Valley Microscope services all makes and models of microscopes, balances & hot plates. A minimum of 20 pieces of equipment is required for on site service. This does not apply if you qualify under a pre-arranged service contract. For repairs of 19 units or less please send your equipment to our Service Department or request on site work but expect a travel charge. An estimate will be provided before any work is done. Contact a qualified service tech directly: service@valleymicroscope.com