Overview
The Micronta 22-208A is a classic analog multimeter manufactured by Radio Shack/Micronta, representing the reliable test equipment of the 1960s–1970s era. This 28-range FET VOM (Volt-Ohm-Milliliter) combines field-effect transistor technology with an intuitive analog display, making it ideal for technicians, hobbyists, and maintenance personnel who need proven, straightforward electrical testing.
Key Features
- 28 measurement ranges for comprehensive electrical testing
- Field-effect transistor (FET) input stage for high input impedance (10 megohms on DC voltage)
- Analog meter face with mirrored scale for accurate, glare-free readings
- Measures AC/DC voltage, DC current, and resistance
- Durable handheld design with protective circuit and probe leads included
- Dual-battery system: 1.5V C-cell and 9V PP3 battery for versatile operation
Technical Specifications
- Model: Micronta 22-208A
- Type: Analog FET Multimeter (VOM)
- Measurement Ranges: 28 ranges
- Input Impedance: 10 megohms DC voltage ranges
- Display: Analog needle meter with color-coded scale
- Test Functions: AC voltage, DC voltage, DC current, resistance, continuity
- Power Supply: 1.5V C-cell battery + 9V PP3 battery
- Manufacturer: Radio Shack / Micronta
- Origin: Korea (vintage, circa 1968–1970s)
- Included: Test leads, instruction manual (where available)
Typical Applications
- General electrical troubleshooting and diagnostics
- Continuity testing and component verification
- Voltage and current measurements in industrial maintenance
- Educational electronics testing and student lab work
- Vintage electronics repair and restoration
- Collector-grade test equipment for analog instrument enthusiasts
Compatibility & Replacements
Compatible With
- Standard electrical circuits and systems requiring analog multimetry
- Electronics bench and field service toolkits
- Industrial control panels and low-voltage equipment testing
- Vintage test equipment and instrument collections
Replaces / Drop-In Replacement For
- Other Micronta FET VOMs in the 22-20x series (verify model-specific compatibility)
- Simpson 270 and similar analog VOMs of comparable range and impedance
- Replacement for legacy Radio Shack analog multimeters from the 1960s–1980s
Works With
- Standard test lead connectors (banana plug compatible)
- Any electrical system requiring DC/AC voltage, current, or resistance measurement
- Analog measurement workflows (no digital display or software required)
