From sigrok. RadioShack 22-805. Status. supported. Source code. serial-dmm. Counts. 4000. IEC 61010-1. CAT II (600V) Connectivity. sigrok
While it offers 24 manual ranges, it is often grouped with RadioShack's higher-end "pro" series due to its connectivity and high count. Operational Guidelines For safe and accurate use, the RadioShack manual on Internet Archive highlights: Lead Connection: Ensure the black lead is in the jack and the red lead is in the appropriate jack before powering the unit. Circuit Safety:
The Radio Shack 24-Range Digital Multimeter (Model 22-805) is a fantastic example of durable, well-engineered test equipment. With the proper manual and software, it remains a highly capable tool for electronics work on a budget. While Radio Shack is now defunct, its legacy lives on through the many 22-805 meters still in use.
If you need to explore advanced diagnostic techniques or compare this unit to modern alternatives, let me know. I can provide details on , testing advanced components , or finding replacement test leads . Share public link radio shack 24 range digital multimeter 22-805 manual
[ LCD DIGITAL DISPLAY ] (3 3/4 Digit / 4000 Counts) _________________________________________________ | [RANGE] [SELECT] [DATA HOLD] [RS-232] | <- Function Buttons | | | ( O ) | | Rotary Switch | | (24 Core Ranges) | | | | [ 20A ] [ mA/uA ] [ COM ] [ V/Ω ] | <- Input Terminals |___( Fused )___( Fused )___( Ground )___( Input )|
Set the function selector to the desired or ACV position.
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If your computer doesn't recognize the meter, ensure you are using a genuine RS-232 serial cable (not a USB-to-serial adapter, as these can be unreliable at the meter's slow baud rate). Double-check that your terminal software is set to 600 baud, 7 data bits, no parity, and 2 stop bits . If data appears garbled, try toggling RTS/CTS flow control settings in your terminal software.
The Radio Shack 22-805 was a well-regarded, feature-rich meter for its time, combining accuracy with advanced functionality for a device under $50 MSRP（于 2001 年）.
Radio Shack 24-Range Digital Multimeter (22-805) Manual Go to product viewer dialog for this item. : A Comprehensive Guide The supported
: A dedicated function to "freeze" the displayed value for later reading. Operating Instructions
measure AC voltage exceeding 750V or DC voltage exceeding 1000V.
Finding a PDF of the online today is like finding a lost episode of The Electronics Hour . The language inside is pure 1995: "Never use the meter if the case is cracked (have a qualified technician service it)." It assumes a world where you actually know a qualified technician.
The module was rated for 2 Amps. He had found the fault. The solenoid coil was shorted internally. He didn't need the module; he needed a new motor.