Microbalances are analytical balances with extreme sensitivity. They have a readability of in the order of magnitude of micrograms. In addition to microbalances, there are semi-microbalances, which have readability in the tens of micrograms, and ultra-microbalances, which have readability in the hundreds of nanograms.
Laboratory Supply Network has a broad selection of microbalances from leading manufacturers such as Sartorius, Ohaus, and Radwag. See our full line below, and witness first hand the "microbalance" vs. "micro balance" debate!