Fluke SMFT-1000 Multifunction PV Tester & I-V Curve Tracer

$5,455.00

The Fluke SMFT-1000 combines PV safety verification and performance testing in one portable instrument for solar installation and maintenance professionals. It supports insulation, polarity, protective conductor, voltage, current, and I-V curve testing for photovoltaic systems.

With on-site I-V curve comparison and TruTest™ software integration, the SMFT-1000 helps technicians verify new installations and identify performance changes in existing PV modules and strings.

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The Fluke SMFT-1000 Multifunction PV Tester and Performance Analyzer is designed for professionals responsible for the installation, commissioning, inspection, and maintenance of photovoltaic systems. Rather than using separate instruments for electrical safety checks, PV performance measurements, and I-V curve analysis, the SMFT-1000 brings these functions together in one dedicated solar testing platform. It is designed for PV systems operating at up to 1000 V DC and conforms to the testing requirements of IEC 62446-1.

For IEC 62446-1 Category 1 testing, the SMFT-1000 provides a sequence of key PV electrical safety measurements, including protective conductor resistance, open-circuit voltage, short-circuit current, insulation resistance, and polarity. This allows technicians to verify essential installation conditions during commissioning and periodic inspection. For systems with module efficiency above approximately 19%, the tester can measure operational current instead of short-circuit current when configured for the applicable Category 1 requirements.

For Category 2 performance testing, the SMFT-1000 adds I-V curve tracing, together with irradiance, temperature, tilt, and cardinal direction measurements. The I-V curve can be viewed directly on the instrument while testing, allowing technicians to compare measured results with manufacturer module data without needing a laptop or tablet at the PV site.

The tester measures PV open-circuit voltage from 5 V to 1000 V and PV short-circuit current from 0.2 A to 20 A, with the appropriate accessories used for the measurement application. This makes the SMFT-1000 suitable for testing individual PV modules as well as connected PV strings.

The SMFT-1000 also supports efficient project documentation through Fluke TruTest™ Solar Software. Test results, visual inspection observations, and I-V curve data can be transferred to the software for organization, comparison, analysis, and report generation. Historical site data can also be compared to identify changes in PV system performance over time.

Key Features

  • Multifunction PV tester and performance analyzer
  • Integrated I-V curve tracer
  • Designed for PV systems up to 1000 V DC
  • Supports IEC 62446-1 Category 1 and Category 2 testing
  • PV open-circuit voltage measurement up to 1000 V DC
  • PV short-circuit current measurement up to 20 A DC
  • Protective conductor resistance testing
  • Insulation resistance testing
  • Polarity testing
  • Operational current measurement for applicable high-efficiency PV modules
  • On-site I-V curve display and manufacturer data comparison
  • Irradiance and temperature measurement
  • PV module tilt and cardinal direction measurements
  • Visual inspection observations can be recorded in instrument memory
  • Fluke TruTest™ Solar Software compatibility
  • Data storage, analysis, comparison, and reporting
  • Suitable for PV installation, commissioning, inspection, and maintenance

Typical Applications

  • Solar PV system installation testing
  • PV system commissioning
  • IEC 62446-1 compliance testing
  • PV module and string testing
  • I-V curve analysis
  • Solar system performance verification
  • Periodic PV system inspection
  • PV troubleshooting and fault investigation
  • Solar asset maintenance
  • Comparison of PV performance over time
  • Professional solar installation reporting

Fluke SMFT-1000 Multifunction PV Analyzer

Protective Conductor Resistance (RLo)

Display range Measuring range Resolution Accuracy
0.00 Ω - 19.99 Ω0.20 Ω - 19.99 Ω0.01 Ω± (2 % + 2 Digit)
20.0 Ω - 199.9 Ω20.0 Ω - 199.9 Ω0.1 Ω± (2 % + 2 Digit)
200 Ω - 2000 Ω200 Ω - 2000 Ω1 Ω± (5 % + 2 Digit)
Test current≥ 200 mA (≤ 2Ω + Rcomp)
Test voltage4 V DC … 10 V DC
Polarity reversingYes
Test lead zero (Rcomp)Up to 3 Ω

PV Module/PV String, Open-Circuit Voltage (Voc)

Display range Measuring range Resolution Accuracy
0.0 V - 99.9 V5.0 V - 99.9 V0.1 V± (0.5 % + 2 Digit)
100 V - 1000 V100 V - 1000 V1 V± (0.5 % + 2 Digit)
Polarity testYes

PV Module/PV String, Short-Circuit Current (Is/c)

Display range Measuring range Resolution Accuracy
0.0 A - 20.0 A0.2 A - 20.0 A0.1 A± (1 % + 2 Digit)

Insulation Resistance (RINS)

