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Earth/Ground Tester
Description of the Operating Elements
23
Description of Display Elements
The display (Figure 5) is divided into four display elements:
1. Digital display of measured value
2. Measuring function field to display measuring function
3. Unit field: V, Ω, kΩ, Hz
4. Special characters for operator guidance
1
4
2 3
edw008.eps
Figure 5. Display Elements
Description of display symbols:
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