Range Digital Multimeter 22-805 Manual Upd - Radio Shack 24

Without the 22-805 manual, you will eventually blow the internal 500mA fuse. It’s a rite of passage. But here is what the yellow-and-black stapled booklet tells you that the internet forgets:

For unknown voltage, start at 1000V DC and work down.

The 22-805 uses two fuses for overcurrent protection: an 800mA/250V 5x20mm fuse for the low-current mA ranges, and a 20A/250V 6x30mm (super fast-blow) fuse for the high-current 20A range. Always replace a blown fuse with one of the exact same type and rating.

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The large central rotary dial used to select the desired measurement type (Volts, Ohms, Amps) and the specific range.

measure voltage higher than 500V DC/AC on the 200mV or 2V ranges.

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Before diving into the functionalities, the manual emphasizes the importance of safety. It provides guidelines on how to avoid electric shocks, damage to the multimeter, and other safety hazards.

Move the red lead to the 10A MAX jack. Set the rotary switch to the 10A position. Limit high-current testing to less than 10 seconds per minute to prevent overheating. 🔧 Maintenance and Troubleshooting Battery Replacement

Operating the 22-805 safely requires knowing where to plug your test leads. The 22-805 uses two fuses for overcurrent protection:

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Measurement & Performance

Replace the exhausted 9-volt battery with a fresh alkaline battery. Snap the case back together securely before operating. Fuse Replacement