Micronta Multimeter 22 212 User Manual May 2026

The Micronta 22-212 is a manual-ranging device with a sensitivity of . DC Voltage Ranges: 15V, 150V, 1000V. AC Voltage Ranges: 15V, 150V, 1000V. DC Current Range: Up to 150mA.

Cons

| Problem | Likely Cause (per manual) | Solution | | :--- | :--- | :--- | | No reading on any range | Dead internal fuse (0.5A, 250V, fast-blow) | Replace fuse. Access via back cover. | | Ohms function won't zero | Low batteries (1.5V or 9V) | Replace both batteries. | | Needle sticks or moves sluggishly | Debris in movement or mechanical damage | Service by qualified technician only. | | Inaccurate DC voltage readings | Worn test leads or internal calibration drift | Clean leads. For calibration, return to RadioShack (not possible now—seek vintage calibration guide). | | AC voltage reads on DC scale | Incorrect switch setting | Ensure function switch is on ACV, not DCV. | micronta multimeter 22 212 user manual

is a vintage analog multitester originally sold through Radio Shack . Known for its compact "pocket" size, it is a manual-ranging tool designed for basic electrical testing including voltage, current, and resistance. The Micronta 22-212 is a manual-ranging device with

: Today, these meters are celebrated as "Oldie but Goodie" tools. Many are still operational after 40+ years, often needing only a fresh 1.5V "AA" battery and a quick cleaning of the test leads with emery cloth to remove decades of corrosion. Core Specifications from the Manual DC Current Range: Up to 150mA

The Micronta 22-212 is a vintage 8-range analog multitester originally sold through Radio Shack. Known for its durable handheld design and simplicity, it remains a popular tool for hobbyists and collectors who prefer analog needle movements for tracking fluctuating signals.