Radio Shack 24 Range Digital Multimeter 22-805 Manual Extra Quality May 2026

The Ultimate Guide to the Radio Shack 24 Range Digital Multimeter (22-805): Manual, Usage, and Troubleshooting

Conclusion

• Display: 3.5-digit LCD, maximum reading of 1999
• Max Voltage (DC): 1000V
• Max Voltage (AC): 750V
• Max Resistance: 2000 kΩ (2 MΩ)
• Max Current: 10A (separate high-amperage jack)
• Diode Test: Yes
• Battery Test: 1.5V and 9V functions
• Power Source: 9V battery (6F22 or equivalent)
• Fuses: 200mA/250V (fast-blow) and 10A/250V (fast-blow)

• Limited accuracy and resolution compared to mid/advanced DMMs.
• Not true-RMS for AC; poor for non-sinusoidal signals.
• Moderate build quality and likely low CAT safety rating—avoid risky mains diagnostics.
• Basic manual; limited advanced guidance.

PC Interface

: Allows connection to a computer using supplied software for data logging and graphing. Data Hold : Freezes the current reading on the display.

Important:

Turn off all power to the circuit and discharge any capacitors before testing. Set the selector dial to the Ω (Ohm) position. radio shack 24 range digital multimeter 22-805 manual