Jaycar QM1528 Operating Instruction Download | Manualshive

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Operating Instruction for

Autoranging Digital

Multimeter

Please read this manual before switching the unit on.

Important safety information inside.

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Summary of Contents for QM1528

Page 1: ...Operating Instruction for Autoranging Digital Multimeter Please read this manual before switching the unit on Important safety information inside...

Page 2: ......

Page 3: ...ion 2 1 Meter Description 2 2 Symbols Used on LCD Display 3 Button Function 4 Operation 4 1 DC Voltage Measurement 4 2 AC Voltage Measurement 4 3 DC Current Measurement 4 4 AC Current Measurement 4 5...

Page 4: ...s keep your fingers behind the finger guards on the probes Measuring voltage which exceeds the limits of the multimeter may damage the meter and expose the operator to a shock hazard always recognize...

Page 5: ...with ranges that may in normal use be subjected to particularly hazardous voltages For maximum safety the meter and its test leads should not be handled when these terminals are energized 1 3 Input Li...

Page 6: ...ate Lamp 2 2000 Count Liquid Crystal Display 3 MAX Hold Button 4 MODE Button 5 Function Switch 6 COM Input Jack 7 Positive Input Jack 8 Battery Cover 8 Autoranging Digital Multimeter OFF mA A V Auto P...

Page 7: ...r DC AC current 3 2 MAX Hold Button The max Hold position is used to measure the maximum value The maximum measured value is up dated continuously To take a Max Hold measurement press and release the...

Page 8: ...g this is normal and is caused by the high input sensitivity the reading will stabilize and give a proper measurement when connected to a circuit 4 1 DC Voltage Measurement CAUTION Do not measure DC v...

Page 9: ...at 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...

Page 10: ...e the meter 1 For current measurements up to 2000 A DC set the function switch to the A Position 2 For current measurements up to 200mA DC set the function switch to the mA Position 3 Insert the black...

Page 11: ...into the COM Input Jack Insert the red test lead banana into the Positive Input Jack 4 Press the MODE Button until AC appears in the display 5 Remove power from the circuit under test then open up th...

Page 12: ...test lead banana into the COM Input Jack Insert the red test lead banana into the Positive Input Jack 3 Touch the test probe tips across the circuit or part under test It is best to disconnect one si...

Page 13: ...Input Jack Insert the red test lead banana into the Positive Input Jack 3 Press the MODE Button until the symbol appears in the display 4 Touch the test probe tips to the circuit or wire you wish to c...

Page 14: ...the diode or semiconductor junction you wish to test note the meter reading 5 Reverse the probe polarity by switching probe position note this reading 6 The diode or junction can be evaluated as follo...

Page 15: ...ck do not operate the meter until the battery door is in place and fastened securely Note If your meter does not work properly check the fuses and battery to make sure that they are still good and tha...

Page 16: ...4 digits 1 0 3 digits 1 5 3 digits 1 5 3 digits 1 8 3 digits Resolution 0 1mV 1mV 10mV 100mV 1V 1mV 10mV 100mV 1V 0 1 A 1 A 10 A 100 A 0 1 A 1 A 10 A 100 A Function DC Voltage Input Impedance 10M Maxi...

Page 17: ...n 250V AC DC rms Accuracy 1 5 4 digits 1 2 2 digits 1 5 2 digits 2 0 3 digits Accuracy 1 0 5 digits Resolution 0 1 1 10 100 1k 10k Resolution 1mV Function Resistance Input Protection 250V dc or 250V a...

Page 18: ...W x D Weight EN61010 1 Class 2 Double insulation CAT III 300V CAT II 600V 2000 count LCD display with function indication Automatic negative polarity indication OL mark indication The is displayed wh...

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Page 20: ...Rev 210814 Autoranging Digital Multimeter...

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