Keithley Instruments manufactures Digital Millimeter with 10 Channel Scanner Option. Keithley Instruments is an ISO 9001:2000 ISO 14001 and ISO 17025 certified company. Digital Millimeter with 10 Channel Scanner Option is available with broad range of built-in measurement functions. Digital Millimeter with 10 Channel Scanner Option comes in two models, available with 7-1/2 and 8-1/2 digit resolution.