Ac Current Measurements - Fluke 279 FC User Manual

AC Current Measurements

XW Warning
To prevent possible electrical shock, fire, or
personal injury:
Do not measure ac current in circuits carrying
•
more than 1000 V or 2500 A with the Flexible
Current Probe.
• Do not apply the Flexible Current Probe around
or remove from HAZARDOUS LIVE conductors.
• Do not use the Flexible Current Probe if the
inner contrasting insulation color is showing.
• Take special care during fitting and removal of
the Flexible Current Probe. Deenergize the
installation under test or wear suitable
protective clothing.
True-rms Thermal Multimeter
To measure:
1. Connect the iFlex Current Probe to the input on the
Multimeter. See Figure 10.
2. Center the conductor perpendicularly inside the flexible
probe area. If this is not possible, an additional
measurement error of ±2 % of reading can occur.
3. Avoid taking measurements close to other current-
carrying conductors if possible.
4. Keep the probe coupling more than 2.5 cm (1 inch) away
from the conductor.
5. Observe the ac current value.
Basic Measurements
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