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Radio Shack 22-218 owner manual Measuring Dc Current, Set the function selector to 150 mA DC

Models: 22-218

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MEASURING DC CURRENT

MEASURING DC CURRENT

WARNING: NEVER CONNECT THE TEST LEADS TO A SOURCE OF UNKNOWN VOLTAGE WHEN YOU HAVE SET THE FUNCTION SELECTOR TO THE 150 mA DC POSI- TION.

1. Set the function selector to 150 mA DC.

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Radio Shack 22-218 owner manual Measuring Dc Current, Set the function selector to 150 mA DC

Contents

8-RangeMultitester Please read before using this equipmentCat. No FEATURES Cautions A WORD ABOUT SAFETY Page Page Page Accuracy SPECIFICATIONSRanges Weight Operating TemperatureStorage Temperature DimensionsSPECIAL PANEL MARKINGS Page INSTALLING A BATTERY WARNINGSFollow these steps to install the battery 3. Remove the back of the meter5.Replace the back and secure it with the screw WARNINGS REPLACING THE FUSEYour meter is protected by a 315 mA fuse Follow these steps to replace the fuse 5.Replace the back and secure it with the screw 3.Remove the back of the meter4.Replace the blown fuse with a new one OPERATION CautionsWarnings MAKING ACCURATE MEASUREMENTS Page Zero Adjustment MEASURING VOLTAGEMeasuring High Voltages Page Measuring DC Voltage 3.Read the voltage on the scale Follow these steps to measure DC voltage2.Connect the test probes to the circuit Measuring AC Voltage 3.Read the voltage on the scale Follow these steps to measure AC voltage2.Connect the test probes to the circuit Measuring 3-PhaseAC Voltage 600volts, the line-to-linevoltage would be 600 Volts x 1.732 = 1039.2 Volts Measuring AC Voltage on a DC Source Bias MEASURING DC CURRENT 1. Set the function selector to 150 mA DCPage MEASURING RESISTANCE WARNINGSPage Page MAINTENANCE Page Page RADIO SHACK A Division of Tandy Corporation We Service What We Sell