The USS-DBS27 Digital Analytical Balance Scales allows the user to measure weights that range up to 200g, with the precision of 0.1mg. It is fully electronic and it allows the user to read the measure from the LCD screen that has a convenient blue backlight. You can also switch between units; so if the metric system is not right for you, you can choose ounces or carats as measuring units. It has a RS-232 interface for linking your computer to it to allow serial data exchange between them.
Specifications
Capacity: 10mg-200g (Min. Weight: 10mg, Max. Weight: 220g)
Three different units of measure: g, ct, oz
Readability: 0.1mg
Repeatability: ±0.2mg
Linearity: ±0.3mg
Output Interface: RS-232C