On Balance Envy coffee scales
A good set of accurate scales is essential for good coffee making. The On Balance Envy are an excellent entry level set of scales. They are acurate to 0.1 grams and can measure up to a total weight of 2000 grams.
These scales aren't waterproof so should be used with care to avoid water damage (avoid using them on the drip tray of an espresso machine). The Acaia scales are fully waterproof and can be used to weigh espresso on the drip tray of an espresso machine.