Performing mains voltage testing, Performing a protective earth resistance test – Fluke Biomedical ESA620 User Manual
Page 32

ESA620
Users Manual
18
Performing Mains Voltage Testing
The Mains Voltage test measures the voltage on the
mains input through three separate measurements. To
access the Mains Voltage test, press . If the
selected standard is IEC61010, then an additional step is
required. Press the softkey labeled Mains Voltage. The
Mains Voltage test menu is shown in Figure 9.
faw14.eps
Figure 9. Mains Voltage Test Menu
Press each function softkey to perform each of the three
measurements: Live to neutral, neutral to earth, and live
to earth.
Note
Power to the test receptacle is off during the
Mains Voltage test.
Performing a Protective Earth Resistance Test
The Protective-Earth-Resistance test measures the
impedance between the Analyzer’s test receptacle’s PE
terminal and the exposed conductive parts of the DUT
that are connected to the DUT’s Protective Earth.
Prior to conducting any leakage tests with the Analyzer, it
is best to test the integrity of the ground connection
between the Analyzer’s test receptacle ground and the
DUT’s Protective earth ground or enclosure with this test.
To access the Protective Earth (Ground Wire Resistance)
Test menu press .
Note
The DUT is powered off for this test.
The Protective-Earth (Ground Wire) resistance
measurement can be taken using either a 2-Wire or 4-
Wire resistance measurement. To select between the two
measurement methods, refer to the “Selecting 2-Wire or
4-Wire Measurements” section.