Diode Testing (Acd-20Sw); Temperature Measurement (Acd-21Sw / Acd-21Swc Only); Non-Contact Voltage Indicator - Amprobe ACD-20SW Manual De Uso

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Diode Testing (ACD-20SW)

1. Set the Function Swith to "  " position.
2. Connect the red test lead to the "Ve" jack and the black test lead to the
"COM" jack.
3. Turn off power to the circuit under test. External voltage across the
components may cause invalid readings.
4. Connect the probes to the diode. A forward-voltage drop is about 0.6V
(typical for a silicon diode).
5. Reverse probes connection with the diode. If the diode is good, "OL"
isdisplayed. If the diode is shorted, "0.00" or another number is displayed.
6. If the diode is open, "OL" is displayed in both directions.
7. Audible Indication: Less than 0.25V.

Temperature Measurement (ACD-21SW / ACD-21SWC only)

1. Verify that the location being tested is not electrically energized.
2. Set the Function Switch to Temp position.
3. Move the slide knob to the TEMP position. Insert the thermocouple plug
matching the slot widths.
4. Connect the thermocouple bead to the test point. Refer to Fig.6
5. Read the display. If 0L appears on the display, the temperature is too large
to be measured or the thermocouple is open.
6. ACD-21SW - Fahrenheit
ACD-21SWC - Celsius
7. Setting up for 400°C or 400°F measurements: Open bottom case, and find
the jumper (next to jack) on (400°C) when the jumper is short, and reads in
degree Fahrenheit (400°F) when the jumper is open.
Note: The test leads must be removed to move the slide plate to allow the
thermocouple to be inserted.

Non-Contact Voltage Indicator

1. Remove the test leads from the meter. Push the "NCV" button at any
selected function/Range. Then the display will be shut down and LED
flashes with a short "chirp" sound for self-test. Refer to Fig. 7
2. With the NCV tab on the tip of the clamp close to an AC voltage, Press the
"NCV" button, the NCV LED will light and the beeper will beep. The closer
you get to AC voltage, the louder the beep.
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