សៀវភៅណែនាំ និងការណែនាំអ្នកប្រើប្រាស់ 539C

Hickok Electrical Instrument 539C Tube Tester Specifications Manufacturer: Hickok Electrical Instrument Company Model: 539C Measures: Mutual Conductance (Transconductance) of vacuum tubes Meters: Three meters for accurate testing AC Voltmeter range: Standardized voltages to the tube's base DC Voltmeter range: 0-10,…

Hickok 539C Tube Tester Product Usage Instructions The calibration procedure is to apply a known AC current to the plate circuit to see whether the meter agrees. The first step is to find the normal grid-signal voltage. Set up your…