1
Introduction
The Fluke SMFT-1000 Multifunction PV Analyzer (the PV Analyzer or the Product) is a battery-
operated analyzer for installation testing and periodic inspection of mains-coupled
photovoltaic (PV) systems.
Ta b l e 1 is a list of the main functions.
Table 1. Fu n c tions
Function Includes
Category 1 test
regime
Visual inspection checklist
Protective conductor resistance (R
LO
) measurement with a testing
current ≥200 mA (@2 Ω)
Polarity check with automatic display of the voltage polarity and
acoustic/visual warning for wrong polarity
Open-circuit voltage (V
OC
) measurement at the PV model/string with
up to 1000 V dc
Short-circuit (I
SC
) current measurement at the PV model/string with up
to 20 A dc
Insulating resistance (R
INS
) measurement with a testing voltage of
50 V, 100 V, 250 V, 500 V, 1000 V
Blocking diode measurement (V
BD
) with Method 1 and Method 2
(IEC 62446-1)
Bypass diode measurement of panel when covered or in darkness
Surge protection device (SPD)
Functional test
Power measurements on DC and AC side to check efficiency
Voltage DC/AC measurement
Current DC/AC measurement with clamp adapter i100
Functional test checklist
Category 2 test
regime
Solar panel string I-V curve test that includes Solar PV I-V curve
tracing and associated software for analysis, reporting, and
certification and includes I-V curve analysis and reporting features
Long-term monitoring of insulation errors (non-direct wet insulation test) and 24-hour
periodical measurement of R
INS
(adjustable time period)
Computer software - download, upload, review, analyze, and print test results
Communication with remote sensor (solar irradiation, inclination, temperature)
Communication with computer
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