6
Notes
• In a circuit, a good diode should still produce a forward voltage drop reading of 0.5V to 0.8V; however; the
reverse voltage drop reading can vary depending on the resistance of other pathways between the probe tips.
• Connect the test leads to the proper terminals to avoid error display. The LCD displays OL indicating open-
circuit for improper connection.
• Open circuit voltage is approximately 3V.
4.7 CAPACITANCE
WARNING
To avoid damage to the meter or to the equipment under test disconnect circuit power and discharge
capacitors before measuring capacitance.
The beeper sounds continuously for open conditions
1. Insert the red test lead into the
terminal and the black test lead into the COM terminal.
2. Set the rotary switch to
measurement mode, the Meter may display a fixed reading which is an internal distributed
capacitor value.
3. To improve the measurement accuracy of small value capacitors (less than 10nF) press REL∆ with the test leads open
to subtract the residual capacitance of the Meter and test leads.
Notes:
• If “OL” displays this indicates that the tested capacitor is shorted or it exceeds the maximum range.
• Capacitors larger than 400µF take more time to measure.
4.8 FREQUENCY Hz
WARNING
To avoid personal injury do not attempt to measure voltage higher than 60V DC 30V AC during frequency
measurement.
The measurement ranges for frequency are between 10Hz and 10MHz auto ranging on this meter.
1. Insert the red test lead into the Hz terminal and the black test lead into the COM terminal.
2. Set the rotary switch to Hz.
3. Connect the test leads across the component being measured.
4. Read the value on the display.
5.0 BATTERY REPLACEMENT
WARNING
To avoid false readings, which could lead to possible electric shock or personal injury, replace the battery as
soon as the low battery indicator appears.
1. Disconnect the connection between the test leads and the circuit under test, and remove the test leads from the input
terminals of the meter.
2. Turn the Meter power off.
3. Remove the rubber boot from the meter.
4. Remove the 3 screws from the case bottom, and separate the case top from the case bottom.
5. Remove the battery from the contacts, noting the polarity of the battery terminals and contacts.
6. Replace with one fresh 9 volt battery. (NEDA 1604 6F22 006P)
Note: Do not use rechargeable batteries in this unit.
7. Carefully rejoin the case bottom and case top. Do not overtighten the screws as this may strip the threads in the meter
housing.
8. Reinstall rubber boot.
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