Radio Shack 24 Range Digital Multimeter 22-805 Manual Jun 2026
If you've misplaced your manual or are considering purchasing the RadioShack 24 Range Digital Multimeter 22-805, you can usually find the manual online. RadioShack's official website or third-party documentation sites often host downloadable versions of product manuals.
The meter includes an RS-232 serial port for connecting to a PC, allowing users to log and graph measurements live. Analog Bargraph:
Radio Shack’s original DOS/Windows 3.1/95/98 software is obsolete and difficult to find, but you can use the following modern, open-source programs:
Understanding the RadioShack 22-805 24-Range Digital Multimeter The is a vintage-style, handheld radio shack 24 range digital multimeter 22-805 manual
The meter must be connected in series with the circuit, not parallel. Turn on power. Testing Diodes Set the switch to the →+ position. Red lead to VΩmA , black to COM .
Close the folding case and turn the unit over to access the back panel.
One of its most distinctive features is an RS-232 serial port , which allowed users of the era to connect the meter to a PC (running MS-DOS or Windows 3.1/95/98) to log and graph measurements. If you've misplaced your manual or are considering
is a classic, highly regarded piece of electronics test equipment. Produced during the peak of RadioShack’s era as an engineering and hobbyist haven, this 4000-count handheld meter balances robust build quality with advanced features like .
Before using the 22-805, ensure you have read the manual and are familiar with high-voltage testing procedures. How to use a multimeter like a pro! The Ultimate guide
Here’s a sample blog post or informational article you could use. It’s written to be helpful for someone searching for that specific manual. Analog Bargraph: Radio Shack’s original DOS/Windows 3
Finally, the manual is now a historical document. For collectors and restorers of vintage electronics, the original 22-805 manual is as valuable as the multimeter itself. It confirms calibration procedures using obsolete batteries (the 9V and AA), explains the limitations of the 200mA fuse, and describes the device’s 1,000 ohms-per-volt sensitivity on AC ranges—a specification that would be considered laughably poor by today’s standards. Studying the manual today reveals how much measurement technology has advanced, but also what has been lost: the expectation that the user would read, understand, and respect the tool before turning the dial.
RadioShack has ceased operations. However, the 22‑805 and its equivalents (like the Metex ME‑11) can still be found on the used market through auction sites and electronics forums.