Note
• lf the measured resistor is open or the resistance exceeds the maximum range, the LCD
will display "OL".
• Before measuring the resistance online, switch off the power supply of the circuit, and fully
discharge all capacitors to avoid inaccurate measurement.
• lf the resistance is not less than 0,5Ω when the test leads are short-circuited, please check
the test leads for looseness or other abnormalities.
• Do not input voltage higher than 30V to avoid personal injury.
Continuity Test (Picture 4)
1) lnsert the red test lead into the "V °C
2) Turn the function switch to the "
measurement, and connect the test leads with both ends of the measured load in parallel.
3) Measured resistance <10Ω: The circuit is in good conduction status; the buzzer beeps
continuously. Measured resistance >31Ω: The buzzer makes no sound.
Note:
• Before measuring the continuity online, switch off the power supply of the circuit, and fully
discharge all capacitors.
• Do not input voltage higher than 30V to avoid personal injury.
Diode Test (Picture 4)
1) lnsert the red test lead into the "V °C
polarity of the red test lead is "+" and that of the black test lead is "-".
2) Turn the function switch to the "
measurement, and connect the test leads with the positive and negative poles of the
measured diocle.
3) 0.08V ≤ reading <1.2V: The buzzer makes ene beep indicating the normality of the diode.
Reading <0.08V: The buzzer beeps continuously indicating the damage of the diode. For
the silicon PN junction, the normal value is generally about 500~800 mV.
Note:
• lf the diode is open or its polarity is reversed, the LCD will display "OL".
• Befare measuring the diode online, switch off the power supply of the circuit, and fully
discharge all capacitors.
• Do not input voltage higher than 30V to avoid personal injury.
Capacitance Measurement (Picture 4)
1) lnsert the red test lead into the "V °C
2) Turn the function switch to the "
capacitance in parallel. For capacitance ≤100nF , it is recommended to use "REL"
measurement mode.
22
Ω
Hz" jack, black into the "
" position, press the SELECT button to select continuity
Ω
Hz" jack, black into the "COM" jack. The
" position, press the SELECT button to select diode
Ω
Hz" jack, black into the "COM" jack.
" position, and connect the test leads with the measured
" jack.