- Appropriate dimensions make the scale convenient when brewing coffee with filter methods, yet it is perfectly handy. Its backlit green LCD display is easy to read and, depending on your preference, it may display the weight in grams, ounces, troy ounces, pennyweight unit, grans or carats. The tray is made of stainless steel. Its four buttons allow for easy operation. The set includes two plastic casings – for the whole scale and the tray itself. Weighing tray dimensions: 100 x 100 mm. Maximum weight 2000g, accuracy: 0.1g. Power supply: 2 x AAA battery (included)..