Insulation tester SMFT-1000

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Summary
The SMFT-1000 Solar Tools Kit is a multifunction PV analyzer for installation, commissioning and periodic inspection of photovoltaic systems up to 1000 V DC. The kit integrates on-site I‑V curve tracing, safety and performance test sequences to IEC 62446-1, and wireless irradiance measurement via the IRR2-BT. Fluke TruTest™ compatibility enables database import, reporting and historical comparison of test data.

Key features

• All-in-one PV test solution for IEC 62446-1 Category 1 and Category 2 workflows
• On-site I‑V curve tracing with live comparison to manufacturer I‑V data
• Open-circuit voltage (Voc) measurement to 1000 V DC and current measurement to 20 A DC (operational current mode for high-efficiency modules)
• Includes IRR2‑BT wireless irradiance meter and support for the i100 AC/DC current clamp
• Data export and reporting via Fluke TruTest™ software

Product overview
The SMFT-1000 is designed for PV professionals and service teams. It provides guided on-screen sequences, an auto test mode (with optional insulation testing), and a color display that plots I‑V curves during sweeps. TruTest™ integration streamlines setup using a large panel database and simplifies report generation.

Critical testing features

• IEC 62446-1 Category 1 safety sequence: protective conductor resistance (Rpe), Voc, short-circuit/operational current (Isc / operating current), insulation resistance (Rins), polarity
• IEC 62446-1 Category 2 performance tests: I‑V curve tracing with concurrent irradiance and module temperature measurement, tilt and orientation inputs
• Operational current measurement for modules ≳19% efficiency (use i100 clamp where required)

Fluke TruTest™ Solar Database App
The TruTest™ app integrates with the SMFT-1000 to import manufacturer panel specifications from a comprehensive database (120,000+ panels), accelerating I‑V test configuration and enabling standardized reports for clients and asset records.

Kit contents (what's in the box)

• Fluke SMFT-1000-BP professional tool backpack
• SMFT-1000 multifunction PV analyzer (carry strap, fuse pack, optical‑to‑USB IRDA adapter, zero adapter)
• IRR2‑BT wireless irradiance meter Pro (80PR‑IRR external temperature probe, mounting bracket)
• i100 AC/DC current clamp 100 A (with TPAK magnet set)
• TP1000 test probe with remote test button
• TL1000 test lead set, TL1000‑MC4 test lead set, TL1000/30M reel lead
• Coupler set and hard carry case

Field use and ergonomics
Auto Test Mode and guided instructions reduce setup errors on site. The wireless IRR2‑BT supplies irradiance and temperature during sweeps and logs data locally if the radio link is interrupted for later synchronization.

Key specifications

• Protective conductor resistance (Rpe): display 0.00–19.99 Ω (meas. 0.20–19.99 Ω), resolution 0.01 Ω, accuracy ±(2% + 2 digits)
• Open-circuit voltage (Voc): measurement up to 1000 V DC; resolution 0.1 V (≤99.9 V) / 1 V (≥100 V); accuracy ±(0.5% + 2 digits)
• Short-circuit / operational current (Isc): 0.2–20.0 A measuring range, resolution 0.1 A, accuracy ±(1% + 2 digits); for modules >~19% efficiency the analyzer measures operating current
• Insulation resistance (Rins): ranges to 999 MΩ (examples: 0.20–99.99 MΩ resolution 0.01 MΩ accuracy ±(5% + 5 digits))
• I‑V curve tracing: on-screen plotting with manufacturer curve comparison; accurate for modules up to ~19% efficiency (follow guidance for higher-efficiency modules)
• General: size ≈ 10 × 25.0 × 12.5 cm; weight ≈ 1.4 kg; power 6 × AA; operating 0 °C–50 °C; safety ratings IEC 61010 series, CAT III 1000 V DC / CAT III 700 V AC