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AC/DC VOLTAGE MEASUREMENT 

On some low AC and DC voltage ranges - when test leads are not connected to a 

device - the display on the screen may show a random, changing reading. This is 

normal and caused by high-input sensitivity of the multimeter. When connected 

to a circuit, the multimeter will display a stabilised, accurate measurement.

1)  Set the function switch to the VAC or VDC position.

2)  Insert the black test lead banana plug into the negative COM jack.

3) Insert the red test lead banana plug into the positive VΩCAP jack.

4)  Use the Mode button to select AC or DC voltage.

5)  Connect the test leads in parallel to the circuit under test.

6)  Read the voltage in the display.

DC CURRENT MEASUREMENT

Do not measure 20A currents for longer than 30 seconds. Exceeding 30 seconds 

may cause damage to the meter and/or test leads.

1)  Insert the black test lead banana plug into the negative COM jack.

•  For current measurements up to 4000μA DC, set the function switch to the μA 

position and insert the red test lead banana plug into the μA jack.

•  For current measurements up to 400mA DC, set the function switch to the mA 

position and insert the red test lead banana plug into the mA jack.

•  For current measurements up to 10A DC, set the function switch to the 10A 

position and insert the red test lead banana plug into the 10A jack.

2)  Press the MODE button to show “DC” on the screen.

3)  Remove power from the circuit under test, then open up the circuit at the point 

where you wish to measure current.

4)  Touch the black test probe tip to the negative side of the circuit.

5) Touch the red test probe tip to the positive side of the circuit.

6)  Apply power to the circuit.

7)  Read the current displayed on the screen.

AC CURRENT MEASUREMENT

Do not measure 20A currents for longer than 30 seconds. Exceeding 30 seconds 

may cause damage to the meter and/or test leads.

1)   Insert the black test lead banana plug into the negative COM jack.

•  For current measurements up to 10A, set the function switch to the 10A 

position and insert the red test lead banana plug into the 10A jack.

Summary of Contents for QM-1500

Page 1: ...HOBBYIST Low Cost Digital Multimeter QM1500...

Page 2: ...e the test leads before replacing the battery or fuses Before using the meter please inspect the condition of the test leads and the meter itself for any damage If damage is present please discontinue...

Page 3: ...Display 2000 counts Basic Accuracy 0 500 DC Voltage Range 400mV 1000V AC Voltage Range 4V 1000V DC Current Range 4mA 10A AC Current Range 4mA 10A Resistance 400 40M Capacitance CAP 4nF 100 F Frequency...

Page 4: ...4 The tilt stand battery compartment are at the rear of the multimeter LCD Screen Function Switch COM Input Jack...

Page 5: ...ion with the function switch to measure things like resistance diode continuity and capacitance It also allows you to select between AC or DC current measurements Function Switch Select a measurement...

Page 6: ...ESCRIPTION Continuity Diode Test Low Battery F Farads Capacitance Ohms Hz Hertz Frequency V Volts A mA A Current Range AC Alternating Current Voltage AUTO Autoranging DC Direct Current Voltage HOLD Di...

Page 7: ...000 A DC set the function switch to the A position and insert the red test lead banana plug into the A jack For current measurements up to 400mA DC set the function switch to the mA position and inser...

Page 8: ...batteries and unplug the line cords 1 Set the function switch to the CAP position 2 Insert the black test lead banana plug into the negative COM jack 3 Insert the red test lead banana plug into the p...

Page 9: ...urements 1 Set the function switch to the CAP position 2 Insert the black test lead banana plug into the negative COM jack 3 Insert the red test lead banana plug into the positive V CAP jack 4 Press t...

Page 10: ...obes to the circuit being tested 5 Read the frequency displayed on the screen MEASUREMENT SPECIFICATIONS The following guide is based on an environmental temperature of 18 28 C and humidity 70 RANGE R...

Page 11: ...ut voltage 1000VAC RMS Frequency range 50 400Hz all AC voltage ranges are specified from 5 of range to 100 of range DC CURRENT RANGE RESOLUTION ACCURACY 400 A 0 1 A 1 2 reading 3 digits 4000 A 1 A 40m...

Page 12: ...0A 10mA 3 0 reading 5 digits AC CURRENT Overload protection fuse FF500mA 1000V fuse FF10A 500V Frequency range 50 400Hz RESISTANCE Input protection 1000VDC or 1000VAC RMS RANGE RESOLUTION ACCURACY 400...

Page 13: ...MHz 1kHz 1 2 reading 4 digits FREQUENCY Overload protection 1000VDC or 1000VAC RMS Sensitivity 0 5V while 1MHz 3V while 1MHz RANGE RESOLUTION ACCURACY 40nF 10pF 5 0 reading 7 digits 400nF 0 1nF 3 0 re...

Page 14: ...he rear battery cover with a screwdriver 3 Remove the old battery and insert the new battery into the battery holder observing the correct polarity 4 Put the battery cover back in place secure with th...

Page 15: ...0 5 AC Voltage 200V 750V max input 750V RMS 1 2 DC Current 200 A 2mA 20mA 200mA 10A 1 2 Resistance 200 2k 20k 200k 2M 1 2 Measurement Type Average Input Impedence 1 Dimensions 125 H x 68 W x 23 H mm W...

Page 16: ...16 Distributed by TechBrands by Electus Distribution Pty Ltd 320 Victoria Rd Rydalmere NSW 2116 Australia Ph 1300 738 555 Int l 61 2 8832 3200 Fax 1300 738 500 www techbrands com...

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