Seaward ARE 1557 - Manual (Page 14)

ERT1557
Operating Instructions
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5.3.2 Connect the Es and E test leads to the test point.
5.3.3 Connect the H and S test leads to the 2 test
spikes as shown in figure 3.
5.3.4 Press and release the TEST key. The measured
resistance will appear on the LCD after a few
seconds. To save the result, refer to section 6.2.
5.4 R
A
Using current clamp
Always ensure that the circuit under test is
<30Vrms.
5.4.1 Rotate the rotary switch until the R
A
test is
selected.
5.4.2 Connect the Es and E test leads to the test point.
5.4.3 Connect the H and S test leads to the 2 test
spikes as shown in figure 4.
ERT 1557
Top panel
End Panel
Clamp input
C
L
A
MP
E ES S H
R R R R
E1 E2 E3 En
Potential
Electrode
Current
Electrode
Figure 4