Aktakom AM-1108, User Manual

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To test continuity, proceed as follows:
1. Set the rotary switch to
position, and press blue button ( ) twice to select continuity check and the symbol “ ”
will be shown on the left part of the screen.
2. Insert the black lead into “
COM ” terminal, and the red lead to into the “ Ω V ” terminal.
3. Connect the leads to the two ends of the tested circuit.
4. The inner beeper sounds when the tested circuit resistance is less than 50
Ω , which indicates the circuit is through.
Measuring RTD (See Figure3-9)
See Figure3-9.RTD Measurement
1. Set the rotary switch to position, and press blue button ( ) three times to select diodes testing.
2. Insert the black lead into “ COM ” terminal, and the red lead to into the “ Ω V ” terminal.
3. Connect the leads to the tested RTD.
4. Read the measuring results from the screen.
Measuring Capacitance (See Figure3-10)
Warning
To avoid possible damage to the meter or to the equipment under test, disconnect circuit power and
discharge all high-voltage capacitors before measuring capacitance. Use the dc voltage function to
confirm that the capacitor is discharged.
The meter’s capacitance ranges are 50.00nF
、
500.0nF
、
5.000µF
、
50.00µF
、
100.0µF.
To test capacitance, proceed as follows:
1. Set the rotary switch to
position to select capacitance measurement.
2. Insert the black lead into “ COM ” terminal, and the red lead to into the “ Ω V ” terminal.
3. Connect the leads to the tested capacitance.
4. Read the measuring results from the screen.
Caution
 OL appears on the display if the tested capacitance is open or the value surpasses the maxim range.
 If the tested capacitance is polar capacitance, then connect the red lead with the positive point and the black lead
with the negative point.

High capacitance test needs more time, and 30s is necessary in 100 µ F position.

To improve the measurement accuracy of small value capacitors, press with the test leads open to subtract
the residual capacitance of the meter and leads.
 The remaining voltage of capacitance, insulated impedance and dielectric absorption could cause measuring
errors.
 Only Auto ranging mode is available in capacitance measurement.