Craftsman 82344, Owner'S Manual

Page 1: ...ner s Manual Auto Ranging MultiMeter Model 82344 Sears Roebuck and Co Hoffman Estates IL 60179 U S A www craftsman com 080806 CAUTION Read understand and follow Safety Rules and Operating Instructions in this manual before using this product ...

Page 2: ...DC Voltage Measurements 11 AC Voltage Measurements 12 AC DC Current Measurements 13 Resistance Measurements 14 Capacitance Measurements 14 Frequency Measurements 15 Temperature Measurements 14 Continuity Test 15 Diode Test 16 Data Hold 16 Low Battery 16 Auto Ranging 16 Auto Power Off 16 Maintenance 17 Replacing the Batteries 18 Replacing the Fuse 18 Troubleshooting 19 Service and Parts 19 ...

Page 3: ... specific legal rights and you may also have other rights which vary from state to state Sears Roebuck and Co Dept 817WA Hoffman Estates IL 60179 For Customer Assistance Call 9am 5pm ET Monday through Friday 1 888 326 1006 WARNING USE EXTREME CAUTION IN THE USE OF THIS DEVICE Improper use of this device can result in injury or death Follow all safeguards suggested in this manual in addition to the...

Page 4: ...ith high voltages 3 DO NOT measure voltage if the voltage on the COM input jack exceeds 600V above earth ground 4 NEVER connect the meter leads across a voltage source while the function switch is in the current resistance or diode mode Doing so can damage the meter 5 ALWAYS discharge filter capacitors in power supplies and disconnect the power when making resistance or diode tests 6 ALWAYS turn o...

Page 5: ...ch if not avoided may result damage to the product This symbol advises the user that the terminal s so marked must not be connected to a circuit point at which the voltage with respect to earth ground exceeds 600V This symbol adjacent to one or more terminals identifies them as being associated with ranges that may in normal use be subjected to particularly hazardous voltages For maximum safety th...

Page 6: ...cess is on the rear of unit SYMBOLS AND ANNUNCIATORS AC voltage DC direct current or voltage Continuity and Diode test mV V millivolt volt voltage k M ohm kilohm megohm resistance mA A milliamp Amp current nF uF nanofarads microfarads capacitance Hz Hertz frequency º F º C Degrees Fahrenheit Centigrade temperature º Low battery H Display hold AUTO Autoranging 1 2 3 4 5 6 7 8 ...

Page 7: ...000V 0 8 rdg 4 d 40 00V 400 0V AC Voltage V AC 600V 1 2 rdg 5 d 2 rdg 5 d 400 0 A 4000 A 40 00mA 200 0mA 1 2 reading 4 digits DC Current 10A 2 5 reading 4 digits 400 0 A 4000 A 40 00mA 200 0mA 1 5 reading 5 digits AC Current 40 to 400Hz 10A 3 reading 5 digits 400 0 4 000k 40 00k 400 0k 4 000M 1 2 reading 4 digits Resistance 20 00M 3 0 reading 5 digits ...

Page 8: ...ncy 5 000MHz Not specified Temp F Temp C 40 to 1400 F 20 to 750 C 40 to 650 F 1 0 rdg 10 digits 651 to 1400 F 3 rdg 10 digits 20 to 400 C 1 0 rdg 10 digits 400 to 750 C 3 rdg 10 digits probe accuracy not included NOTES Accuracy specifications consist of two elements reading This is the accuracy of the measurement circuit digits This is the accuracy of the analog to digital converter Accuracy is st...

Page 9: ... 2 AAA batteries Fuses mA range 250mA 250V fast blow 10A range no protection Operating Temp 32 o F to 104 o F 0 o C to 40 o C Storage Temp 4 o F to 140 o F 20 o C to 60 o C Relative Humidity Maximum relative humidity 80 for temperatures up to 31 C decreasing linearly to 50 relative humidity at 40 C Operating Altitude 7000ft 2000 meters maximum Weight 5 4 oz 153g Size 5 43 x 2 83 x 1 5 138mm x 72mm...

Page 10: ...er using a Phillips head screwdriver 4 Lift the cover off and replace the batteries observing the correct polarity 5 Insert the new batteries into the battery holder 6 Replace the rear cover and secure with the screws WARNING To avoid electric shock do not operate the meter until the battery cover is in place and fastened securely NOTE If your meter does not work properly check the fuses and batte...

Page 11: ...nput sensitivity The reading will stabilize and give a proper measurement when connected to a circuit DC VOLTAGE MEASUREMENTS CAUTION Do not measure DC voltages if a motor on the circuit is being switched ON or OFF Large voltage surges may occur that can damage the meter 1 Set the function switch to the V position 2 Press the SELECT button to select DC in the display 3 Insert the black test lead b...

Page 12: ...t before assuming that no voltage is present CAUTION Do not measure AC voltages if a motor on the circuit is being switched ON or OFF Large voltage surges may occur that can damage the meter 1 Set the function switch to the V position 2 Press the SELECT button to select AC in the display 3 Insert the black test lead banana plug into the negative COM jack Insert red test lead banana plug into the p...

Page 13: ...For current measurements up to 200mA set the function switch to the mA position and insert the red test lead banana plug into the mA jack 4 For current measurements up to 10A set the function switch to the 10A range and insert the red test lead banana plug into the 10A jack 5 Press the SELECT button to select AC or DC in the display 6 Remove power from the circuit under test then open up the circu...

Page 14: ...ce in the display CAPACITANCE MEASUREMENTS 1 Insert the black test lead banana plug into the negative COM jack and the red test lead banana plug into the positive CAP jack 2 Turn the rotary switch to the position 3 Touch the test probes to the circuit or device under test and read the capacitance on the display FREQUENCY MEASUREMENTS 1 Insert the black test lead banana plug into the negative COM j...

Page 15: ...ocouple probe into the Temp and COM jacks 2 Turn the rotary switch to the o F or o C position 3 Read the temperature on the display CONTINUITY MEASUREMENTS 1 Insert the black test lead banana plug into the negative COM jack and the red test lead banana plug into the positive V mA jack Observe polarity 2 Turn the rotary switch to the position 3 Touch the test probes to the circuit or device under t...

Page 16: ...the display replace the batteries to maintain proper operation AUTO RANGING The meter will auto range to the optimum range to provide the best resolution and accuracy for the input signal Note When in the autoranging mode the meter will up range to the next higher range when the measured value is above 90 of full scale This guard band prevents autorange oscillation If maximum counts are required i...

Page 17: ...erature extremes can shorten the life of the electronic parts and distort or melt plastic parts 3 Handle the meter gently Dropping it can damage the electronic parts or the case 4 Keep the meter clean Wipe the case occasionally with a damp cloth DO NOT use chemicals cleaning solvents or detergents 5 Use only fresh batteries of the recommended size and type Remove old or weak batteries so they do n...

Page 18: ...FUSE WARNING To avoid electric shock disconnect the test leads from any source of voltage before removing the fuse cover 1 Disconnect the test leads from the meter and any item under test 2 Remove the protective rubber holster 3 Remove the two screws securing the rear cover using a Phillips head screwdriver 4 Remove the old fuse from its holder by gently pulling it out 5 Install the new fuse into ...

Page 19: ...y is good 4 If the battery is good and the meter still does not operate check to be sure that both ends of the fuse are properly installed If You Do Not Understand How the Meter Works 1 Purchase the instructional book Multitesters and Their Use for Electrical Testing Item No 82303 at your local Sears store 2 Call our Customer Service Line 1 888 326 1006 SERVICE AND PARTS Item Number Description 82...