This is a Sears Allstate Super Automotive Analyzer (Model No. 2110), a vintage diagnostic tool sold by Sears, Roebuck and Co. during the mid-20th century.It was designed for comprehensive engine tuning and electrical troubleshooting on older vehicles, typically those with points-style ignition systems.Key FunctionsVoltmeter: Measures 16-volt and 3-volt ranges for testing battery and charging systems.Ammeter: Measures current flow (requires shunt leads for high-amp readings).Dwell Meter: Measures the degrees of distributor rotation while the points are closed.Tachometer: Tracks engine speed in Low and High RPM ranges.Specialty Tests: Includes scales for spark output, condenser resistance, coil resistance, and standard ohms.
