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Models: D03143 / D03144

Digital Multimeter

Summary of Contents for D03143

Page 1: ...1 Models D03143 D03144 Digital Multimeter ...

Page 2: ...ew 4 Specifications 4 DC Voltage 4 AC Voltage 4 Temperature 5 DC Current 5 AC Current 5 Transistor hFE Test 5 Resistance 5 Diode Continuity 6 Capacitance 6 Frequency 6 Measuring Voltage 6 Measuring Current 7 Measuring Resistance 7 Continuity Test 7 Diode Test 7 Transistor Test W Multifunction Adaptor 7 Measuring Temperature W Multifunction Adaptor 8 Capacitance Measuring 8 Frequency Measuring 8 Au...

Page 3: ...igh voltage capacitors before testing resistance continuity diodes or hFE This meter is designed for indoor use only Replace the battery as soon as the low battery indicator appears Before opening the case of the meter remove the connection between the testing leads and the circuit being tested and turn the power off When servicing the meter only use the same model number or identical electrical s...

Page 4: ...ts Input impedance 10MΩ Overload protection 600V DC AC rms Max input voltage 600V DC AC VOLTAGE Range Resolution Accuracy 200mV 0 1mV 1 2 rdg 5 digits 2V 1mV 1 0 rdg 5 digits 20V 10mV 200V 100mV 600V 1V 1 2 rdg 5 digits Input impedance 10MΩ Frequency range 40Hz 400Hz Overload protection 600V DC AC rms Response Average calibrated in rms of sine wave Max input voltage 600V AC rms TEMPERATURE Range R...

Page 5: ...otection mA F0 5A 600V fuse D03144 A F2A 600V fuse D03143 10A F10A 600V fuse Voltage drop 200mV Frequency range 40Hz 400Hz Response Average calibrated in rms of sine wave TRANSISTOR hFE TEST Range hFE Test Current Test Voltage PNP NPN 0 1000 lb 10µA Vce 2 8V RESISTANCE Range Resolution Accuracy 200Ω 0 1Ω 1 0 of rdg 10 digits 2kΩ 1Ω 1 0 of rdg 4 digits 20kΩ 10Ω 200kΩ 100Ω 2MΩ 1kΩ 1 0 of rdg 10 digi...

Page 6: ...load to be measured This is normal and will not affect the measurements When the meter shows the overrange symbol 1 a higher range must be selected To avoid damage to the meter don t measure a voltage that exceeds 600V DC or 600V AC MEASURING CURRENT Connect the black test lead to the COM jack If the current to be measured is less than 200mA for D03144 or less than 2A for D03143 connect the red te...

Page 7: ... of the red test lead is positive Set the range switch to the range Connect the test leads across the load to be measured If the circuit resistance is lower than about 30 20Ω the built in buzzer will sound DIODE TEST Connect the black test lead to the COM jack and the red lead to the VΩ jack Note The polarity of the red test lead is positive Set the range switch to the range Connect the red test l...

Page 8: ...ust push the power button twice BATTERY FUSE REPLACEMENT Before replacing the battery or the fuse ensure that all test leads have been disconnected and the power is off If the low battery indicator appears on the display replace the battery immediately Remove the screws and open the back case Then replace the exhausted battery with a new one of the same specification 9V IEC 6F22 NEDA 1604 The mete...

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