Display range Measuring range Resolution Accuracy
0.00 MΩ - 99.99 MΩ0.20 MΩ - 99.99 MΩ0.01 MΩ± (5 % + 5 Digit)
100.0 MΩ - 199.9 MΩ100.0 MΩ - 199.9 MΩ0.1 MΩ± (10 % + 5 Digit)
200 MΩ - 999 MΩ200 MΩ - 999 MΩ1 MΩ± (20 % + 5 Digit)
Measuring rangeResolutionAccuracy
Test voltage @ no load50 V / 100 V / 250 V up to 199.9 MΩ
500 V / 1000 V up to 999 MΩ		1 V0 % to + 20 %
Test voltage @ ≥ 1 mA250 V @ 250 kΩ
500 V @ 500 kΩ
1000 V @ 1 MΩ		1 V0 % to + 10 %
Testing currentMin. 1 mA (@ 250 kΩ / 500 kΩ / 1 MΩ)
Max. 1.5 mA (short circuit)

Blocking Diode Checking (Vbd)

Display range Measuring range Resolution Accuracy
0.00 V DC - 6.00 V DC0.50 V DC - 6.00 V DC0.01 V DC± (5 % + 10 Digit)

Surge Protection Device (SPD)

Display range Measuring range Resolution Accuracy
0 V DC - 1000 V DC50 V DC - 1000 V DC1 V DC± (10 % + 5 Digit)

AC/DC Voltage Measurement via 4 mm Test Sockets

Display range Measuring range Resolution Accuracy
0.0 V AC - 99.9 V AC5.0 V AC - 99.9 V AC0.1 V± (2.5 % + 2 Digit)
100 V AC - 700 V AC100 V AC - 700 V AC1 V± (2.5 % + 2 Digit)
0.0 V DC - 99.9 V DC5.0 V DC - 99.9 V DC0.1 V± (2.5 % + 2 Digit)
100 V DC - 1000 V DC100 V DC - 1000 V DC1 V± (2.5 % + 2 Digit)
Detection AC/DCYes (Automatic)
+ / - polarity checkYes

AC/DC Current with i100 Clamp

Display range Measuring range Resolution Accuracy (DC, AC 50 Hz/60 Hz)
0.0 A DC – 100 A DC1.0 A DC – 100 A DC0.1 A± (5 % + 2 Digit) *
0.0 A AC – 100 A AC TRMS1.0 A AC – 100 A AC TRMS0.1 A± (5 % + 2 Digit) *

* i100 clamp tolerances not inclusive

i100 Clamp Tolerances

Display range Measuring range Output signal Accuracy (DC, AC 50 Hz/60 Hz)
N/A1 A - 100 A DC or AC < 1 kHz10 mV/A AC/DC± (1.5 % + 0.1 A)

AC/DC Power Measurement (with i100 Clamp)

Display range Measuring range Resolution Accuracy (DC, AC 50 Hz/60 Hz)
0.0 V AC - 700 V AC
0.0 V DC - 1000 V DC		5.0 V AC - 700 V AC
5.0 V DC - 1000 V DC		0.1 V± (2.5 % + 2 Digit)
0 A AC/DC - 100 A AC/DC1 A AC/DC - 100 A AC/DC0.1 A± (6.5 % + 3 Digit)
0 kW/kVA – 100 kW/kVA5 kW/kVA – 100 kW/kVA1 kW/kVA± (10 % + 4 Digit)

General Specifications

SMFT-1000 size10 cm x 25.0 cm x 12.5 cm (3.8 in x 9.8 in x 4.9 in)
SMFT-1000 weight1.4 kg (3.09 lb)
Battery6 AA IEC LR6
Operating temperature0 °C to 50 °C (32 °F to 122 °F)
Storage temperature-30 °C to 60 °C (-22 °F to 140 °F) batteries removed
Operating altitudeup to 2000 m
Storage altitudeup to 2000 m

Safety

SMFT-1000 PV AnalyzerIEC 61010-1 Pollution Degree 2
IEC 61010-2-034 CAT III 1000 V dc, CAT III 700 V AC
i100 Current ClampIEC 61010-2-032, Type D (for insulated conductors), 1000 V
AccessoriesIEC 61010-031
TL1000-MC4CAT III 1500 V, 20 A
TP1000 Remote Probe (with cap)CAT IV 600 V, CAT III 1000 V, 10 A
TP1000 Remote Probe (without cap)CAT II 1000 V, 10 A
TL1000 Test LeadsCAT III 1000 V, 10 A
TL1000/30M Test LeadsCAT III 1000 V, CAT IV 600 V,
5 A (on reel) 10 A (fully extended)
TP74 Test Probes (with cap)CAT III 1000 V, 10 A
TP74 Test Probes (without cap)CAT II 1000 V, 10 A
AC285 Alligator ClipCAT III 1000 V, 10 A
PerformanceIEC 61557-1, IEC 61557-2, IEC 61557-4, IEC 61557-10

Electromagnetic Compatibility (EMC)

InternationalIEC 61326-1: Portable Electromagnetic Environment, CISPR 11: Group 1, Class A
Group 1: Equipment has intentionally generated and/or uses conductively-coupled radio frequency energy that is necessary for the internal function of the equipment itself.
Class A: Equipment is suitable for use in all establishments other than domestic and those directly connected to a low-voltage power supply network that supplies buildings used for domestic purposes. There may be potential difficulties in ensuring electromagnetic compatibility in other environments due to conducted and radiated disturbances.
Caution: This equipment is not intended for use in residential environments and may not provide adequate protection to radio reception.

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