Continuity Check; Diode Test; Temperature Measurements - Extech Instruments EX410A User Manual

CONTINUITY CHECK

1. Set the function switch to the
2. Insert the black lead banana plug into the negative COM jack.
3. Touch the test probe tips to the circuit or wire you wish to check.
4. If the resistance is less than approximately 150 , the audible signal will

DIODE TEST

1. Insert the black test lead banana plug into the negative COM jack and the
2. Turn the rotary switch to the
3. Touch the test probes to the diode under test. Forward bias will typically

TEMPERATURE MEASUREMENTS

1. Set the function switch to the TEMP position.
2. Insert the Temperature Probe into the Temperature Socket, making sure to
3. Press the ºC or ºF button for the desired units.
4. Touch the Temperature Probe head to the part whose temperature you
5. Read the temperature in the display.
Note: The temperature probe is fitted with a type K mini connector. A mini
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WARNING: To avoid electric shock, never measure continuity on circuits or wires that have voltage
on them.
Insert the red test lead banana plug into the positive
sound. If the circuit is open, the display will indicate 1 .
red test lead banana plug into the positive diode jack.
indicate 400 to 1000. Reverse bias will indicate 1
indicate near 0 and the continuity beeper will sound. An open device will
indicate 1 in both polarities.
observe the correct polarity.
wish to measure. Keep the probe touching the part under test until the
reading stabilizes.
connector to banana connector adaptor is supplied for connection to the
input banana jacks.
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position.
jack.
position.
. Shorted devices will
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