NOTE :
1. When input terminals is in open circuit, overload displays “
”.
OL
2. There is 1mA current flows through the diode under test.
3. The meter displays the forward voltage drop in mili-volts and overload when the diode is reversed.
4.7 FREQUENCY MEASURING
1. Connect the test leads or shielded cable to “V
W
Hz” and COM terminal.
2. Set the knob to frequency range, connect test leads or cable across to the signal source or load
under tested.
NOTE :
1. Do not input voltage over 2 0Vrms, when input is over 10Vrms, reading is workable but the
5
accuracy might be overrange.
2. In noisy environment, it is preferable to use shielded cable for measuring small signal.
3. Be careful when measuring high voltage circuit.
4.8 CAPACITANCE MEASURING
1. Connect the test leads or shielded cable to “V
W
Hz” and COM terminal.
2. Set the knob to capacitance range, connect the test leads across to the resistance under test
3. If zero is not displayed in the LCD, Just press “REL” key.
...
...
10
NOTE :
1. If the current under measure is unknown beforehand, start from the highest range and work down.
2. If only the MSD displays “
”, it means overrange, should set to a higher range.
OL
3. The max. Input current is 2A for “mA” and 20A for “20A”, large current will blow the fuse. Be careful when
measuring 20A range, large current will make the circuit heat, even make the circuit damaged.
4. Max. measuring voltage drop is 200mV.
