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Measuring Dc Voltage; Measuring Ac + Dc Voltage (True Rms); Measuring Ac Voltage (True Rms); Preparing For Current Measurements - Amprobe 38XR-A Bedienungshandbuch

Professional digital multimeter
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Measuring DC Voltage

1. Set the Function Switch to v.
2. If RANGE is displayed, press the RANGE button to enable autoranging.
3. Connect the Test Leads: Red to E, Black to COM
4. Connect the Test Probes to the circuit test points.
5. Read the display, and, if necessary, correct any overload (o) conditions.
Measuring AC + DC Voltage (True rms)See Figure
See Additional Features to find out the advantages of true rms.
1. Set the Function Switch to v.
2. If DC is displayed, press the yellow button to turn on AC+DC.
3. If RANGE is displayed, press the RANGE button to enable autoranging.
4. Connect the Test Leads: Red to E, Black to COM
5. Connect the Test Probes to the circuit test points.
6. Read the display, and, if necessary, correct any overload (o) conditions.

Measuring AC Voltage (True rms)

See Additional Features to find out the advantages of true rms.
1. Set the Function Switch to V.
2. If dBm is displayed, press the yellow button to turn on AC.
3. If RANGE is displayed, press the RANGE button to enable autoranging.
4. Connect the Test Leads: Red to E, Black to COM
5. Connect the Test Probes to the circuit test points.
6. Read the display, and, if necessary, correct any overload (o) conditions.

Preparing for Current Measurements

Turn off circuit power before connecting the Test Probes.
Allow the meter to cool between measurements, if current measurements
approach or exceeds 10 amps.
A warning tone sounds if you connect a test lead to a current input while a
current function is not selected.
Open circuit voltage at the measurement point must not exceed 1000 V.
Always measure current in series with the load. Never measure current across a
voltage source.
See Figure
See Figure
4
-1-
-2- & -3-
-2- & -3-

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