Radio Shack 24 Range Digital Multimeter 22-805 Manual ((free)) [ CERTIFIED ]
is a portable, compact device designed for home, shop, and field applications. It features a
Select the appropriate range. For current under 200mA, use the V/Ω/mA jack. For current up to 10A, move the red probe to the 10A jack. Connect the meter in series with the circuit path.
Are you a DIY enthusiast, an electronics hobbyist, or a professional looking to get the most out of your RadioShack 24 Range Digital Multimeter 22-805? Look no further! In this article, we'll provide you with an in-depth guide on how to use and troubleshoot your multimeter, as well as offer valuable insights into its features, specifications, and applications.
Completely read this manual before you use the meter. If you are not familiar with multimeters and testing procedures, we suggest you read the book Using Your Meter before you use this meter.
Set the rotary switch to the highest or V--- (DC) range if the voltage is unknown. Touch the test probes to the circuit under test. radio shack 24 range digital multimeter 22-805 manual
Read the value on the LCD. Note the decimal placement and unit prefix (mV or V). 2. Measuring Resistance (Ohms)
Never apply more than 1000V DC between the input terminals and earth ground to avoid electrical shock or meter damage.
button to toggle between different measurement options within a single rotary switch position. Testing Transistors : The meter includes an
: Includes 24 ranges for DC/AC voltage, current, and resistance. is a portable, compact device designed for home,
Remove the screws on the back of the case and carefully separate the housing.
Dedicated ranges to check 1.5V and 9V batteries under load. 2. Technical Specifications
Here are some of the key features of the RadioShack 24 Range Digital Multimeter 22-805:
A continuous beep indicates a solid, unbroken electrical path. 4. Measuring DC Current (Amps) Turn off the circuit power. Insert the black lead into . For current up to 10A, move the red probe to the 10A jack
button to switch from auto-ranging to manual mode. To return to auto-ranging, hold the button for approximately two seconds. Function Selection
: Features a digital LCD with an analog bar graph to show input magnitude relative to the full-scale value.
: Capable of measuring up to 20A (AC/DC), which is higher than many standard hobbyist meters that cap at 10A. Resistance : Measures up to 40M Ωcap omega .
In the pantheon of vintage electronic test equipment, the Radio Shack 24 Range Digital Multimeter, model 22-805, occupies a humble but significant place. For the average consumer of the 1980s and 1990s, this device was the gateway to understanding the invisible world of voltage, current, and resistance. However, beyond the yellow-and-black casing and the chunky selector dial, the true heart of the instrument’s utility lay not in the circuitry, but in the pages of its accompanying owner’s manual. The “Radio Shack 22-805 Manual” is more than a simple set of instructions; it is a cultural artifact of practical electronics education.
Never measure resistance, continuity, or diode functionality on a live, powered circuit. Step-by-Step Operating Instructions 1. Measuring AC or DC Voltage