Interface for detection and control of multiple test probes
Latching relay circuits and analog to digital converters
Linear alternating current interface for electronic meters
Long scale display
Measuring device with variable color background
Measuring device with variable color display
Measuring instrument with digital parameter control
Measuring range adapter
Measuring symbol driving circuit for a digital multimeter
Meter box assembly
Meter system for indicating a plurality of variables with a sing
Method and apparatus for converting a conventional DC multimeter
Method and apparatus for driving an air core gage
Method and apparatus for multiple rate metering of electrical en
Method and apparatus for tone controlled variable sensitivity ti
Method for measuring various measurable variables, and multimete
Microamp measurement for two-terminal digital meter
Microprocessor based energy consumption meter
Mode selectable interface circuit for an air core gage controlle
Modular metering instrument including multiple sensing probes