Description
Keithley 502A Milliohmmeter Vintage Portable Resistance Meter Tester A.39. Model 502A. Portable carry handle attached. Resistance range selector knob present. Instruction panel mounted inside lid. Approximate Production Period: 1960s–1970s. Item Specifics. Country of Manufacture: United States. 🇺🇸 U.S. BUYERS – NO EXTRA FEES No customs duties • No import fees • No hidden charges OLD TIME GOOD TIME Vintage Electronics • Test Equipment • Estate Finds Carefully packed and shipped from Canada Keithley 502A Vintage Portable Milliohmmeter FAIR OFFERS ARE WELCOME Description This item comes from a large estate collection of an engineer consisting of well-kept laboratory, RF, communications, and electronic test equipment collected over many years. Vintage Keithley Instruments Model 502A portable milliohmmeter with analog meter display, internal accessory storage compartment, and original test leads. Features include analog resistance measurement, portable carry handle, range selector controls, operate switch, internal storage compartment, and multiple probe accessories. Suitable for collectors, restoration projects, laboratory display, vintage electronic test equipment collections, or parts use. Condition Description Used vintage condition with cosmetic wear from age and storage including scratches, finish wear, discoloration, and handling marks. Meter face, selector controls, switches, leads, clips, connectors, and visible components appear present unless noted otherwise. Untested and working condition unknown. Sold as shown, as-is, for parts, repair, calibration, restoration, display, or collection purposes. Item Specifics Brand Keithley Instruments Model 502A MPN 502A Type Milliohmmeter Features Analog Meter Display, Portable Carry Handle, Internal Storage, Test Leads Country/Region of Manufacture United States Vintage Yes Condition Used / Untested / As-Is Technical Information Function: Low Resistance Measurement Application: Laboratory Testing / Electrical Measurement / Electronic Service Work Technology: Analog Electronic Test Equipment Measurement Type: Resistance / Milliohm Testing Controls Visible: Range Selector, Zero Adjust, Operate Switch Connections Visible: Test Lead Inputs, Probe Connections, Accessory Leads Origin Country of Manufacture: United States Era: Vintage Laboratory Test Equipment Approximate Production Period: 1960s–1970s Source/Confidence: Approximate based on Keithley 502A design characteristics and instrument style Physical Details Weight: Approx. 9 lbs Construction: Portable Metal Instrument Case Color: Gray / Black Dimensions: Not included unless measured Visible Features & Observations Front panel marked “502A Milliohmmeter” Keithley Instruments branding visible Large analog meter display present Portable carry handle attached Internal accessory compartment present Includes multiple original test leads and clips Probe and cable accessories visible Resistance range selector knob present Operate switch visible Instruction panel mounted inside lid Cosmetic scratches, finish wear, and storage marks visible Untested condition Shipping This item will be carefully packed and securely protected for shipment. Extra care is taken when packaging vintage electronic and laboratory instruments to help ensure safe delivery. Worldwide shipping available from Canada. Store Notes OLD TIME GOOD TIME specializes in vintage electronics, laboratory instruments, radio equipment, collectibles, and estate finds. This item comes from a large estate collection of an engineer consisting of well-kept laboratory, RF, communications, and electronic test equipment collected and stored over many years. Most items come from private collections, workshops, laboratories, and long-term storage. Unless stated otherwise, vintage electronic equipment may require cleaning, calibration, servicing, repair, or restoration due to age. Important Information Please review all photos carefully as they are part of the description. This item is sold as-is with no returns.