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15B+/17B+/18B+
Users Manual
12
Test Diodes
Caution
To prevent possible damage to the Product or
to the equipment under test, disconnect
circuit power and discharge all high-voltage
capacitors before you test diodes.
1. Turn the rotary switch to
.
2. Push twice to activate Diode Test.
3. Connect the red test lead to the
terminal and the
black test lead to the COM terminal.
4. Connect the red probe to the anode side and the black
test lead to the cathode side of the diode being tested.
5. Read the forward bias voltage value on the display.
6. If the polarity of the test leads is reversed with diode
polarity, the display reading shows . This can be
used to distinguish the anode and cathode sides of a
diode.
Measure Capacitance
Caution
To prevent damage to the Product,
disconnect circuit power and discharge all
high-voltage capacitors before you measure
capacitance.
1. Turn the rotary switch to
.
2. Connect the red test lead to the
terminal and the
black test lead to the COM terminal.
3. Touch the probes to the capacitor leads.
4. After allowing the reading to stabilize (up to 18
seconds), read the capacitance value on the display.
Measure Temperature (17B+ only)
To measure temperature:
1. Turn the rotary switch to .
2. Plug the thermocouple into the
and COM
terminals of the Product.
Ensure that the thermocouple plug marked with “+” is
inserted into the
terminal on the Product.
3. Read the temperature on the display.
4. Push to switch between °C and °F.
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