Radio Shack 22-812A, Manual

Page 1: ...applications You can also connect the meter to your computer and use the supplied software to log and graph measurements Please read this user s guide before installing setting up and using your new m...

Page 2: ...ing the Stand 9 Connecting Test Leads 9 Using Power Lock 9 Using Monitor 10 Range Selection 10 Taking Measurements 11 Taking Relative M easurement 11 Displaying Temperature 11 Measuring DC AC Voltage...

Page 3: ...2 6 0 7 Contents Using the Meter With a Computer 18 System Requirement 18 Installing the Meter s Software Hardware 18 Configuring Using the Meter and Software 18 Specifications 20...

Page 4: ...leads supplied with your meter are rated for 1000 volts Use only test leads of the same rating with the meter You can order replacement leads from your local RadioShack store Do not use a fuse brand o...

Page 5: ...n measure at this jack is 10 amps DC AC This jack is fuse protected CAT This equipment is rated for INSTALLATION CATEGORY II 3600VA max 500V MAX To avoid electrical shock or instrument damage do not c...

Page 6: ...HI LO frequency h FE Measures the gain of small signal bipolar transistors OFF Switches off the meter 10A MAX FUSED Plug the red lead into this jack to measure current higher than 400 mA Sliding Guard...

Page 7: ...manual ranging Press to enter the manual range mode and press to select different ranges Hold down about 2 seconds to exit the manual range mode HOLD Press to hold all indications on the display To c...

Page 8: ...lan to use the meter for a month or more remove the battery Batteries can leak chemicals that can destroy electronic parts Replacing the Fuses If the meter does not work replace one or both of the fus...

Page 9: ...V mA If you want to measure current higher than 400mA plug the red test lead s right angled end into 10A MAX instead of V mA Warning Although the test leads are rated for 1000 volts the maximum ratin...

Page 10: ...press HOLD again Hold disappears To exit monitor mode press MAX MIN for more than 2 seconds Max or Min disappears Note When the meter is set to its voltage or current function and the input is out of...

Page 11: ...4 When you see the reading hold down REL Rel appears The meter sets to manual range 5 Take a measurement You will get the relative value of the measured component to the baseline If the measured value...

Page 12: ...er is set to the 400mV range OF continues to appear even after you remove an over range input signal This is not a malfunction Touch the test leads together or connect them to a circuit then OF disapp...

Page 13: ...e value you measured in Step 4 7 Reapply power to the circuit If you are measuring DC current and the current s polarity is negative appears before the value Measuring Resistance 1 Power off the circu...

Page 14: ...than one taken with a voltage near the capacitor s voltage rating Since this meter cannot use high voltage to set the electrolyte it cannot measure the absolute value of capacitance For low value cap...

Page 15: ...the values might vary depending on the temperature The values that appear during a diode check show the actual forward voltage 2 0V max If the voltage exceeds 2 0V OF appears The meter cannot check th...

Page 16: ...ltage AC Current Frequency The meter can measure the frequency of an AC voltage with or without a DC source bias WARNING To avoid electrical shock and damage to the meter never try to measure a freque...

Page 17: ...he meter is set to measure current it cannot measure the frequency of a signal with DC bias Measuring hFE You can use the meter to measure the DC gain of small signal bipolar transistors in the h FE r...

Page 18: ...tem 2 Insert the software CD into your CD ROM drive The CD starts automatically If it does not browse to your CD ROM drive and open setup exe 3 After you finish installing the software restart your co...

Page 19: ...you select the wrong COM port an error message appears Repeat step 3 to select the correct COM port If the Meter View software stops communicating with the meter check the connection between the mete...

Page 20: ...A 0 8 of Reading 5 in Last Digit 4mA 400mA 0 6 of Reading 3 in Last Digit 10A 1 0 of Reading 5 in Last Digit AC CURRENT Average Responds RMS Calibrated 10A Maximum DC Coupled 400 A 40mA 4A 1 0 of Read...

Page 21: ...eading 4 in Last Digit Sensitivity The function dial set to LOGIC Hz 10Hz 4MHz 400Hz 4k 40kHz 50 mVrms 400kHz 100 mVrms 4MHz 250 mVrms For AC voltage frequency the function dial set to C F V maximum m...

Page 22: ...e Down Detect Value 380 Counts Low Battery Indication 6 3V 0 3 V Sleep Mode Current 10 A Normal 20 A Max Input Impedance DCV ACV 10Mohm Power Source One 9V battery not supplied Operating Temperature 4...

Page 23: ...23 6 26 07 Notes...

Page 24: ...onics Go to www ecyclingcentral com to find a recycing location near you Limited Warranty This product is warranted by RadioShack against manufacturing defects in material and workmanship under normal...