Major tech MT 770 Руководство по эксплуатации - Страница 12
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4.5. Capacitance Measurements
WARNING: To avoid electric shock, disconnect power to the unit under
test and discharge all capacitors before taking any capacitance
measurements. Remove the batteries and unplug the line cords.
1. Set the rotary function switch to the Ω
2. Insert the black test lead banana plug into the negative COM jack.
Insert the red test lead banana plug into the positive V jack.
3. Press the MODE / INRUSH button to change to capacitance
measurements.
4. Touch the test leads to the capacitor to be tested.
5. Read the capacitance value in the display.
4.6. Frequency or % Duty Cycle Measurements
1. Set the rotary function switch to the "VAC/Hz/%" position.
2. Insert the black lead banana plug into the negative COM jack and the
red test lead banana plug into the positive V jack.
3. Select Hz or % duty with the MODE / INRUSH button.
4. Touch the test probe tips to the circuit under test.
5. Read the frequency on the display.
4.7. Temperature Measurements
WARNING: To avoid electric shock, disconnect both test probes from
any source of voltage before making a temperature measurement.
1. Set the function switch to TEMP.
2. Insert the Temperature Probe into the negative COM and the V jacks,
making sure to observe the correct polarity.
3. Touch the Temperature Probe head to the part whose temperature you
wish to measure. Keep the probe touching the part under test until the
reading stabilizes (about 30 seconds).
4. Read the temperature in the display. The digital reading will indicate the
proper decimal point and value.
WARNING: To avoid electric shock, be sure the thermocouple has been
removed before changing to another measurement function.
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CAP position.