Operating Instructions
Nut Function:
Rotate the nut, the metal probes can hide in the head of the instrument.
Button function:
Mode button: Chose DC/AC when you Measure voltage or Current , Chose resistance,
diode , continuity when you measure resistance, diode , continuity.
Range button: manual change range or Auto change range.
Hold button: Freeze the current test value.
Power OFF:
Rotate the function switch to the character “OFF”on the instrument for Turnning off
the power
DC/AC VOLTAGE MEASUREMENTS
CAUTION: DO not measure DC/AC voltages if a motr on the circuit is being switched ON or
OFF. Large voltage surges may occur that can damage the meter.
Rotate the function switch to the character “”on the instrument , press Mode
Button to choose DC or AC Voltage , Touch the black test probe tip to the negative side
of the circuit. Touch the metal probe tip to the positive side of the circuit. Read the voltage
in the display.
RESISTANCE MEASUREMENTS
Rotate the function switch to the character “”on the instrument
1.Press the MODE button to change “ “’’, “ ”on the display.
2.If the resistance is less than approximately 30
3.Touch the test probes to the diode under test. Forward voltage will typically indicate
0.400 to 0.700V. Reverse voltage will indicate “OL”. Shorted devices will indicate near 0V
and an open device will indicate “OL” in both polarities.
DC/AC CURRENT MEASUREMENTS
CAUTION: Do not make more than 400mA current measurements for
longer time . it will damage the instruction.
Rotate the function switch to the character “ ” on the instrument, press Mode
Button to choose DC or AC Current , Touch the black test probe tip to the negative side
of the circuit. Touch the metal probe tip to the positive side of the circuit. Read the voltage
in the display.
NON- CONTACT VOLTAGE
Rotate the function switch to the character “NCV”on the instrument, let the head of the
instrument near the meausred matter, if the voltage of the matter more than 50V ,the
NCV indication will light.
