-8-
2-6. Resistance
Maximum Open Circuit Voltage: 3V.
Overload Protection: 15 seconds maximum 220Vrms.
3. OPERATING INSTRUCTIONS
3-1. AC Current Measure
1. Make sure that “Data Hold” Switch is not pressed.
2. Set Range Switch to the ACA 1000A range. If the display
indicates one or more leading zeros. Shift to the 200A range
to improve the resolution of the measurement.
3. Press the trigger to open the transformer jaws
and clamp one conductor only it is impossible to make
measurements when two or three conductors are clamped at
the same time.
4. Display reading is flow the conductorAC current.
3-2. Insulation Resistance Tester
1. Set Range Switch to the insulation tester 2000MΩ range.
This condition the display value is unstable that is normal.
2. The insulation tester unit VΩ-COM-EXT three banana
plugs insert to clamp meter VΩ-COM-EXT three input
connector.
3. Set the insulation tester unit range switch to the 2000MΩ
position.
4. Use the insulation tester unit of the test leads.
5. Set the insulation tester power switch to the ON position.
6. Depress the PUSH 500V push-push switch, the 500V on
red LED lamp will light. Clamp meter display reading is the
insulation resistance value if the reading is below 19MΩ,
change clamp meter and insulation tester unit to 20MΩ
range, can be increase the accuracy.
7. If the insulation tester unit is not use the power switch
must shift to power OFF position, and the test leads must
leave the E-L input connect, that can be increase battery life
and prevent electrical shock hazard.
3-3. DC & AC Voltage Measurement
1. Connect red test lead to “VΩ” jack, Black lead to “COM” jack.
2. Set RANGE switch to desired VOLTAGE position, if the
voltage to be measured is not known beforehand, set switch
to the highest range and reduce it until satisfactory reading is
obtained.
3. Connect test leads to device or circuit being measured.
4. Turn on power of the device or circuit being measured
voltage value will appear on Digital Display along with the
voltage polarity.
3-4. Resistance Measurement
1. Red lead to “VΩ”. Black lead to “COM”.
2. RANGE switch to desired Ω position.
3. If the resistance being measured is connected to a circuit,
turn off power and discharge all capacitors before
measurement.
4. Connect test leads to circuit being measured.
5. Read resistance value on Digital Display.
3-5. Audible Continuity Test
1. Red lead to “VΩ”,Black lead to “COM”.
2. RANGE switch to “ ” position.
3. Connect test leads to two points of circuit to be
tested. If the resistance is lower then 30Ω±20Ω, the buzzer
will sound.
4. BATTERY REPLACEMENT
If “ ” appears in display, it indicates that the battery should
be replaced.
5. ACCESSORIES
• Operator’s instruction manual
• Set of test leads
• Gift box
• 9-volt battery, NEDA 1604 6F22 type.
Range Resolution Accuracy
200Ω 0.1Ω ±(1.0% of rdg + 10D)
20KΩ 10Ω ±(1.0% of rdg + 4D)
