Measuring Resistance; Resistance Measurement - ADInstruments AD71B Manual De Usuario

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DC True RMS value in the primary display. To exit, please EXIT button.
Note
z If the value to be measured is unknown, use the maximum measurement position
and reduce the range step by step until a satisfactory reading is obtained.
z When the measured current is ≤ 5A, continuous measurement is allowed.
z When the measured current is between 5A-10A, continuous measurement ≤ 10
seconds and interval more than 15 minutes.
z When current measurement has been completed, disconnect the connection
between the testing leads and the circuit under test and remove testing leads away
from the input terminals of the Meter.

Measuring Resistance

C.
Black
Red
Figure 3-3. Resistance Measurement
Warning
To avoid harms to you, please do not attempt to input voltage higher than
60V DC or 30V rms AC.
To avoid possible damages to the Meter or to the devices under test,
disconnect circuit power and discharge all the high-voltage capacitors
before measuring resistance.
To measure resistance, set up the Meter as shown in Figure 3-3 and follow the
following procedure:
1. Insert the red test lead into the terminal and the black test lead into the COM
terminal.
2. Set the rotary switch to
3. Connect the test leads across with the object being measured.
The measured value shows on the display.
The BLUE button cycles among resistance, continuity, and diode.
Note:
z When measuring low resistance, the test leads can add 0.1 to 0.2 of error to
resistance measurement. To test the leads, touch the probe tips together and read
the resistance of the leads. If necessary, you can press REL
subtract this value.
z For high-resistance measurement (>1M ), it is normal taking several seconds to
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; press BLUE button to select measurement mode.
Manual de usuario AD71B
AD Instruments
to automatically
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