Bathroom Scale (orweigh scales或者秤) are devices to measureweight。Spring balances或者春季calculateweightthat is the product of mass into gravity (9.807 m/s2) on the force on a spring, whereas a balance or pair of scales using a balance beam compares masses by balancing the weight due to the mass of an object against the weight of one or more known masses. Some of them can be calibrated to read in units of force (weight) such asnewtons而不是质量单位kilograms。使用传统平衡梁以比较质量的平衡或一对鳞片，即使移动到具有不同的非零重力场强度的地方，也可以正确读取质量。同样，考虑到重量的读数（力）设计的弹簧平衡，将正确读取在不同的非零引力场强度中的重量。
尺度和余额广泛用于商业，因为许多产品都是通过质量出售和包装的。
尽管可追溯到1700年代的记录是指测量质量的弹簧尺度，但这种设备的最早设计的历史可追溯至1770年，并归功于早期制造商理查德·萨尔特（Richard Salter）。[1]1840年后，R。W。Winfield开发了用于称重字母和包裹的烛台，春季尺度在英国的使用范围广泛。Uniform Penny Post。[2]Postal workers could work more quickly with spring scales than balance scales because they could be read instantaneously and did not have to be carefully balanced with each measurement.
By the 1940s various electronic devices were being attached to these designs to make readings more accurate.[1][3]Load cells, small nodes that convert pressure (or force) to a digital signal, have their beginnings as early as the late nineteenth century, but it was not until the late twentieth century that they became accurate enough for widespread usage.[4]
机械尺度[edit]
A mechanical scale or balance is used to describe a weighing device that is used to measure the mass, force exertion, tension and resistance of an object without the need of a power supply. Types of mechanical scale include spring scales, hanging scales,triple beam balancesand force gauges.
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