Earth/Ground Tester
Display
9
Display
The display is a 4-digit (2999 Digit), 7 segment liquid crystal display (Table 4).
Table 4. Display Elements
1
2
3
5
7
8
9
10
11
6
4
edw004.eps
Item Description
Test Type
U
ST
Interference voltage (AC + DC)
F
ST
Frequency of interference voltage
F
M
Frequency of measuring voltage
U
M
Measuring voltage limit 20/48 V
R
E
Earthing resistance
R
H
Auxiliary earth electrode resistance
R
S
Probe resistance
R
K
Compensation resistance
R
1
, R
2
Low voltage measurement with polarity indication
R ~ AC- resistance
R
*
Earthing impedance (measuring frequency 55 Hz)
Measurement
Measurement Unit: V, Ω, kΩ, Hz
Symbols Key
Recognition of current transformer socket
Socket recognition
Measuring circuit ( E-S,E-H ) interrupted or measured value unstable
Error
Measuring sequence in process
Limit value/Limit value exceeded
Warning for exceeded limit
Battery level indicator
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