51
Simplified Measurement for Earth Resistance
(Simplified Measurement Method, Two-pole Method)
Measuring earth resistance
Press
MEASURE
button so that the device automatically executes
the following measurements in sequence. The measured value
appears in approx. 3 seconds and
lights up.
1
Check earth potential.
Check whether or not the peak value of the earth potential
is within the allowable range.
2
Measure earth resistance.
Measure the sum (Rx + Ro) of the earth resistance of
earthing electrode and the earth resistance on the neutral
side of commercial power supply.
Stowing
1
Press the button to turn it off for safety.
2
Remove the test leads from the measurement terminals and
fit the cover of the measurement terminal. (p.42)
3
Fold the test leads together and stow it into the carrying case.
www.calcert.com
1.800.544.2843
0
5
10
15
20
25
30
