Radio Shack | 24 Range Digital Multimeter 22-805 Manual [hot]
While physical copies are no longer distributed by RadioShack, digital versions are preserved by community archives: Internet Archive
The true feature of the 22-805 wasn't its LCD screen; it was its tactile interface. Unlike modern auto-ranging meters that do the math for you, the 22-805 required the user to think. You had to know the order of magnitude you were dealing with. radio shack 24 range digital multimeter 22-805 manual
Do not attempt to measure voltages higher than 1000V DC or 750V AC. While physical copies are no longer distributed by
Displays "1" or "-1" when the input exceeds the selected range. Sampling Rate: Approximately 2 to 3 times per second. Power Source: 9-Volt battery. 🎛️ Layout and Control Reference Do not attempt to measure voltages higher than
If current measurements fail to read entirely, inspect the internal fuse. Replace it only with a fast-acting fuse of identical rating (typically F 200mA/250V). Snap the case back together and secure the screws.
