Radio Shack 22-813 Owner's Manual

www.radioshack.comSMOWNER’S MANUAL —Completely read this manual before using this meter.22-813© 2002 RadioShack Corporation. All Rights Reserved.Radio

Operation10To cancel hold, press HOLD again or set thefunction dial to another setting. Holddisappears.AUTOMATIC POWER OFFYour meter conserves power b

Operation11USING THE BAR GRAPHIn addition to the numeric display, the meterdisplays all measurements on a bar graphwhich consists of 8 segments at the

12Making MeasurementsMAKING MEASUREMENTSMEASURING DC/AC VOLTAGE o1. Set the function dial to .2. Repeatedly pressSELECT to select DCor AC. appears for

13Making MeasurementsMeasuring AC Voltage Riding On a DC Source Bias o1. Disconnect power from the circuit youwill test.2. Set the function dial to .

14Making MeasurementsThree-phase industrial circuits are extremelypowerful. You can be burned severely andeven killed if you create an accidental shor

15Making Measurements5. To measure current larger than 400mA, plug the red test lead into+10 AMAX. Otherwise, plug the red test leadinto+V.Ω.mA. Then

16Making MeasurementsAs with the voltage range, use themeasuring units that appear on thedisplay to determine the currentresistance range. If only Ω a

17Making MeasurementsCHECKING DIODESThis procedure lets you check diodes,transistors, and other semiconductors foropens, shorts, and normal operation.

18Making Measurementsthe diode’s cathode or negative (–) side. Theother side is the anode or positive (+) side.If a diode is not marked, you can use y

19Making Measurements2. Connect the black test lead to thebattery’s negative (–) terminal and the redtest lead to the battery’s positive (+)terminal.

2Thank you for buying a RadioShack 29-Range Auto/Manual Digital Multimeter. Yourmultimeter is a portable, compact auto-ranging digital multimeter. It

20CareCAREKeep the meter dry; if it gets wet, wipe it dryimmediately. Use and store the meter only innormal temperature environments. Handlethe meter

Specifications21The meter contains a 5 × 20mm, 500mA,250V ceramic fuse (Radio Shack Cat. No.270-1070).o 1. Set the function dial to OFF and unplugthe

Specifications22DC CURRENT (Maximum Measurement: 10A)40mA– 400mA ... ± 1.2% of Reading,± 4 in Last Digit4A– 10A ...

Specifications23GENERALMaximum Common Mode Voltage ...600V DC or RMS ACBattery Life (Alkaline) at 1 hour use per day ...A

RadioShack CorporationFort Worth, Texas 7610222-813AO0117AAA111A02Printed in ChinaLimited Ninety-Day WarrantyThis product is warranted by RadioShack a

A Word About Safety3continuity function, resistancemeasurement, or any of the battery testor current measurement functions.• Always discharge any capa

4Safety MarksDiode-Check Function — The metersafely checks semiconductor junctions foropens, shorts, or normal.Battery Test Function— Lets you easilyt

5PreparationPREPARATIONINSTALLING BATTERIESYour meter requires 3 AAA batteries (notsupplied) for power. Batteries are availableat your local RadioShac

Operation61. Remove the plastic plugs from both testleads.2. Plug the black test lead’s right-angled endinto–COM (common) on the front of the meter.3a

Operation7BEFORE YOU STARTFamiliarize yourself with the meter’soperation before you use it for the first timeby following these steps.o 1. Rotate the

Operation8Your meter automatically enters theauto range mode when you turn it on.In the auto range mode,appears and the meter automaticallyselects the

Operation9Read the range in volts, amps, or ohmsas indicated by the position of thedecimal point.Ô6. Connect the black test lead then thered test lead