TACKLIFE DM01M, Руководство пользователя, Страница: 12 / 83

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3. Use another two ends of the test lead to measure the resistance of the circuit to be measured. If
the measured distance is no more than
40Ω , the sensor LED (green indicator) will be on and the
beeper will sound continuously. If the measured resistance is between 40Ω and 60Ω , the sensor
LED (red indicator) will be on.
3.2.5 Capacitance measurement
To avoid the meter or the measured equipment from damage, do not attempt a capacitance
measurement unless the operator has already cut off all power sources for the circuit to be measured
and fully discharged all high-voltage capacitors. Use the DC voltage position to determine that all
capacitors have been discharged.
• The measuring ranges for the capacitance of this meter are 6.000nF, 60.00nF, 600.0nF, 6.000 μF,
60.00μF and 600.0μF,6mF,100mF.
•
Measurement of capacitance:
1. Turn the rotary switch to the position 100mF.
2. Connect the test leads in black and in red to COM input socket and input socket respectively.
3. Use another two ends of the test lead to measure the capacitance of the capacitor to be measured,
and capture the measured value on LCD screen.
Note:
* The measurement of a large capacitance requires a given period of stabilization of reading.
* To avoid damage to the meter, the measurement of a capacitor with polarities requires much
attention to its polarity.
3.2.6 Frequency measurement
To avoid any electric shock and/or damage to the meter, do not attempt a frequency measurement
if the voltage is over 250V for DC current or AC current(valid value).
• Frequency measurement:
1. Turn the rotary switch to the position HZ%.
2. Connect the test leads in black and in red to COM input socket and Hz input socket respectively.
3. Use another two ends of the test lead to measure the frequency of the circuit to be measured.
4. Read the measured frequency on LCD screen.
3.2.7 Current measurement
Do not attempt a measurement on the current in a circuit, if when the voltage between the
open-circuit voltage and the ground is over 250V. If the fuse is blown at the moment of measurement,
you are likely to damage the meter or get yourself hurt.
To avoid any damage to the meter or equipment to be measured, do not attempt a current measurement
unless you have examined the meter's protective tube. In attempting a measurement, you should
use the correct input sockets, function positions and measuring ranges. When a test lead is inserted
into the current input socket, do not put the other end of the test lead in parallel connection with any
circuit.