MRU-200-GPS OPERATING MANUAL Version 1.06
19
Use and buttons
to set the
measuring voltage and press
ENTER
.
Press
START
to begin
measurement.
View the result.
Current probe resistance
Voltage probe resistance
Additional uncertainty caused by the
resistance of the probes.
Displayed, when
δ>30%
By pressing the
F4
button you can display GPS coordinates.
The result is displayed for 20s. It may be displayed again by pressing
ENTER
.
S
Repeat the measurements a few times (see points 3, 7 and
8) each time moving the voltage probe a few feet / a couple
of meters, both to and away from the earth ground electrode
under test. If after several measurements, the R
E
test results
differ more than 3%, then significantly increase the distance
between the current probe from the earth electrode under
test, and repeat the measurement procedure again.