|Credit cards are accepted for service on balances and scales through Mettler-Toledo. Mark prefers to visit campus during the summer months of June, July, and August while the students are gone but he will come any time of the year. The service/calibration consists of linearity, corner-load, calibration adjustments, and the balance housing will be cleaned. Any repairs to broken balances will have additional charges for parts and labor, with a quote to be provided before any work is done. Also, this service is not exclusive to Mettler-Toledo balances; Mark can do routine service on any brand or make of balance.