9
DIGITAL AUTO RANGING MULTIMETER
Diode Test
WARNING!
To avoid electrical shock and/or damage to the instrument, disconnect circuit power and discharge all high-
voltage capacitors before testing diodes.
1.
Connect the BLACK test lead (10) to the “COM” Jack (6) and the RED test lead (10) to the “VΩ” jack (7).
Note:
The polarity of the RED test lead (10) is positive “+”.
2.
Set the Range Switch (3) to “
” range.
3.
Press the “ /
/
/~ ” Button (8) to select the diode measurement mode, and the symbol“
” will appear as an indicator.
4.
Connect the RED test lead (10) to the anode of the diode to be tested and the BLACK lead (10) to the cathode.
5.
The meter will show the approximate forward voltage of the diode. If the connections are reversed, “OL” will be shown on the
display.
Transistor Test
WARNING!
To avoid electrical shock and/or damage to the instrument, before attempting to insert transistors for testing,
always be sure that the test leads have been disconnected from any measurement circuits.
1.
Set the Range Switch (3) to hFE range.
2.
Connect the Multi Function Capacitance Transistor (11) to the “COM” Jack (6) and the “mA” jack (5) . Ensure the writing on
the Multi Function Capacitance Transistor (11) is correctly orientated. Identify whether the transistor is NPN or PNP type and
locate Emitter, base and collector lead. Insert the leads of the transistor to be tested into the proper holes of the Capacitance
Transistor (11).
3.
LCD display (1) will show the approximate hFE value.
Capacitance Measuring
WARNING!
To avoid electrical shock and/or damage to the instrument, disconnect circuit power and dischrage all high-
voltage capacitors before measuring capacitance.
1.
Connect the BLACK test lead (10) to the “COM” Jack (6) and the RED test lead to the “mA” jack (5).
2.
Set the Function Switch (3) at to the capacitance mode; nF or µF (nano farad or micro farad).
3.
Connect test leads (10) across the capacitor under measure and be sure the polarity of connection is observed.
Note:
When the capacitance under measure is above 100uF, it needs at least 30 seconds to make the readings stable.
Frequency Measuring
1.
Set the function range switch to th erequired “Hz” position.
2.
Connect the BLACK test lead (10) to the “COM” jack (6) and the RED test lead (10) to the “VΩ” jack (7).
3.
Connect the test leads (10) across the load to be measured.
Note:
Do NOT apply more than 250V rms to the input.
Summary of Contents for K8315
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