8
Measurement Operation
DC Voltage Measurement (see Figure 2)
Warning
To avoid injury to you or damage to the multimeter from electric
shock, please do not attempt to measure voltages higher than 500V
although readings may be obtained.
The DC voltage ranges are: 200 mV, 2000 mV, 20V, 200V and 500V.
To measure DC voltage, connect the multimeter as follows:
1. Insert the red test lead into the VΩmA terminal and the black test
lead into the COM terminal.
2. Set the multimeter knob to the appropriate measurement position
in V range.
3. Connect the test leads to the object being measured.
4. The measured value shows on the display.
5. 1.5V, 9V, 12V is for battery testing. The meter puts a small load on
the battery to get a more accurate reading.
Note:
1. If the value of voltage to be measured is unknown, use the
maximum measurement position (500V) and reduce the range by
step until a satisfactory reading is obtained.
2. The LCD displays “1” indicating the existing selected range is
overload. It is required to select a higher range in order to obtain
a correct reading.
3.
In each range, the meter has input impedance of 10 MΩ. This effect
can cause measurement errors in high impedance circuits. If the circuit
impedance is less than or equal to 10kΩ, the error is negligible
(0.1% or less).
4. When DC voltage measurement has been completed, disconnect
the connection between the testing leads and the circuit under test.
AC Voltage Measurement (see figure 2)
Warning
To avoid injury to you or damage to the meter from electric shock, please do not attempt to measure voltages higher than
500V RMS although readings may be obtained.
The AC voltage measurement positions are 200V and 500V. To measure AC voltage, connect the multimeter as follows:
1. Insert the red test lead into the VΩmA terminal and the black test lead into the COM terminal.
2. Set the knob of multimeter to an appropriate measurement position in V~ range.
3. Connect the test leads to the object being measured.
4. The measured value shows on the display, which is effective value of sine wave (mean value response).
Note
1. If the value of voltage to be measured is unknown, use the maximum measurement position (500V) and reduce the range
the range by step until a satisfactory reading is obtained.
2. The LCD displays “1” indicating the existing selected range is overload is overload; it is required to select a higher range
in order to obtain a correct reading.
3. In each range, the meter has an input impedance of 10 MΩ. This loading effect can cause measurement errors in high
impedance circuits. If the circuit impedance is less than or equal to 10kΩ, the error is negligible (0.1% or less).
4. When AC voltage measurement has been completed, disconnect the connection between the testing leads and the circuit
under test.
Figure 2
