Fluke 279FC User Manual - Page 33
AC Current Measurements, the Flexible Current Probe. Deenergize
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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 Basic Measurements 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 currentcarrying 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. 23