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SMFT-1000
Users Manual
18
Resistance Test (R
LO
)
The PV Analyzer measures protective conductor resistance () with a test current ≥200 mA
(@2 Ω) for:
Earthing and Equipotential Bonding Conductors to IEC 62446-1 Clause 6.1
Lightning Protection System (LPS)
Grounding System
Resistance of Earthing and Equipotential Bonding Conductors
To measure the resistance of earthing and equipotential bonding conductors:
1. Turn the rotary switch to
.
2. Use
to select Equipotential Bonding.
3. Push
to select One Shot (default mode) and follow the on-screen prompts.
4. Connect the green test lead to the central PE connector / ground.
5. Connect the yellow test lead to the measurement point.
This could be the metal frame of the module or the rails of the solar mounting system.
6. Push
ether on the PV Analyzer or on the Remote Probe.
In this mode the PV Analyzer does a short measurement (R
LO
+) followed by a second short
measurement (R
LO
-) with reversed polarity.
The PV Analyzer shows both results when the measurement is complete and selects the
highest measurement (worst) as the main result. Based on the chosen limit, all three results
are determined as PASS or FAIL.
The PV Analyzer also shows the value of the test current applied during the resistance test
(I
RLO
).
Lightning Protection Conductor Wiring
To measure resistance in Lightning Protection System (LPS):
1. Turn the rotary switch to the R
LO
position.
2. Use
to select Lightning Protection Conductor.
3. Push
to select One Shot (default mode) and follow the on-screen prompts.
In this mode the PV Analyzer does a short measurement (R
LO+
) followed by a second short
measurement (R
LO-
) with reversed polarity. The PV Analyzer shows both results when the
measurement is complete and selects the highest measurement (worst) as the main result.
Based on the chosen limit, all three results are determined as PASS or FAIL.
1.888.610.7664 sales@GlobalTestSupply.com
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